GenomeNet

Database: UniProt
Entry: MLC_ECOLI
LinkDB: MLC_ECOLI
Original site: MLC_ECOLI 
ID   MLC_ECOLI               Reviewed;         406 AA.
AC   P50456; P77593;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 2.
DT   27-MAR-2024, entry version 157.
DE   RecName: Full=DNA-binding transcriptional repressor Mlc {ECO:0000305};
DE   AltName: Full=Making large colonies protein {ECO:0000303|PubMed:7766024};
DE   AltName: Full=Membrane linked control {ECO:0000303|PubMed:11361067};
GN   Name=mlc {ECO:0000303|PubMed:7766024};
GN   Synonyms=dgsA {ECO:0000303|PubMed:9484892};
GN   OrderedLocusNames=b1594, JW1586;
OS   Escherichia coli (strain K12).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=K12;
RX   PubMed=7766024; DOI=10.1271/bbb.59.256;
RA   Hosono K., Kakuda H., Ichihara S.;
RT   "Decreasing accumulation of acetate in a rich medium by Escherichia coli on
RT   introduction of genes on a multicopy plasmid.";
RL   Biosci. Biotechnol. Biochem. 59:256-261(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=9097039; DOI=10.1093/dnares/3.6.363;
RA   Aiba H., Baba T., Fujita K., Hayashi K., Inada T., Isono K., Itoh T.,
RA   Kasai H., Kashimoto K., Kimura S., Kitakawa M., Kitagawa M., Makino K.,
RA   Miki T., Mizobuchi K., Mori H., Mori T., Motomura K., Nakade S.,
RA   Nakamura Y., Nashimoto H., Nishio Y., Oshima T., Saito N., Sampei G.,
RA   Seki Y., Sivasundaram S., Tagami H., Takeda J., Takemoto K., Takeuchi Y.,
RA   Wada C., Yamamoto Y., Horiuchi T.;
RT   "A 570-kb DNA sequence of the Escherichia coli K-12 genome corresponding to
RT   the 28.0-40.1 min region on the linkage map.";
RL   DNA Res. 3:363-377(1996).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MG1655 / ATCC 47076;
RX   PubMed=9278503; DOI=10.1126/science.277.5331.1453;
RA   Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V.,
RA   Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F.,
RA   Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B.,
RA   Shao Y.;
RT   "The complete genome sequence of Escherichia coli K-12.";
RL   Science 277:1453-1462(1997).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=16738553; DOI=10.1038/msb4100049;
RA   Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S.,
RA   Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.;
RT   "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655
RT   and W3110.";
RL   Mol. Syst. Biol. 2:E1-E5(2006).
RN   [5]
RP   FUNCTION.
RX   PubMed=9484892; DOI=10.1046/j.1365-2958.1998.00685.x;
RA   Plumbridge J.;
RT   "Control of the expression of the manXYZ operon in Escherichia coli: Mlc is
RT   a negative regulator of the mannose PTS.";
RL   Mol. Microbiol. 27:369-380(1998).
RN   [6]
RP   FUNCTION, DNA-BINDING, TRANSCRIPTIONAL REGULATION, AND DISRUPTION
RP   PHENOTYPE.
RC   STRAIN=K12 / MC4100 / ATCC 35695 / DSM 6574;
RX   PubMed=9484893; DOI=10.1046/j.1365-2958.1998.00694.x;
RA   Decker K., Plumbridge J., Boos W.;
RT   "Negative transcriptional regulation of a positive regulator: the
RT   expression of malT, encoding the transcriptional activator of the maltose
RT   regulon of Escherichia coli, is negatively controlled by Mlc.";
RL   Mol. Microbiol. 27:381-390(1998).
RN   [7]
RP   FUNCTION, DNA-BINDING, ACTIVITY REGULATION, AND DISRUPTION PHENOTYPE.
RC   STRAIN=K12;
RX   PubMed=9781886; DOI=10.1046/j.1365-2958.1998.01035.x;
RA   Kimata K., Inada T., Tagami H., Aiba H.;
RT   "A global repressor (Mlc) is involved in glucose induction of the ptsG gene
RT   encoding major glucose transporter in Escherichia coli.";
RL   Mol. Microbiol. 29:1509-1519(1998).
RN   [8]
RP   FUNCTION, DNA-BINDING, AND ACTIVITY REGULATION.
RX   PubMed=10464268; DOI=10.1074/jbc.274.36.25398;
RA   Kim S.-Y., Nam T.-W., Shin D., Koo B.-M., Seok Y.-J., Ryu S.;
RT   "Purification of Mlc and analysis of its effects on the PTS expression in
RT   Escherichia coli.";
RL   J. Biol. Chem. 274:25398-25402(1999).
RN   [9]
RP   ACTIVITY REGULATION, INTERACTION WITH DEPHOSPHORYLATED PTSG, AND
RP   SUBCELLULAR LOCATION.
RX   PubMed=11032803; DOI=10.1093/emboj/19.20.5353;
RA   Lee S.J., Boos W., Bouche J.P., Plumbridge J.;
RT   "Signal transduction between a membrane-bound transporter, PtsG, and a
RT   soluble transcription factor, Mlc, of Escherichia coli.";
RL   EMBO J. 19:5353-5361(2000).
RN   [10]
RP   ACTIVITY REGULATION, AND INTERACTION WITH DEPHOSPHORYLATED PTSG.
RX   PubMed=11157755; DOI=10.1093/emboj/20.3.491;
RA   Nam T.W., Cho S.H., Shin D., Kim J.H., Jeong J.Y., Lee J.H., Roe J.H.,
RA   Peterkofsky A., Kang S.O., Ryu S., Seok Y.J.;
RT   "The Escherichia coli glucose transporter enzyme IICB(Glc) recruits the
RT   global repressor Mlc.";
RL   EMBO J. 20:491-498(2001).
RN   [11]
RP   INDUCTION.
RC   STRAIN=K12 / MC4100 / ATCC 35695 / DSM 6574;
RX   PubMed=11340070; DOI=10.1074/jbc.m101757200;
RA   Shin D., Lim S., Seok Y.J., Ryu S.;
RT   "Heat shock RNA polymerase (E sigma(32)) is involved in the transcription
RT   of mlc and crucial for induction of the Mlc regulon by glucose in
RT   Escherichia coli.";
RL   J. Biol. Chem. 276:25871-25875(2001).
RN   [12]
RP   FUNCTION.
RX   PubMed=11361067;
RA   Plumbridge J.;
RT   "Regulation of PTS gene expression by the homologous transcriptional
RT   regulators, Mlc and NagC, in Escherichia coli (or how two similar
RT   repressors can behave differently).";
RL   J. Mol. Microbiol. Biotechnol. 3:371-380(2001).
RN   [13]
RP   FUNCTION, AND REVIEW.
RX   PubMed=11934616; DOI=10.1016/s1369-5274(02)00296-5;
RA   Plumbridge J.;
RT   "Regulation of gene expression in the PTS in Escherichia coli: the role and
RT   interactions of Mlc.";
RL   Curr. Opin. Microbiol. 5:187-193(2002).
RN   [14]
RP   ACTIVITY REGULATION, SUBUNIT, INTERACTION WITH DEPHOSPHORYLATED PTSG,
RP   SUBCELLULAR LOCATION, AND DOMAIN.
RX   PubMed=12529317; DOI=10.1074/jbc.m212066200;
RA   Seitz S., Lee S.J., Pennetier C., Boos W., Plumbridge J.;
RT   "Analysis of the interaction between the global regulator Mlc and EIIBGlc
RT   of the glucose-specific phosphotransferase system in Escherichia coli.";
RL   J. Biol. Chem. 278:10744-10751(2003).
RN   [15]
RP   CRYSTALLIZATION OF MUTANT HIS-52, SUBUNIT, AND MUTAGENESIS OF ARG-52.
RX   PubMed=16510988; DOI=10.1107/s1744309104033640;
RA   Gerber K., Boos W., Welte W., Schiefner A.;
RT   "Crystallization and preliminary X-ray analysis of Mlc from Escherichia
RT   coli.";
RL   Acta Crystallogr. F 61:183-185(2005).
RN   [16]
RP   INTERACTION WITH MTFA, AND ACTIVITY REGULATION.
RC   STRAIN=K12;
RX   PubMed=16855233; DOI=10.1128/jb.00219-06;
RA   Becker A.-K., Zeppenfeld T., Staab A., Seitz S., Boos W., Morita T.,
RA   Aiba H., Mahr K., Titgemeyer F., Jahreis K.;
RT   "YeeI, a novel protein involved in modulation of the activity of the
RT   glucose-phosphotransferase system in Escherichia coli K-12.";
RL   J. Bacteriol. 188:5439-5449(2006).
RN   [17]
RP   INTERACTION WITH MTFA, ACTIVITY REGULATION, AND MUTAGENESIS OF HIS-86.
RC   STRAIN=K12;
RX   PubMed=22178967; DOI=10.1128/jb.06387-11;
RA   Goehler A.K., Staab A., Gabor E., Homann K., Klang E., Kosfeld A.,
RA   Muus J.E., Wulftange J.S., Jahreis K.;
RT   "Characterization of MtfA, a novel regulatory output signal protein of the
RT   glucose-phosphotransferase system in Escherichia coli K-12.";
RL   J. Bacteriol. 194:1024-1035(2012).
RN   [18] {ECO:0007744|PDB:1Z6R}
RP   X-RAY CRYSTALLOGRAPHY (2.7 ANGSTROMS) IN COMPLEX WITH ZN(2+), SUBUNIT,
RP   DOMAIN, AND MUTAGENESIS OF CYS-257 AND CYS-259.
RX   PubMed=15929984; DOI=10.1074/jbc.m504215200;
RA   Schiefner A., Gerber K., Seitz S., Welte W., Diederichs K., Boos W.;
RT   "The crystal structure of Mlc, a global regulator of sugar metabolism in
RT   Escherichia coli.";
RL   J. Biol. Chem. 280:29073-29079(2005).
RN   [19] {ECO:0007744|PDB:3BP8}
RP   X-RAY CRYSTALLOGRAPHY (2.85 ANGSTROMS) IN COMPLEX WITH PTSG EIIB DOMAIN AND
RP   ZN(2+), DNA-BINDING, ACTIVITY REGULATION, INTERACTION WITH PTSG EIIB
RP   DOMAIN, SUBUNIT, SUBCELLULAR LOCATION, DOMAIN, AND MUTAGENESIS OF PHE-136;
RP   ARG-306 AND LEU-310.
RX   PubMed=18319344; DOI=10.1073/pnas.0709295105;
RA   Nam T.W., Jung H.I., An Y.J., Park Y.H., Lee S.H., Seok Y.J., Cha S.S.;
RT   "Analyses of Mlc-IIBGlc interaction and a plausible molecular mechanism of
RT   Mlc inactivation by membrane sequestration.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:3751-3756(2008).
CC   -!- FUNCTION: Global regulator of carbohydrate metabolism (PubMed:9484892,
CC       PubMed:9484893, PubMed:9781886, PubMed:10464268, PubMed:11361067,
CC       PubMed:11934616). Represses the expression of several genes involved in
CC       sugar transport and utilization, in particular phosphoenolpyruvate-
CC       carbohydrate phosphotransferase system (PTS) genes (PubMed:9484892,
CC       PubMed:9484893, PubMed:9781886, PubMed:10464268). Represses expression
CC       of ptsG (EIICB(Glc)), which encodes the PTS system glucose-specific
CC       EIICB component (PubMed:9781886). Also represses the expression of the
CC       manXYZ operon, encoding the mannose-specific PTS system, expression of
CC       malT, encoding the transcriptional activator of the maltose regulon,
CC       and expression of the pts operon, composed of the genes ptsH, ptsI and
CC       crr (PubMed:9484892, PubMed:9484893, PubMed:10464268). Represses its
CC       own expression (PubMed:9484893). Acts by binding to the regulatory
CC       region of the target genes (PubMed:9484893, PubMed:9781886,
CC       PubMed:10464268). {ECO:0000269|PubMed:10464268,
CC       ECO:0000269|PubMed:11361067, ECO:0000269|PubMed:11934616,
CC       ECO:0000269|PubMed:9484892, ECO:0000269|PubMed:9484893,
CC       ECO:0000269|PubMed:9781886}.
CC   -!- ACTIVITY REGULATION: Activity is modulated by glucose (PubMed:9781886,
CC       PubMed:10464268). In the presence of glucose, is inhibited by
CC       interaction with the dephosphorylated form of PtsG, which sequesters
CC       Mlc in the inner membrane and prevents Mlc binding to its target
CC       promoters (PubMed:11032803, PubMed:11157755, PubMed:12529317,
CC       PubMed:18319344). The restriction of conformational freedom resulting
CC       from the anchoring of four ends of Mlc to the membrane could be the
CC       primary cause of its loss of DNA-binding activity in vivo
CC       (PubMed:18319344). Activity is also inhibited by interaction with the
CC       Mlc titration factor A (mtfA) (PubMed:16855233, PubMed:22178967). The
CC       inactivation mechanisms of Mlc by dephosphorylated PtsG and MtfA differ
CC       significantly (PubMed:22178967). {ECO:0000269|PubMed:10464268,
CC       ECO:0000269|PubMed:11032803, ECO:0000269|PubMed:11157755,
CC       ECO:0000269|PubMed:12529317, ECO:0000269|PubMed:16855233,
CC       ECO:0000269|PubMed:18319344, ECO:0000269|PubMed:22178967,
CC       ECO:0000269|PubMed:9781886}.
CC   -!- SUBUNIT: Homodimer (PubMed:15929984). Homotetramer (PubMed:16510988,
CC       PubMed:12529317, PubMed:15929984, PubMed:18319344). There is probably
CC       an equilibrium between the dimeric and the tetrameric form
CC       (PubMed:15929984). Interacts with dephosphorylated PtsG
CC       (PubMed:11032803, PubMed:11157755, PubMed:12529317, PubMed:18319344).
CC       Mlc and PtsG EIIB domain form a complex with the 1:1 stoichiometry
CC       (PubMed:18319344). Interacts with MtfA (PubMed:16855233,
CC       PubMed:22178967). {ECO:0000269|PubMed:11032803,
CC       ECO:0000269|PubMed:11157755, ECO:0000269|PubMed:12529317,
CC       ECO:0000269|PubMed:15929984, ECO:0000269|PubMed:16510988,
CC       ECO:0000269|PubMed:16855233, ECO:0000269|PubMed:18319344,
CC       ECO:0000269|PubMed:22178967}.
CC   -!- INTERACTION:
CC       P50456; P50456: mlc; NbExp=2; IntAct=EBI-1116104, EBI-1116104;
CC       P50456; P76346: mtfA; NbExp=2; IntAct=EBI-1116104, EBI-1126682;
CC       P50456; P69786: ptsG; NbExp=3; IntAct=EBI-1116104, EBI-903497;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}. Note=Interaction with
CC       dephosphorylated PtsG leads to the sequestration of Mlc in the inner
CC       membrane fraction. {ECO:0000269|PubMed:11032803,
CC       ECO:0000269|PubMed:12529317, ECO:0000269|PubMed:18319344}.
CC   -!- INDUCTION: Expression is modulated by the cAMP-CRP complex
CC       (PubMed:11340070). Negatively autoregulated (PubMed:9484893,
CC       PubMed:11340070). cAMP-CRP and Mlc work together to maintain the level
CC       of Mlc optimum in response to availability of glucose
CC       (PubMed:11340070). Weakly repressed by NagC (PubMed:9484893).
CC       Transcription is induced by heat shock via the sigma-32 factor (rpoH)
CC       (PubMed:11340070). {ECO:0000269|PubMed:11340070,
CC       ECO:0000269|PubMed:9484893}.
CC   -!- DOMAIN: Is composed of three domains: a helix-turn-helix (HTH) DNA-
CC       binding domain, a PtsG-binding domain and an oligomerization domain
CC       (PubMed:12529317, PubMed:15929984, PubMed:18319344). The zinc ion
CC       probably plays an important structural role for the correct orientation
CC       of the HTH domain (PubMed:15929984). {ECO:0000269|PubMed:12529317,
CC       ECO:0000269|PubMed:15929984, ECO:0000269|PubMed:18319344}.
CC   -!- DISRUPTION PHENOTYPE: Disruption of the gene leads to a threefold
CC       increase in malT expression (PubMed:9484893). Disruption also causes
CC       the constitutive expression of ptsG (PubMed:9781886).
CC       {ECO:0000269|PubMed:9484893, ECO:0000269|PubMed:9781886}.
CC   -!- SIMILARITY: Belongs to the ROK (NagC/XylR) family. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; D32222; BAA06978.1; -; Genomic_DNA.
DR   EMBL; U00096; AAC74666.1; -; Genomic_DNA.
DR   EMBL; AP009048; BAA15318.1; -; Genomic_DNA.
DR   PIR; D64915; D64915.
DR   RefSeq; NP_416111.1; NC_000913.3.
DR   RefSeq; WP_000225262.1; NZ_SSZK01000001.1.
DR   PDB; 1Z6R; X-ray; 2.70 A; A/B/C/D=1-406.
DR   PDB; 3BP8; X-ray; 2.85 A; A/B=1-406.
DR   PDBsum; 1Z6R; -.
DR   PDBsum; 3BP8; -.
DR   AlphaFoldDB; P50456; -.
DR   SMR; P50456; -.
DR   BioGRID; 4259119; 157.
DR   ComplexPortal; CPX-2242; mlc-EIIB transcriptional regulator complex.
DR   DIP; DIP-10219N; -.
DR   IntAct; P50456; 9.
DR   STRING; 511145.b1594; -.
DR   jPOST; P50456; -.
DR   PaxDb; 511145-b1594; -.
DR   EnsemblBacteria; AAC74666; AAC74666; b1594.
DR   GeneID; 945510; -.
DR   KEGG; ecj:JW1586; -.
DR   KEGG; eco:b1594; -.
DR   PATRIC; fig|1411691.4.peg.668; -.
DR   EchoBASE; EB2950; -.
DR   eggNOG; COG1940; Bacteria.
DR   HOGENOM; CLU_036604_13_1_6; -.
DR   InParanoid; P50456; -.
DR   OMA; FFIRHQQ; -.
DR   OrthoDB; 3189808at2; -.
DR   PhylomeDB; P50456; -.
DR   BioCyc; EcoCyc:PD01896; -.
DR   EvolutionaryTrace; P50456; -.
DR   PRO; PR:P50456; -.
DR   Proteomes; UP000000318; Chromosome.
DR   Proteomes; UP000000625; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; TAS:EcoCyc.
DR   GO; GO:0016020; C:membrane; NAS:ComplexPortal.
DR   GO; GO:0003677; F:DNA binding; IDA:EcoCyc.
DR   GO; GO:0042802; F:identical protein binding; IPI:IntAct.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0006351; P:DNA-templated transcription; IDA:EcoCyc.
DR   GO; GO:0006355; P:regulation of DNA-templated transcription; IDA:ComplexPortal.
DR   CDD; cd00012; NBD_sugar-kinase_HSP70_actin; 1.
DR   Gene3D; 3.30.420.40; -; 2.
DR   Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1.
DR   InterPro; IPR043129; ATPase_NBD.
DR   InterPro; IPR000600; ROK.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   PANTHER; PTHR18964:SF176; PROTEIN MLC; 1.
DR   PANTHER; PTHR18964; ROK (REPRESSOR, ORF, KINASE) FAMILY; 1.
DR   Pfam; PF00480; ROK; 1.
DR   SUPFAM; SSF53067; Actin-like ATPase domain; 1.
DR   SUPFAM; SSF46785; Winged helix' DNA-binding domain; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Carbohydrate metabolism; Cytoplasm; DNA-binding;
KW   Metal-binding; Reference proteome; Transcription; Transcription regulation;
KW   Zinc.
FT   CHAIN           1..406
FT                   /note="DNA-binding transcriptional repressor Mlc"
FT                   /id="PRO_0000095690"
FT   DNA_BIND        33..42
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000250"
FT   BINDING         247
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15929984,
FT                   ECO:0000269|PubMed:18319344, ECO:0007744|PDB:1Z6R,
FT                   ECO:0007744|PDB:3BP8"
FT   BINDING         257
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15929984,
FT                   ECO:0000269|PubMed:18319344, ECO:0007744|PDB:1Z6R,
FT                   ECO:0007744|PDB:3BP8"
FT   BINDING         259
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15929984,
FT                   ECO:0000269|PubMed:18319344, ECO:0007744|PDB:1Z6R,
FT                   ECO:0007744|PDB:3BP8"
FT   BINDING         264
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15929984,
FT                   ECO:0000269|PubMed:18319344, ECO:0007744|PDB:1Z6R,
FT                   ECO:0007744|PDB:3BP8"
FT   MUTAGEN         52
FT                   /note="R->H: Shows increased expression and forms larger
FT                   colonies."
FT                   /evidence="ECO:0000269|PubMed:16510988"
FT   MUTAGEN         86
FT                   /note="H->R: Can be bound and inactivated by MtfA."
FT                   /evidence="ECO:0000269|PubMed:22178967"
FT   MUTAGEN         136
FT                   /note="F->A: Decreases association with PtsG EIIB domain."
FT                   /evidence="ECO:0000269|PubMed:18319344"
FT   MUTAGEN         257
FT                   /note="C->A: Strongly reduced activity; when associated
FT                   with A-259."
FT                   /evidence="ECO:0000269|PubMed:15929984"
FT   MUTAGEN         257
FT                   /note="C->S: Strongly reduced activity; when associated
FT                   with S-259."
FT                   /evidence="ECO:0000269|PubMed:15929984"
FT   MUTAGEN         259
FT                   /note="C->A: Strongly reduced activity; when associated
FT                   with A-257."
FT                   /evidence="ECO:0000269|PubMed:15929984"
FT   MUTAGEN         259
FT                   /note="C->S: Strongly reduced activity; when associated
FT                   with S-257."
FT                   /evidence="ECO:0000269|PubMed:15929984"
FT   MUTAGEN         306
FT                   /note="R->G: Forms dimers but not tetramers; when
FT                   associated with G-310."
FT                   /evidence="ECO:0000269|PubMed:18319344"
FT   MUTAGEN         310
FT                   /note="L->G: Forms dimers but not tetramers; when
FT                   associated with G-306."
FT                   /evidence="ECO:0000269|PubMed:18319344"
FT   CONFLICT        179
FT                   /note="G -> A (in Ref. 1; BAA06978)"
FT                   /evidence="ECO:0000305"
FT   HELIX           13..26
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           33..39
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           44..56
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          59..62
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          78..80
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          86..93
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          96..103
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          108..115
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           124..138
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           140..142
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          146..158
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   TURN            159..162
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          163..166
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          174..176
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           178..186
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          190..194
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           195..206
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   TURN            208..211
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          213..230
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   TURN            235..238
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           245..247
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          248..250
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          262..264
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           266..269
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           271..282
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           289..291
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           297..305
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           309..333
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          336..342
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           343..347
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           348..362
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           365..368
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   STRAND          372..375
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   TURN            382..385
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           386..393
FT                   /evidence="ECO:0007829|PDB:1Z6R"
FT   HELIX           398..403
FT                   /evidence="ECO:0007829|PDB:1Z6R"
SQ   SEQUENCE   406 AA;  44316 MW;  423608797FC980CB CRC64;
     MVAENQPGHI DQIKQTNAGA VYRLIDQLGP VSRIDLSRLA QLAPASITKI VREMLEAHLV
     QELEIKEAGN RGRPAVGLVV ETEAWHYLSL RISRGEIFLA LRDLSSKLVV EESQELALKD
     DLPLLDRIIS HIDQFFIRHQ KKLERLTSIA ITLPGIIDTE NGIVHRMPFY EDVKEMPLGE
     ALEQHTGVPV YIQHDISAWT MAEALFGASR GARDVIQVVI DHNVGAGVIT DGHLLHAGSS
     SLVEIGHTQV DPYGKRCYCG NHGCLETIAS VDSILELAQL RLNQSMSSML HGQPLTVDSL
     CQAALRGDLL AKDIITGVGA HVGRILAIMV NLFNPQKILI GSPLSKAADI LFPVISDSIR
     QQALPAYSQH ISVESTQFSN QGTMAGAALV KDAMYNGSLL IRLLQG
//
DBGET integrated database retrieval system