ID R5FNH9_9ACTN Unreviewed; 723 AA.
AC R5FNH9;
DT 24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 1.
DT 24-JAN-2024, entry version 34.
DE RecName: Full=Multifunctional fusion protein {ECO:0000256|HAMAP-Rule:MF_02213, ECO:0000256|HAMAP-Rule:MF_02214};
DE Includes:
DE RecName: Full=Lipid II isoglutaminyl synthase (glutamine-hydrolyzing) subunit GatD {ECO:0000256|HAMAP-Rule:MF_02213};
DE EC=6.3.5.13 {ECO:0000256|HAMAP-Rule:MF_02213};
DE AltName: Full=Lipid II isoglutaminyl synthase glutaminase subunit {ECO:0000256|HAMAP-Rule:MF_02213};
DE EC=3.5.1.2 {ECO:0000256|HAMAP-Rule:MF_02213};
DE Includes:
DE RecName: Full=Lipid II isoglutaminyl synthase (glutamine-hydrolyzing) subunit MurT {ECO:0000256|HAMAP-Rule:MF_02214};
GN Name=murT {ECO:0000256|HAMAP-Rule:MF_02214};
GN Synonyms=gatD {ECO:0000256|HAMAP-Rule:MF_02213};
GN ORFNames=BN494_00859 {ECO:0000313|EMBL:CCY06423.1};
OS Eggerthella sp. CAG:1427.
OC Bacteria; Actinomycetota; Coriobacteriia; Eggerthellales; Eggerthellaceae;
OC Eggerthella.
OX NCBI_TaxID=1262874 {ECO:0000313|EMBL:CCY06423.1, ECO:0000313|Proteomes:UP000018393};
RN [1] {ECO:0000313|EMBL:CCY06423.1, ECO:0000313|Proteomes:UP000018393}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MGS:1427 {ECO:0000313|Proteomes:UP000018393};
RA Nielsen H.B., Almeida M., Juncker A.S., Rasmussen S., Li J., Sunagawa S.,
RA Plichta D., Gautier L., Le Chatelier E., Peletier E., Bonde I., Nielsen T.,
RA Manichanh C., Arumugam M., Batto J., Santos M.B.Q.D., Blom N., Borruel N.,
RA Burgdorf K.S., Boumezbeur F., Casellas F., Dore J., Guarner F., Hansen T.,
RA Hildebrand F., Kaas R.S., Kennedy S., Kristiansen K., Kultima J.R.,
RA Leonard P., Levenez F., Lund O., Moumen B., Le Paslier D., Pons N.,
RA Pedersen O., Prifti E., Qin J., Raes J., Tap J., Tims S., Ussery D.W.,
RA Yamada T., MetaHit consortium, Renault P., Sicheritz-Ponten T., Bork P.,
RA Wang J., Brunak S., Ehrlich S.D.;
RT "Dependencies among metagenomic species, viruses, plasmids and units of
RT genetic variation.";
RL Submitted (NOV-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The lipid II isoglutaminyl synthase complex catalyzes the
CC formation of alpha-D-isoglutamine in the cell wall lipid II stem
CC peptide. The GatD subunit catalyzes the hydrolysis of glutamine to
CC glutamate and ammonia. The resulting ammonia molecule is channeled to
CC the active site of MurT. {ECO:0000256|HAMAP-Rule:MF_02213}.
CC -!- FUNCTION: The lipid II isoglutaminyl synthase complex catalyzes the
CC formation of alpha-D-isoglutamine in the cell wall lipid II stem
CC peptide. The MurT subunit catalyzes the ATP-dependent amidation of D-
CC glutamate residue of lipid II, converting it to an isoglutamine
CC residue. {ECO:0000256|HAMAP-Rule:MF_02214}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + beta-D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-
CC D-Ala-D-Ala)-di-trans,octa-cis-undecaprenyl diphosphate + H2O + L-
CC glutamine = ADP + beta-D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-D-
CC isoglutaminyl-L-Lys-D-Ala-D-Ala)-di-trans,octa-cis-undecaprenyl
CC diphosphate + H(+) + L-glutamate + phosphate; Xref=Rhea:RHEA:57928,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58359,
CC ChEBI:CHEBI:60033, ChEBI:CHEBI:62233, ChEBI:CHEBI:456216;
CC EC=6.3.5.13; Evidence={ECO:0000256|HAMAP-Rule:MF_02213};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + beta-D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-
CC D-Ala-D-Ala)-di-trans,octa-cis-undecaprenyl diphosphate = ADP + beta-
CC D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-O-P-Glu-L-Lys-D-Ala-D-Ala)-
CC di-trans,octa-cis-undecaprenyl diphosphate; Xref=Rhea:RHEA:59488,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:60033, ChEBI:CHEBI:143132,
CC ChEBI:CHEBI:456216; Evidence={ECO:0000256|HAMAP-Rule:MF_02214};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; EC=3.5.1.2;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02213};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-O-P-Glu-L-Lys-D-
CC Ala-D-Ala)-di-trans,octa-cis-undecaprenyl diphosphate + NH4(+) =
CC beta-D-GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-D-isoglutaminyl-L-Lys-D-Ala-D-
CC Ala)-di-trans,octa-cis-undecaprenyl diphosphate + H(+) + phosphate;
CC Xref=Rhea:RHEA:57932, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:62233, ChEBI:CHEBI:143132;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02214};
CC -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_02213}.
CC -!- SUBUNIT: Forms a heterodimer with GatD. {ECO:0000256|HAMAP-
CC Rule:MF_02214}.
CC -!- SUBUNIT: Forms a heterodimer with MurT. {ECO:0000256|HAMAP-
CC Rule:MF_02213}.
CC -!- SIMILARITY: Belongs to the CobB/CobQ family. GatD subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_02213}.
CC -!- SIMILARITY: Belongs to the MurCDEF family. MurT subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_02214}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:CCY06423.1}.
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DR EMBL; CAXM010000129; CCY06423.1; -; Genomic_DNA.
DR AlphaFoldDB; R5FNH9; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000018393; Unassembled WGS sequence.
DR GO; GO:0016881; F:acid-amino acid ligase activity; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0140282; F:carbon-nitrogen ligase activity on lipid II; IEA:UniProtKB-UniRule.
DR GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:InterPro.
DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR CDD; cd01750; GATase1_CobQ; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.40.1190.10; Mur-like, catalytic domain; 1.
DR HAMAP; MF_02213; Lipid_II_synth_GatD; 1.
DR HAMAP; MF_02214; Lipid_II_synth_MurT; 1.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR033949; CobQ_GATase1.
DR InterPro; IPR011698; GATase_3.
DR InterPro; IPR043702; Lipid_II_synth_GatD.
DR InterPro; IPR043703; Lipid_II_synth_MurT.
DR InterPro; IPR036565; Mur-like_cat_sf.
DR InterPro; IPR013221; Mur_ligase_cen.
DR InterPro; IPR013564; MurT_C.
DR PANTHER; PTHR23135:SF7; LIPID II ISOGLUTAMINYL SYNTHASE (GLUTAMINE-HYDROLYZING) SUBUNIT MURT; 1.
DR PANTHER; PTHR23135; MUR LIGASE FAMILY MEMBER; 1.
DR Pfam; PF07685; GATase_3; 1.
DR Pfam; PF08245; Mur_ligase_M; 1.
DR Pfam; PF08353; MurT_C; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR SUPFAM; SSF53623; MurD-like peptide ligases, catalytic domain; 1.
DR PROSITE; PS51274; GATASE_COBBQ; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_02214};
KW Cell shape {ECO:0000256|HAMAP-Rule:MF_02213};
KW Cell wall biogenesis/degradation {ECO:0000256|HAMAP-Rule:MF_02213};
KW Glutamine amidotransferase {ECO:0000256|HAMAP-Rule:MF_02213,
KW ECO:0000256|PROSITE-ProRule:PRU00606};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_02213};
KW Ligase {ECO:0000256|HAMAP-Rule:MF_02213};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_02214};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_02214};
KW Peptidoglycan synthesis {ECO:0000256|HAMAP-Rule:MF_02213};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_02214}.
FT DOMAIN 57..201
FT /note="Mur ligase central"
FT /evidence="ECO:0000259|Pfam:PF08245"
FT DOMAIN 323..431
FT /note="Lipid II isoglutaminyl synthase (glutamine-
FT hydrolyzing) subunit MurT C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08353"
FT DOMAIN 479..677
FT /note="CobB/CobQ-like glutamine amidotransferase"
FT /evidence="ECO:0000259|Pfam:PF07685"
FT ACT_SITE 359
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02214"
FT ACT_SITE 568
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02213"
FT ACT_SITE 670
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02213"
FT BINDING 205
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02214"
FT BINDING 208
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02214"
FT BINDING 227
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02214"
FT BINDING 230
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02214"
FT BINDING 604
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02213"
SQ SEQUENCE 723 AA; 78964 MW; 9589A399F034032E CRC64;
MSIRKLLARS ASSVSTWGLR HVAKRPAANM PGKIALKLDP QIIAESMGKI TEGSIVVVGT
NGKTTITNMI ADALERQGKT VACNRTGANL AYGVATTLLQ SKGAQWGVFE SDELWLAHTL
PQVQASYVLL LNLFRDQLDR CGEIDRVQDA IVQALTESPD TVLLYNADDP LCAMVALRVP
NEAIAFGVGE DLHQQQNVVS DAQMCQRCSA MFTYEYRQYG QLGTYSCPNC GFKRPELDFA
AKHAVFGNDI TFDVEERATG SSVSLHAQRA GVYMIYNVMA AWLASHCAGV SDEVFQQAVD
LFDPQNGRLQ SLTIQGRPVL LNLAKNPTGF NQNMKLITQA EGKKVAAFFI NDNEADGHDI
SWIWDCDFEE LAEQEDVIVY AGGIRKNDLQ LRLRYAGIEA RTINNVDEMV DEALAMPADW
KMYAIANYTS LPAVRDSLMS RADKTEVDQV VQGTNEPERK KHAVVQQEGV EVLANNPLRI
VHLFPDLLNL YGDGGNVRVL AQRCAWRGIP VEVQAVHYGE EANLDQADIV VLGGGPDREQ
KLASEVLFAM KEDLRSYIEN DGALLAICGG YQILGHRWLM GDEEVEGLSI IDTETLRAGT
GFDRLIDNIV LSSSLAKLPV VGYENHAGRT KLGVGVEPFG KVVSQVGHGN DDTSGADGVL
YRNCIGTYLH GPLLGKNPEI ADHLIAVALQ RKLGLDAPME LASLDDSVEK AANAYMAQRL
GVS
//