ID D3PS40_MEIRD Unreviewed; 406 AA.
AC D3PS40;
DT 20-APR-2010, integrated into UniProtKB/TrEMBL.
DT 20-APR-2010, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Tryptophan synthase beta chain {ECO:0000256|HAMAP-Rule:MF_00133};
DE EC=4.2.1.20 {ECO:0000256|HAMAP-Rule:MF_00133};
GN Name=trpB {ECO:0000256|HAMAP-Rule:MF_00133};
GN OrderedLocusNames=Mrub_1511 {ECO:0000313|EMBL:ADD28273.1};
GN ORFNames=K649_15005 {ECO:0000313|EMBL:AGK06287.1};
OS Meiothermus ruber (strain ATCC 35948 / DSM 1279 / VKM B-1258 / 21) (Thermus
OS ruber).
OC Bacteria; Deinococcota; Deinococci; Thermales; Thermaceae; Meiothermus.
OX NCBI_TaxID=504728 {ECO:0000313|EMBL:AGK06287.1, ECO:0000313|Proteomes:UP000013026};
RN [1] {ECO:0000313|EMBL:ADD28273.1, ECO:0000313|Proteomes:UP000006655}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35948 / DSM 1279 / VKM B-1258 / 21
RC {ECO:0000313|Proteomes:UP000006655}, and DSM 1279
RC {ECO:0000313|EMBL:ADD28273.1};
RX PubMed=21304689; DOI=10.4056/sigs.1032748;
RA Tindall B.J., Sikorski J., Lucas S., Goltsman E., Copeland A.,
RA Glavina Del Rio T., Nolan M., Tice H., Cheng J.F., Han C., Pitluck S.,
RA Liolios K., Ivanova N., Mavromatis K., Ovchinnikova G., Pati A.,
RA Fahnrich R., Goodwin L., Chen A., Palaniappan K., Land M., Hauser L.,
RA Chang Y.J., Jeffries C.D., Rohde M., Goker M., Woyke T., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.,
RA Lapidus A.;
RT "Complete genome sequence of Meiothermus ruber type strain (21).";
RL Stand. Genomic Sci. 3:26-36(2010).
RN [2] {ECO:0000313|EMBL:AGK06287.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=DSM 1279 {ECO:0000313|EMBL:AGK06287.1};
RA Klammer A., Drake J., Heiner C., Clum A., Copeland A., Huddleston J.,
RA Eichler E., Turner S.W.;
RT "Non-Hybrid, Finished Microbial Genome Assemblies from Long-Read SMRT
RT Sequencing Data.";
RL Submitted (APR-2013) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:AGK06287.1, ECO:0000313|Proteomes:UP000013026}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35948 / DSM 1279 / VKM B-1258 / 21
RC {ECO:0000313|Proteomes:UP000013026}, and DSM 1279
RC {ECO:0000313|EMBL:AGK06287.1};
RA Chin J., Alexander D.H., Marks P., Korlach J., Clum A., Copeland A.;
RL Submitted (APR-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The beta subunit is responsible for the synthesis of L-
CC tryptophan from indole and L-serine. {ECO:0000256|HAMAP-Rule:MF_00133}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + L-serine = D-
CC glyceraldehyde 3-phosphate + H2O + L-tryptophan;
CC Xref=Rhea:RHEA:10532, ChEBI:CHEBI:15377, ChEBI:CHEBI:33384,
CC ChEBI:CHEBI:57912, ChEBI:CHEBI:58866, ChEBI:CHEBI:59776; EC=4.2.1.20;
CC Evidence={ECO:0000256|ARBA:ARBA00000003, ECO:0000256|HAMAP-
CC Rule:MF_00133};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_00133};
CC -!- PATHWAY: Amino-acid biosynthesis; L-tryptophan biosynthesis; L-
CC tryptophan from chorismate: step 5/5. {ECO:0000256|ARBA:ARBA00004733,
CC ECO:0000256|HAMAP-Rule:MF_00133}.
CC -!- SUBUNIT: Tetramer of two alpha and two beta chains.
CC {ECO:0000256|ARBA:ARBA00011270, ECO:0000256|HAMAP-Rule:MF_00133}.
CC -!- SIMILARITY: Belongs to the TrpB family. {ECO:0000256|ARBA:ARBA00009982,
CC ECO:0000256|HAMAP-Rule:MF_00133}.
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DR EMBL; CP001743; ADD28273.1; -; Genomic_DNA.
DR EMBL; CP005385; AGK06287.1; -; Genomic_DNA.
DR RefSeq; WP_013013775.1; NC_021081.1.
DR AlphaFoldDB; D3PS40; -.
DR STRING; 504728.K649_15005; -.
DR KEGG; mrb:Mrub_1511; -.
DR KEGG; mre:K649_15005; -.
DR PATRIC; fig|504728.9.peg.3080; -.
DR eggNOG; COG0133; Bacteria.
DR OrthoDB; 9766131at2; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000006655; Chromosome.
DR Proteomes; UP000013026; Chromosome.
DR GO; GO:0004834; F:tryptophan synthase activity; IEA:UniProtKB-UniRule.
DR CDD; cd06446; Trp-synth_B; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR HAMAP; MF_00133; Trp_synth_beta; 1.
DR InterPro; IPR006653; Trp_synth_b_CS.
DR InterPro; IPR006654; Trp_synth_beta.
DR InterPro; IPR023026; Trp_synth_beta/beta-like.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR00263; trpB; 1.
DR PANTHER; PTHR48077:SF3; TRYPTOPHAN SYNTHASE; 1.
DR PANTHER; PTHR48077; TRYPTOPHAN SYNTHASE-RELATED; 1.
DR Pfam; PF00291; PALP; 1.
DR PIRSF; PIRSF001413; Trp_syn_beta; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS00168; TRP_SYNTHASE_BETA; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00133};
KW Aromatic amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023141,
KW ECO:0000256|HAMAP-Rule:MF_00133};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00133};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00133};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00133}.
FT DOMAIN 60..386
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 94
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00133"
SQ SEQUENCE 406 AA; 44236 MW; 8EE524F7D438EA84 CRC64;
MQLPSYPLPD PRGRYGEFGG RYVPETLIPA LEELTEAYLH YKQDPEFLAE YAYYLREYVG
RPSPLYFAEN LTRHLGGAKI YLKREDLNHT GAHKINNTLG QALLCKRMGK KRVIAETGAG
QHGVSVATVA ALMGLECVVY QGAEDVRRQA LNVFRMRLLG AEVRPVESGT RTLKDATNEA
IRDWVTNVRD SFYIIGSVVG PHPYPAMARD FQSVVGEEIK AQLLEKEGRE NPDVILACVG
GGSNAIGVFA PFAYQENRPR LIGVEAAGHG KASGLHSLSI GAGRKGVLHG AKMYLLYDDD
GQILPAHSVS AGLDYPGVGP EHSYYAEQGL AEYVGISDEE ALEGFQLLCR LEGIIPALES
AHAIAYAAKL APELEPEQIM VINLSGRGDK DVVEVMRLME ARGGAA
//