ID A0A080LVN0_9PROT Unreviewed; 399 AA.
AC A0A080LVN0;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 39.
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_2 {ECO:0000313|EMBL:KFB71770.1};
GN Synonyms=trpB {ECO:0000256|HAMAP-Rule:MF_00133};
GN ORFNames=AW09_003087 {ECO:0000313|EMBL:KFB71770.1};
OS Candidatus Accumulibacter phosphatis.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Candidatus Accumulibacter.
OX NCBI_TaxID=327160 {ECO:0000313|EMBL:KFB71770.1, ECO:0000313|Proteomes:UP000020077};
RN [1] {ECO:0000313|EMBL:KFB71770.1, ECO:0000313|Proteomes:UP000020077}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BA-91 {ECO:0000313|Proteomes:UP000020077};
RA Skennerton C.T., Barr J.J., Slater F.R., Bond P.L., Tyson G.W.;
RT "Expanding our view of genomic diversity in Candidatus Accumulibacter
RT clades.";
RL Submitted (FEB-2014) 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}.
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:KFB71770.1}.
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DR EMBL; JDVG02000495; KFB71770.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A080LVN0; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000020077; Unassembled WGS sequence.
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 58..381
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 92
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00133"
SQ SEQUENCE 399 AA; 43132 MW; F6DBB9132486EEE8 CRC64;
MNDYDLPDAR GHFGPYGGVF VAETLIAALD ELKEAYAAAQ RDPQFVAEFN DELKHYVGRP
SPVYHARRWS EALGGAQIYL KREDLNHTGA HKINNCIGQA LLARRMQKPR VIAETGAGQH
GVATATVAAR YGMECVVYMG SEDIRRQAAN VYRMKLLGAV VVPVESGSRT LKDALNEAMR
DWVTNVSDTF YIIGTVAGPH PYPMMVRDFQ SIIGRESIVQ MQEQCGRQPD AVIACVGGGS
NAMGIFYPYI PVAGVRLIGV EAAGEGIATG QHAASLTAGR PGVLHGNRTY LLQDENGQIT
ETHSISAGLD YPGVGPEHAW LKDSGRAEYV SISDAEALQA FHDLCRLEGI IPALESSHAL
AYATRLAPTL AKEQILLVNL SGRGDKDMHT VADQSGITF
//
