ID I3CEB1_9GAMM Unreviewed; 620 AA.
AC I3CEB1;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 24-JAN-2024, entry version 71.
DE RecName: Full=Multifunctional fusion protein {ECO:0000256|HAMAP-Rule:MF_00133, ECO:0000256|HAMAP-Rule:MF_00135};
DE Includes:
DE RecName: Full=N-(5'-phosphoribosyl)anthranilate isomerase {ECO:0000256|HAMAP-Rule:MF_00135};
DE Short=PRAI {ECO:0000256|HAMAP-Rule:MF_00135};
DE EC=5.3.1.24 {ECO:0000256|HAMAP-Rule:MF_00135};
DE Includes:
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=trpF {ECO:0000256|HAMAP-Rule:MF_00135};
GN Synonyms=trpB {ECO:0000256|HAMAP-Rule:MF_00133};
GN ORFNames=BegalDRAFT_1051 {ECO:0000313|EMBL:EIJ41954.1};
OS Beggiatoa alba B18LD.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Beggiatoa.
OX NCBI_TaxID=395493 {ECO:0000313|EMBL:EIJ41954.1, ECO:0000313|Proteomes:UP000005744};
RN [1] {ECO:0000313|EMBL:EIJ41954.1, ECO:0000313|Proteomes:UP000005744}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B18LD {ECO:0000313|EMBL:EIJ41954.1,
RC ECO:0000313|Proteomes:UP000005744};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Held B., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Pagani I., Samuel K., Teske A.,
RA Mueller J., Woyke T.;
RT "Improved High-Quality Draft sequence of Beggiatoa alba B18lD.";
RL Submitted (NOV-2011) 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|ARBA:ARBA00002786,
CC 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 -!- CATALYTIC ACTIVITY:
CC Reaction=N-(5-phospho-beta-D-ribosyl)anthranilate = 1-(2-
CC carboxyphenylamino)-1-deoxy-D-ribulose 5-phosphate;
CC Xref=Rhea:RHEA:21540, ChEBI:CHEBI:18277, ChEBI:CHEBI:58613;
CC EC=5.3.1.24; Evidence={ECO:0000256|HAMAP-Rule:MF_00135};
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 3/5. {ECO:0000256|ARBA:ARBA00004664,
CC ECO:0000256|HAMAP-Rule:MF_00135}.
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 -!- SIMILARITY: Belongs to the TrpF family. {ECO:0000256|HAMAP-
CC Rule:MF_00135}.
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DR EMBL; JH600070; EIJ41954.1; -; Genomic_DNA.
DR AlphaFoldDB; I3CEB1; -.
DR STRING; 395493.BegalDRAFT_1051; -.
DR eggNOG; COG0133; Bacteria.
DR HOGENOM; CLU_016734_3_4_6; -.
DR OrthoDB; 9766131at2; -.
DR UniPathway; UPA00035; UER00042.
DR Proteomes; UP000005744; Unassembled WGS sequence.
DR GO; GO:0004640; F:phosphoribosylanthranilate isomerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004834; F:tryptophan synthase activity; IEA:UniProtKB-UniRule.
DR CDD; cd00405; PRAI; 1.
DR CDD; cd06446; Trp-synth_B; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00135; PRAI; 1.
DR HAMAP; MF_00133; Trp_synth_beta; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR001240; PRAI_dom.
DR InterPro; IPR011060; RibuloseP-bd_barrel.
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 Pfam; PF00697; PRAI; 1.
DR SUPFAM; SSF51366; Ribulose-phoshate binding barrel; 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_00135};
KW Aromatic amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023141,
KW ECO:0000256|HAMAP-Rule:MF_00135};
KW Isomerase {ECO:0000256|HAMAP-Rule:MF_00135};
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}; Reference proteome {ECO:0000313|Proteomes:UP000005744};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00135}.
FT DOMAIN 12..206
FT /note="N-(5'phosphoribosyl) anthranilate isomerase (PRAI)"
FT /evidence="ECO:0000259|Pfam:PF00697"
FT DOMAIN 279..603
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 313
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00133"
SQ SEQUENCE 620 AA; 67579 MW; 56A5324DC8F2A9A2 CRC64;
MNTVSSPTRV RVKICGITRP QDALDAARFG ADAIGLVFYP KSPRHVTIQQ AKEIVQTLPA
FVTVVGLFVD AEPAWVQSVL QAVPLDVLQF HGEESPADCE QYHKPYIKAV RMKTDTDLNL
LAKQYQKAQA LLLDTYVEGV QGGTGLTFDW RRIPYHLSKP VILAGGLTVS NIHQALTVFR
PYAVDVSGGV ESSKGIKSAE KIAAFIRGVS MSMATVSALE NVESTLLPDA QGHFGKYGGR
FVAETLMQPL EELRLAYEKY MRDPEFLAEL NSDLQHYVGR PSPLYHARRW SERLGGAQIY
LKREDLNHTG AHKINSALGQ AILAKRMGKT RVIAETGAGQ HGVATATVAA RMGMECVVYM
GEEDIKRQTV NVYRMRLLGA EVRAVSSGSK TLKDALNEAM RDWVTNIDNT FYIIGTVAGP
HPYPMMVRDF QTVIGREARQ QIKIQAGRLP DVICACVGGG SNAMGLFYPF IHDKSVKIYG
VEAGGDGVET GRHSASLTAG KTGVLHGNRT YLMSDENGLV IETHSVSAGL DYPGVGPEHA
WLKDTGRAQY VTITDAEAIA AFHDLTRTEG IIPALESSHA LAYCTKLAPT MDKDQIILVN
LSGRGDKDIN TIATLEGIKI
//
