ID M1XND1_NATM8 Unreviewed; 417 AA.
AC M1XND1;
DT 01-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 01-MAY-2013, sequence version 1.
DT 27-MAR-2024, entry version 54.
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=trpB1 {ECO:0000313|EMBL:CCQ35405.1};
GN Synonyms=trpB {ECO:0000256|HAMAP-Rule:MF_00133};
GN OrderedLocusNames=Nmlp_1195 {ECO:0000313|EMBL:CCQ35405.1};
OS Natronomonas moolapensis (strain DSM 18674 / CECT 7526 / JCM 14361 /
OS 8.8.11).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC Haloarculaceae; Natronomonas.
OX NCBI_TaxID=268739 {ECO:0000313|EMBL:CCQ35405.1, ECO:0000313|Proteomes:UP000011867};
RN [1] {ECO:0000313|EMBL:CCQ35405.1, ECO:0000313|Proteomes:UP000011867}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18674 / JCM 14361 / 8.8.11
RC {ECO:0000313|Proteomes:UP000011867};
RX PubMed=23516216; DOI=10.1128/genomeA.00095-13;
RA Dyall-Smith M.L., Pfeiffer F., Oberwinkler T., Klee K., Rampp M., Palm P.,
RA Gross K., Schuster S.C., Oesterhelt D.;
RT "Genome of the haloarchaeon Natronomonas moolapensis, a neutrophilic member
RT of a previously haloalkaliphilic genus.";
RL Genome Announc. 1:e0009513-e0009513(2013).
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 -!- 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; HF582854; CCQ35405.1; -; Genomic_DNA.
DR RefSeq; WP_015408254.1; NC_020388.1.
DR AlphaFoldDB; M1XND1; -.
DR STRING; 268739.Nmlp_1195; -.
DR GeneID; 14653290; -.
DR KEGG; nmo:Nmlp_1195; -.
DR eggNOG; arCOG01433; Archaea.
DR HOGENOM; CLU_016734_3_1_2; -.
DR OrthoDB; 371827at2157; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000011867; 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}; Reference proteome {ECO:0000313|Proteomes:UP000011867};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00133}.
FT DOMAIN 54..367
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 88
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00133"
SQ SEQUENCE 417 AA; 44981 MW; 36C2C3F576E71C82 CRC64;
MSQPDTKFGD YGGQYVPEAL MPAIEELTDA YRRYVLNNED GFMDEFRERL ADFGGRPTPL
QRADQLSARY DTEVYLKRED LLHGGAHKLN NALGQVLLAK YMGKERIIAE TGAGQHGTAT
AMAAAHLDMP CEIYMGRRDI NRQRPNVFRM RLNGAAVTPV DVGRGTLKEA ISETMRDWAT
TVETTHYVIG SIVGPAPFPA MVRDFHAVIS EEIESQTAEK LDRSPGSVVA CAGGGSNTMG
AFAEFLDDDV ELYAVEAGGS SLTVDEEAGV APHSASLSTG EEGVLHGART KLLQDGHGQI
MESHSVSSGL DYAGVGPQLS HLVDEGRVTP VTVDDDDALE AFHRLSQDEG IIPALETAHA
FGFLEAALGP DGDGSVEFAE PIVVNVSGRG DKDLEAAIEE TEKRDLENAP EMEVFDQ
//
