ID J2ZK20_9EURY Unreviewed; 408 AA.
AC J2ZK20;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 47.
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 ORFNames=HSB1_01060 {ECO:0000313|EMBL:EJN61065.1};
OS Halogranum salarium B-1.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae.
OX NCBI_TaxID=1210908 {ECO:0000313|EMBL:EJN61065.1, ECO:0000313|Proteomes:UP000007813};
RN [1] {ECO:0000313|EMBL:EJN61065.1, ECO:0000313|Proteomes:UP000007813}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B-1 {ECO:0000313|EMBL:EJN61065.1,
RC ECO:0000313|Proteomes:UP000007813};
RX PubMed=23144405; DOI=10.1128/JB.01815-12;
RA Kim K.K., Lee K.C., Lee J.S.;
RT "Draft Genome Sequence of the Extremely Halophilic Archaeon Halogranum
RT salarium B-1T.";
RL J. Bacteriol. 194:6659-6659(2012).
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}.
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:EJN61065.1}.
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DR EMBL; ALJD01000002; EJN61065.1; -; Genomic_DNA.
DR AlphaFoldDB; J2ZK20; -.
DR PATRIC; fig|1210908.3.peg.101; -.
DR eggNOG; arCOG01433; Archaea.
DR OrthoDB; 371827at2157; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000007813; 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 72..390
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT REGION 1..30
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..22
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOD_RES 106
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00133"
SQ SEQUENCE 408 AA; 44008 MW; 5A466537C5AA71FD CRC64;
MSDHEPSGRS GDAVESSKSD ESGKSGDFGG FGGRYVPEVM EKPLDELTEA FETIVKTPEF
HAEFREILEQ YAGRPTPLYY AANLSEEYGA DIFLKREDLL HGGAHKMNNA VGQALLAKKA
GKERLIAETG AGQHGTATAM VGALFDLDTE IYMGKKDANR QRMNVFRMRL MGAEVNEVTR
GGKGLADAVD AALEDFAHNV EDTHYLVGSA VGPDPFPRMV REFQSVIGEE ARKQIREQTG
SLPDAAVACV GGGSNAIGLF HAFRDDDVAF YGGEGGGEGA DSKRHAAPLA KGRDDVIHGM
RTRVIDDDVE VHSVSAGLDY PGVGPEHAMF RAIGRCEYRG ITDDEALEAF RTLSETEGII
PALESSHGLA LAKQLAEEGE HETIVVNLSG RGDKDMEQAA ELFFLQSE
//