ID I3I8I3_9GAMM Unreviewed; 303 AA.
AC I3I8I3;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 24-JAN-2024, entry version 45.
DE RecName: Full=Cysteine synthase {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
GN Name=cysK {ECO:0000313|EMBL:EIK44368.1};
GN ORFNames=O59_002698 {ECO:0000313|EMBL:EIK44368.1};
OS Cellvibrio sp. BR.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC Cellvibrionaceae; Cellvibrio.
OX NCBI_TaxID=1134474 {ECO:0000313|EMBL:EIK44368.1, ECO:0000313|Proteomes:UP000003395};
RN [1] {ECO:0000313|EMBL:EIK44368.1, ECO:0000313|Proteomes:UP000003395}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BR {ECO:0000313|EMBL:EIK44368.1,
RC ECO:0000313|Proteomes:UP000003395};
RA Peng Y.Y., Li N.Z., Xia T., Qiu R.R.;
RL Submitted (MAY-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=hydrogen sulfide + O-acetyl-L-serine = acetate + L-cysteine;
CC Xref=Rhea:RHEA:14829, ChEBI:CHEBI:29919, ChEBI:CHEBI:30089,
CC ChEBI:CHEBI:35235, ChEBI:CHEBI:58340; EC=2.5.1.47;
CC Evidence={ECO:0000256|ARBA:ARBA00000298,
CC ECO:0000256|RuleBase:RU003985};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRSR:PIRSR605856-51, ECO:0000256|RuleBase:RU003985};
CC -!- PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine
CC from L-serine: step 2/2. {ECO:0000256|ARBA:ARBA00004962}.
CC -!- SIMILARITY: Belongs to the cysteine synthase/cystathionine beta-
CC synthase family. {ECO:0000256|ARBA:ARBA00007103,
CC ECO:0000256|RuleBase:RU003985}.
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:EIK44368.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AICM01000006; EIK44368.1; -; Genomic_DNA.
DR RefSeq; WP_007643143.1; NZ_JH668202.1.
DR AlphaFoldDB; I3I8I3; -.
DR STRING; 1134474.O59_002698; -.
DR PATRIC; fig|1134474.3.peg.2532; -.
DR eggNOG; COG0031; Bacteria.
DR HOGENOM; CLU_021018_1_0_6; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000003395; Unassembled WGS sequence.
DR GO; GO:0004124; F:cysteine synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:UniProtKB-UniRule.
DR CDD; cd01561; CBS_like; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR InterPro; IPR005856; Cys_synth.
DR InterPro; IPR005859; CysK.
DR InterPro; IPR001216; P-phosphate_BS.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR01139; cysK; 1.
DR NCBIfam; TIGR01136; cysKM; 1.
DR PANTHER; PTHR10314; CYSTATHIONINE BETA-SYNTHASE; 1.
DR PANTHER; PTHR10314:SF194; CYSTATHIONINE BETA-SYNTHASE; 1.
DR Pfam; PF00291; PALP; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS00901; CYS_SYNTHASE; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|RuleBase:RU003985};
KW Cysteine biosynthesis {ECO:0000256|ARBA:ARBA00023192,
KW ECO:0000256|RuleBase:RU003985};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR605856-51};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 6..288
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 42
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 303 AA; 33003 MW; 0346613EDD7896AA CRC64;
MKFDNILQTI GNTPHVRINH LFRSDIEVWM KVERFNPGSS IKDRIALSMI EDAEAKGIIN
KNTVIIEPTS GNTGIGLALV CAVKGYKLIL TMPESMSVER RKYMKALGAE LVLTPKELGM
GGCIAKANEI LAETPNSWMP QQFNNPANVE IHRTTTAREI LADFPDGLDY MITGVGTGGH
ITGCSEILKQ AYPHFQTFAV EPEKSPVISG GQKGLHRLQG IGAGFIPQVL NKETLDGTIL
VSEEAAFDMT RQCALKEGIF VGISSGATLA AVAQKQAEMK AGSRVLIFSY DTGERYLSIE
DLF
//
