ID A0A2C7A7I6_9PROT Unreviewed; 304 AA.
AC A0A2C7A7I6;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 19.
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:PHK93949.1};
GN ORFNames=CR162_16130 {ECO:0000313|EMBL:PHK93949.1};
OS Pseudoroseomonas rhizosphaerae.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Acetobacteraceae; Pseudoroseomonas.
OX NCBI_TaxID=1335062 {ECO:0000313|EMBL:PHK93949.1, ECO:0000313|Proteomes:UP000223527};
RN [1] {ECO:0000313|EMBL:PHK93949.1, ECO:0000313|Proteomes:UP000223527}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YW11 {ECO:0000313|EMBL:PHK93949.1,
RC ECO:0000313|Proteomes:UP000223527};
RA Banno H., Chua N.-H.;
RL Submitted (OCT-2017) 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.
CC {ECO:0000256|ARBA:ARBA00004895}.
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:PHK93949.1}.
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DR EMBL; PDNU01000034; PHK93949.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2C7A7I6; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000223527; 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 Reference proteome {ECO:0000313|Proteomes:UP000223527};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 7..285
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 41
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 304 AA; 31905 MW; 6118398EA84DFF3D CRC64;
MKAASVLETI GRTPHIRLGR LFPEAEVWVK SERSNPGGSV KDRIALSMVE AAEADGRLAP
GGTIIEPTSG NTGIGLAMVA AVKGYRLVLV MPESMSVERR RLMQAYGAEF VLTPREQGMK
GAIARAEALL AETPGGWIPQ QFENPANVEV HVRTTAQEIL ADFPEGLDVL ITGVGTGGHL
TGCARVLKAA WPQLKVFAVE PAQSPVISGG APAPHPIQGI GAGFVPANLD TAVLDGVIQV
EAEAAREQAR RSARLEGLLV GISSGATLAA IAAKLPELPR GARVLGFNYD TGERYLSVPD
FLPA
//
