ID G2FPX1_9FIRM Unreviewed; 307 AA.
AC G2FPX1;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 24-JAN-2024, entry version 43.
DE RecName: Full=Cysteine synthase {ECO:0000256|ARBA:ARBA00019371, ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
GN Name=cysK {ECO:0000313|EMBL:EGW40405.1};
GN ORFNames=DOT_1745 {ECO:0000313|EMBL:EGW40405.1};
OS Desulfosporosinus sp. OT.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Desulfitobacteriaceae;
OC Desulfosporosinus.
OX NCBI_TaxID=913865 {ECO:0000313|EMBL:EGW40405.1, ECO:0000313|Proteomes:UP000004928};
RN [1] {ECO:0000313|EMBL:EGW40405.1, ECO:0000313|Proteomes:UP000004928}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OT {ECO:0000313|EMBL:EGW40405.1,
RC ECO:0000313|Proteomes:UP000004928};
RX PubMed=21994931; DOI=10.1128/JB.06018-11;
RA Abicht H.K., Mancini S., Karnachuk O.V., Solioz M.;
RT "Genome Sequence of Desulfosporosinus sp. OT, an Acidophilic Sulfate-
RT Reducing Bacterium from Copper Mining Waste in Norilsk, Northern Siberia.";
RL J. Bacteriol. 193:6104-6105(2011).
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:PIRSR605856-50, 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:EGW40405.1}.
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DR EMBL; AGAF01000080; EGW40405.1; -; Genomic_DNA.
DR RefSeq; WP_009616471.1; NZ_AGAF01000080.1.
DR AlphaFoldDB; G2FPX1; -.
DR PATRIC; fig|913865.3.peg.1605; -.
DR eggNOG; COG0031; Bacteria.
DR OrthoDB; 9808024at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000004928; 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:PIRSR605856-50};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 8..292
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 74
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 177..181
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 265
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 44
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 307 AA; 32254 MW; 341B023EC5E14B77 CRC64;
MKVVDSIADL IGQTPLIRLQ RVVKPGMANV YVKAEAFNPG GSIKDRIALG MIRDAEERGV
LKPGGTIVEP TSGNTGIGLA MIAAARGYRL IVVLPDTMSV ERRMLMVAYG AEFVLTPGAA
GMNGAIEEAK RLLRENPDYF MPQQFENPAN PEAHRRSTVL ELLDQLSGID AFVAGIGTGG
TITGVGEILK ARLPEVKIIG VEPASSPVIS GGKPGPHKIQ GIGAGFVPAV LNQTVMDQLI
QVSNEDAFDT TRRLAREEGL LVGISSGAAV SAALQVAATL GEGKNVVVIA PDTGERYLST
ELFTSQS
//
