ID F7V6Z0_CLOSS Unreviewed; 310 AA.
AC F7V6Z0;
DT 21-SEP-2011, integrated into UniProtKB/TrEMBL.
DT 21-SEP-2011, sequence version 1.
DT 27-MAR-2024, entry version 65.
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 OrderedLocusNames=CXIVA_00450 {ECO:0000313|EMBL:BAK46012.1};
OS Clostridium sp. (strain SY8519).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=1042156 {ECO:0000313|EMBL:BAK46012.1, ECO:0000313|Proteomes:UP000008937};
RN [1] {ECO:0000313|Proteomes:UP000008937}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SY8519 {ECO:0000313|Proteomes:UP000008937};
RX PubMed=21914882; DOI=10.1128/JB.05637-11;
RA Yokoyama S., Oshima K., Nomura I., Hattori M., Suzuki T.;
RT "Complete genomic sequence of the O-desmethylangolensin-producing bacterium
RT Clostridium rRNA cluster XIVa strain SY8519, isolated from adult human
RT intestine.";
RL J. Bacteriol. 193:5568-5569(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}.
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DR EMBL; AP012212; BAK46012.1; -; Genomic_DNA.
DR RefSeq; WP_013975996.1; NC_015737.1.
DR AlphaFoldDB; F7V6Z0; -.
DR STRING; 1042156.CXIVA_00450; -.
DR KEGG; cls:CXIVA_00450; -.
DR eggNOG; COG0031; Bacteria.
DR HOGENOM; CLU_021018_1_0_9; -.
DR OrthoDB; 9808024at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000008937; Chromosome.
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 Reference proteome {ECO:0000313|Proteomes:UP000008937};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 8..296
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 76
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 180..184
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 268
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 46
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 310 AA; 32627 MW; BD4B5E3680254C12 CRC64;
MAIYKSILDL VGKTPLVELA NYSKANHLEA TVLGKLEYFN PAGSVKDRIA KSMIEEAEKN
GQLKEGSVII EPTSGNTGIG LSSVAAAKGY RIIIVMPETM SIERRNLMKA YGAELVLTEG
SKGMKGAIAK ANELAAEIEG SFIPGQFTNQ VNPATHKATT GPEIWEDTEG KVDIFVAGVG
TGGTVTGVGQ YLKSKNPNVK IVAVEPASSP VLSTGKGGSH KIQGIGAGFV PETLDTSVYD
EIITVENDAA FEVGREVARE EGFLVGISSG AAVWAAAELA KRPENKGKTI VALLPDTGDR
YLSTELFADK
//
