ID I0Z4X2_COCSC Unreviewed; 362 AA.
AC I0Z4X2;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 51.
DE RecName: Full=Cysteine synthase {ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|RuleBase:RU003985};
GN ORFNames=COCSUDRAFT_35350 {ECO:0000313|EMBL:EIE25691.1};
OS Coccomyxa subellipsoidea (strain C-169) (Green microalga).
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Trebouxiophyceae;
OC Trebouxiophyceae incertae sedis; Elliptochloris clade; Coccomyxa;
OC Coccomyxa subellipsoidea.
OX NCBI_TaxID=574566 {ECO:0000313|EMBL:EIE25691.1, ECO:0000313|Proteomes:UP000007264};
RN [1] {ECO:0000313|EMBL:EIE25691.1, ECO:0000313|Proteomes:UP000007264}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=C-169 {ECO:0000313|EMBL:EIE25691.1,
RC ECO:0000313|Proteomes:UP000007264};
RX PubMed=22630137; DOI=10.1186/gb-2012-13-5-r39;
RA Blanc G., Agarkova I., Grimwood J., Kuo A., Brueggeman A., Dunigan D.,
RA Gurnon J., Ladunga I., Lindquist E., Lucas S., Pangilinan J., Proschold T.,
RA Salamov A., Schmutz J., Weeks D., Yamada T., Claverie J.M., Grigoriev I.,
RA Van Etten J., Lomsadze A., Borodovsky M.;
RT "The genome of the polar eukaryotic microalga coccomyxa subellipsoidea
RT reveals traits of cold adaptation.";
RL Genome Biol. 13:R39-R39(2012).
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|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 -!- 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:EIE25691.1}.
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DR EMBL; AGSI01000003; EIE25691.1; -; Genomic_DNA.
DR RefSeq; XP_005650235.1; XM_005650178.1.
DR AlphaFoldDB; I0Z4X2; -.
DR STRING; 574566.I0Z4X2; -.
DR GeneID; 17043695; -.
DR KEGG; csl:COCSUDRAFT_35350; -.
DR eggNOG; KOG1252; Eukaryota.
DR OrthoDB; 5487987at2759; -.
DR Proteomes; UP000007264; 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:SF241; CYSTEINE SYNTHASE, MITOCHONDRIAL; 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|PIRSR:PIRSR605856-50,
KW ECO:0000256|RuleBase:RU003985};
KW Reference proteome {ECO:0000313|Proteomes:UP000007264};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 51..338
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 119
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 223..227
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 311
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 88
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 362 AA; 38198 MW; 68588431104A2FB8 CRC64;
MQGTMMNAKT SSAVRVPVCL DTPKVTPRIF RSVTAAQKVA APPQLNIAKD VSELIGNTPM
VYLNKVTDGV NAKIAAKLEI MEPCSSVKDR IGLSMIRSAE EEGKIQAGKT TLVEPTSGNT
GIGLAFMAAA RGYKLVLTMP ASMSLERRIL LRAFGAELIL TDPAKGMKGA VQKAEEIAAA
TPDSFILQQF ENPNNPKIHY ETTGPEIWDA TEGKVDVLVA GVGTGGTITG AGRYLREKNP
NIKIVAVEPA ESPVISGGSP GAHKIQGIGA GFIPGNLDTG IISEVIQVSS DDSIAMARRL
ALEEGLLVGI SSGAATVAAI REGQKPENAG KLIVTVLPSF GERYLSSVLF QNIREEAERM
TF
//
