ID B9RET9_RICCO Unreviewed; 324 AA.
AC B9RET9;
DT 24-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 24-MAR-2009, sequence version 1.
DT 24-JAN-2024, entry version 63.
DE RecName: Full=Cysteine synthase {ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|RuleBase:RU003985};
GN ORFNames=RCOM_1428730 {ECO:0000313|EMBL:EEF49710.1};
OS Ricinus communis (Castor bean).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; fabids; Malpighiales; Euphorbiaceae; Acalyphoideae; Acalypheae;
OC Ricinus.
OX NCBI_TaxID=3988 {ECO:0000313|Proteomes:UP000008311};
RN [1] {ECO:0000313|Proteomes:UP000008311}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Hale {ECO:0000313|Proteomes:UP000008311};
RX PubMed=20729833; DOI=10.1038/nbt.1674;
RA Chan A.P., Crabtree J., Zhao Q., Lorenzi H., Orvis J., Puiu D.,
RA Melake-Berhan A., Jones K.M., Redman J., Chen G., Cahoon E.B., Gedil M.,
RA Stanke M., Haas B.J., Wortman J.R., Fraser-Liggett C.M., Ravel J.,
RA Rabinowicz P.D.;
RT "Draft genome sequence of the oilseed species Ricinus communis.";
RL Nat. Biotechnol. 28:951-956(2010).
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}.
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DR EMBL; EQ973777; EEF49710.1; -; Genomic_DNA.
DR RefSeq; XP_002512258.1; XM_002512212.1.
DR AlphaFoldDB; B9RET9; -.
DR STRING; 3988.B9RET9; -.
DR eggNOG; KOG1252; Eukaryota.
DR InParanoid; B9RET9; -.
DR OrthoDB; 5487987at2759; -.
DR Proteomes; UP000008311; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0004124; F:cysteine synthase activity; IBA:GO_Central.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IBA:GO_Central.
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:SF205; CYSTEINE 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|PIRSR:PIRSR605856-50,
KW ECO:0000256|RuleBase:RU003985};
KW Reference proteome {ECO:0000313|Proteomes:UP000008311};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 13..299
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 80
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 184..188
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 272
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 49
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 324 AA; 34624 MW; 2B3774C5A60F0D7B CRC64;
MEENYCNIKK DFTELIGNTP MVYLNNIVDG CVARIAAKLE MMEPASSVKD RTAYSMIKDA
EDRGLITPGK TILIETTSGN TGIGMAAIAA MKGYKVIILM PASSSFERRM VLRAFGAEVR
LFDPAEGFTV TLEKIDEMLA KTPNGYMLHQ VENPANPKIH YETTGPEIWR DSAGKIDALV
AGVGTGGTVT GTGRFLKEKS SKIKVYGVEP VESAVLNGGN PGPHLIQGIG SGIIHNVLDA
ELLDEVLQVS SEEAIETAKL LALKEGLLVG ISSGAAAAAA IKLAKRAENA GKLIVVIFPS
SGERYLSSPL FDSIRHEVTN MTIN
//
