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Database: UniProt
Entry: R7FP42_9FIRM
LinkDB: R7FP42_9FIRM
Original site: R7FP42_9FIRM 
ID   R7FP42_9FIRM            Unreviewed;       310 AA.
AC   R7FP42;
DT   24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT   24-JUL-2013, sequence version 1.
DT   24-JAN-2024, entry version 41.
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   ORFNames=BN797_01221 {ECO:0000313|EMBL:CDE17084.1};
OS   Eubacterium sp. CAG:841.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Eubacteriaceae;
OC   Eubacterium.
OX   NCBI_TaxID=1262894 {ECO:0000313|EMBL:CDE17084.1, ECO:0000313|Proteomes:UP000017924};
RN   [1] {ECO:0000313|EMBL:CDE17084.1, ECO:0000313|Proteomes:UP000017924}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGS:841 {ECO:0000313|Proteomes:UP000017924};
RA   Nielsen H.B., Almeida M., Juncker A.S., Rasmussen S., Li J., Sunagawa S.,
RA   Plichta D., Gautier L., Le Chatelier E., Peletier E., Bonde I., Nielsen T.,
RA   Manichanh C., Arumugam M., Batto J., Santos M.B.Q.D., Blom N., Borruel N.,
RA   Burgdorf K.S., Boumezbeur F., Casellas F., Dore J., Guarner F., Hansen T.,
RA   Hildebrand F., Kaas R.S., Kennedy S., Kristiansen K., Kultima J.R.,
RA   Leonard P., Levenez F., Lund O., Moumen B., Le Paslier D., Pons N.,
RA   Pedersen O., Prifti E., Qin J., Raes J., Tap J., Tims S., Ussery D.W.,
RA   Yamada T., MetaHit consortium, Renault P., Sicheritz-Ponten T., Bork P.,
RA   Wang J., Brunak S., Ehrlich S.D.;
RT   "Dependencies among metagenomic species, viruses, plasmids and units of
RT   genetic variation.";
RL   Submitted (NOV-2012) 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:PIRSR605856-50, 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:CDE17084.1}.
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DR   EMBL; CBIL010000017; CDE17084.1; -; Genomic_DNA.
DR   AlphaFoldDB; R7FP42; -.
DR   STRING; 1262894.BN797_01221; -.
DR   UniPathway; UPA00136; UER00200.
DR   Proteomes; UP000017924; 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   Reference proteome {ECO:0000313|Proteomes:UP000017924};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT   DOMAIN          10..297
FT                   /note="Tryptophan synthase beta chain-like PALP"
FT                   /evidence="ECO:0000259|Pfam:PF00291"
FT   BINDING         77
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT   BINDING         181..185
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT   BINDING         269
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT   MOD_RES         47
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ   SEQUENCE   310 AA;  32464 MW;  2F9D74667D7697A7 CRC64;
     MSKVFTSADQ LIGGTPLLEL THIEKEFGFK AKILAKLEYF NPAGSVKDRV AKAMIDDAEQ
     KGLLKKGSVI IEPTSGNTGI GLASVAAARG YRIIIVMPET MSVERRQIMK AYGAELVLTE
     GAKGMKGAIA KADELAKEIP DSFVPGQFVN PANPKAHFEH TGPEIYADTD GKVDVFVAGV
     GTGGTITGVG GYLKSKNPDV KVIAVEPATS AVLSTGVAGA HKIQGIGAGF VPDVLDTKIY
     DEIIPVSNED AFSTGKLIGK KEGVLVGISS GAALHAAIEV AKRPENEGKN IVVLFPDTGD
     RYLSTPLFAD
//
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