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
//