ID A0A101T931_9ACTN Unreviewed; 463 AA.
AC A0A101T931;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 27-MAR-2024, entry version 22.
DE RecName: Full=Cystathionine beta-synthase {ECO:0000256|ARBA:ARBA00026192};
DE EC=4.2.1.22 {ECO:0000256|ARBA:ARBA00012041};
DE AltName: Full=Beta-thionase {ECO:0000256|ARBA:ARBA00030337};
DE AltName: Full=Serine sulfhydrase {ECO:0000256|ARBA:ARBA00031579};
GN ORFNames=AQJ66_09935 {ECO:0000313|EMBL:KUN87919.1};
OS Streptomyces bungoensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=285568 {ECO:0000313|EMBL:KUN87919.1, ECO:0000313|Proteomes:UP000053024};
RN [1] {ECO:0000313|EMBL:KUN87919.1, ECO:0000313|Proteomes:UP000053024}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 41781 {ECO:0000313|EMBL:KUN87919.1,
RC ECO:0000313|Proteomes:UP000053024};
RA Ruckert C., Winkler A., Kalinowski J., Kampfer P., Glaeser S.;
RT "Draft genome sequence of Streptomyces bungoensis DSM 41781, type strain
RT for the species Streptomyces bungoensis.";
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homocysteine + L-serine = H2O + L,L-cystathionine;
CC Xref=Rhea:RHEA:10112, ChEBI:CHEBI:15377, ChEBI:CHEBI:33384,
CC ChEBI:CHEBI:58161, ChEBI:CHEBI:58199; EC=4.2.1.22;
CC Evidence={ECO:0000256|ARBA:ARBA00001175};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933};
CC -!- PATHWAY: Amino-acid biosynthesis. {ECO:0000256|ARBA:ARBA00029440}.
CC -!- SIMILARITY: Belongs to the cysteine synthase/cystathionine beta-
CC synthase family. {ECO:0000256|ARBA:ARBA00007103}.
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:KUN87919.1}.
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DR EMBL; LMWX01000013; KUN87919.1; -; Genomic_DNA.
DR RefSeq; WP_061919224.1; NZ_KQ948853.1.
DR AlphaFoldDB; A0A101T931; -.
DR STRING; 285568.AQJ66_09935; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000053024; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR GO; GO:0004122; F:cystathionine beta-synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProt.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:InterPro.
DR GO; GO:0019343; P:cysteine biosynthetic process via cystathionine; IEA:InterPro.
DR CDD; cd01561; CBS_like; 1.
DR CDD; cd04608; CBS_pair_CBS; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.10.580.10; CBS-domain; 1.
DR InterPro; IPR046353; CBS_C.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR005857; Cysta_beta_synth.
DR InterPro; IPR001216; P-phosphate_BS.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR01137; cysta_beta; 1.
DR PANTHER; PTHR10314; CYSTATHIONINE BETA-SYNTHASE; 1.
DR PANTHER; PTHR10314:SF194; CYSTATHIONINE BETA-SYNTHASE; 1.
DR Pfam; PF00571; CBS; 2.
DR Pfam; PF00291; PALP; 1.
DR SMART; SM00116; CBS; 2.
DR SUPFAM; SSF54631; CBS-domain pair; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS51371; CBS; 1.
DR PROSITE; PS00901; CYS_SYNTHASE; 1.
PE 3: Inferred from homology;
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703}; Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898};
KW Reference proteome {ECO:0000313|Proteomes:UP000053024}.
FT DOMAIN 337..401
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
SQ SEQUENCE 463 AA; 49153 MW; 5A7347733BC11879 CRC64;
MHFHDSMISL VGNTPLVRLN SVTKGIQATV LAKVEYFNPG GSVKDRIALR MIEAAEQSGE
LKPGGTIVEP TSGNTGVGLA IVAQQKGYKC IFVCPDKVST DKINVLRAYG AEVVVCPTAV
APEHPDSYYN VSDRLVRETP GAWKPDQYSN PNNPLSHYHS TGPELWEQTE GKITHFVAGV
GTGGTISGTG RYLKDVSDGR VQVVGADPEG SVYSGGSGRP YLVEGVGEDF WPTAYDRSVA
DEIVAVSDKD SFQMTRRLAK EEGLLVGGSC GMAVVAALRV AERLGPDDVV VVLLPDSGRG
YLSKIFNDEW MADYGFLEDE GPSARVADVL DDKAGGTIPS LVHMHPEETV GQAIEVLREY
GVSQMPVVKP GAGHPDVMAA EVVGSVVERE LLDALFSQRA SLEDPLEKHM SAPLPQVGSG
EPVADLMSVL GSADAAIVLV EGKPTGVVSR QDLLAFLAKG GRQ
//
