ID A0A101SQP3_9ACTN Unreviewed; 462 AA.
AC A0A101SQP3;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 27-MAR-2024, entry version 45.
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=AQJ64_30815 {ECO:0000313|EMBL:KUN78382.1};
OS Streptomyces griseoruber.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1943 {ECO:0000313|EMBL:KUN78382.1, ECO:0000313|Proteomes:UP000052982};
RN [1] {ECO:0000313|EMBL:KUN78382.1, ECO:0000313|Proteomes:UP000052982}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 40281 {ECO:0000313|EMBL:KUN78382.1,
RC ECO:0000313|Proteomes:UP000052982};
RA Ruckert C., Winkler A., Kalinowski J., Kampfer P., Glaeser S.;
RT "Draft genome sequence of Streptomyces griseoruber DSM 40281, type strain
RT for the species Streptomyces griseoruber.";
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:KUN78382.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; LMWW01000053; KUN78382.1; -; Genomic_DNA.
DR RefSeq; WP_055631694.1; NZ_LIQS01000020.1.
DR AlphaFoldDB; A0A101SQP3; -.
DR STRING; 1943.AQJ64_30815; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000052982; 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}.
FT DOMAIN 337..401
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
SQ SEQUENCE 462 AA; 49116 MW; C63AEA3810968DF8 CRC64;
MRFHDSMISL VGNTPLVKLN SVTQGIQATV LAKVEYFNPG GSVKDRIALR MIEAAEKSGE
LRPGGTIVEP TSGNTGVGLA IVAQQKGYKC IFVCPDKVST DKINVLRAYG AEVVVCPTAV
DPEHPDSYYN VSDRLVRETP GAWKPDQYSN PNNPLSHYHS TGPELWEQTE GRITHFVAGV
GTGGTISGTG RYLKDASDGR VQVVGADPEG SVYSGGSGRP YLVEGVGEDF WPSAYDRTVA
DEIVAVSDKD SFQMTRRLAK EEGLLVGGSC GMAVVAALRV AERLGPDDVV VVLLPDSGRG
YLSKIFNDEW MADYGFLEDE GPSARVGDVL SDKEHGAMPS LVHMHPDETV GQAIEVLREY
GVSQMPIVKP GAGHPDVMAA EVVGSVVERE LLDALFTQRA SLSDPLEKHM SAPLPQVGSG
EPVGDLMSVL GTADAAIVLV EGKPTGVVSR QDLLAFLAKG GK
//
