ID D3D0E5_9ACTN Unreviewed; 463 AA.
AC D3D0E5;
DT 23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 23-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 44.
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=FrEUN1fDRAFT_3266 {ECO:0000313|EMBL:EFC83569.1};
OS Parafrankia sp. EUN1f.
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae;
OC Parafrankia.
OX NCBI_TaxID=102897 {ECO:0000313|EMBL:EFC83569.1, ECO:0000313|Proteomes:UP000004777};
RN [1] {ECO:0000313|EMBL:EFC83569.1, ECO:0000313|Proteomes:UP000004777}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EUN1f {ECO:0000313|EMBL:EFC83569.1,
RC ECO:0000313|Proteomes:UP000004777};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Copeland A., Lapidus A., Tice H., Bruce D., Goodwin L.,
RA Pitluck S., Larimer F., Land M.L., Hauser L., Beauchemin N., Sen A.,
RA Fernandez M., Tisa L.;
RT "The draft genome of Frankia sp. EUN1f.";
RL Submitted (JAN-2010) 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 -!- 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:EFC83569.1}.
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DR EMBL; ADGX01000047; EFC83569.1; -; Genomic_DNA.
DR RefSeq; WP_006541114.1; NZ_ADGX01000047.1.
DR AlphaFoldDB; D3D0E5; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000004777; 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 Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.10.580.10; CBS-domain; 1.
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 4: Predicted;
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 343..405
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
FT REGION 139..159
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 143..157
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 463 AA; 48889 MW; 2635CFE2C2233D55 CRC64;
MDVYDDITDL VGGTPLVRLT PTIAETTTPV LGKLEYLNPG GSVKDRIALS MVAAAEREGR
LRPGGTIVEP TSGNTGVGLA MLAARRGYRC VFTMPDKISE EKRAVLRAYG AEVIVCPTAV
TPEDPRSYYS VARRLERETP GAWSPDQYSN PQNPAAHEAT TGPEIWRATD GRVTHFVAGI
GTGGTISGIG RYLKRVSGGT VQVIGADPEG SVYSGGSGRP YLVEGVGEDI WPTTYDKSVV
DRVEAVSDRD SFLMTRELAR RAGILVGGSC GLAVIAAIRV ARELDAAATA DGCVVVLLPD
SGRGYLSKIF NDEWMYDNGF LDPPSNEPTV AAVLSHKNAQ TSAPPNLVHV HPDETVGAAI
SYLREFGVSQ MPVVRHEPPV RAAEVAGAVV ERDLLEAVFA DRAAVDALVV DHMSAPLPTV
GVGEPLSVLV SALGEDPAAL VLDEGNPSGI LTRADLLGFL AVR
//
