ID B0XW58_ASPFC Unreviewed; 534 AA.
AC B0XW58;
DT 08-APR-2008, integrated into UniProtKB/TrEMBL.
DT 08-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 75.
DE RecName: Full=Cystathionine beta-synthase {ECO:0000256|ARBA:ARBA00026192, ECO:0000256|RuleBase:RU361204};
DE EC=4.2.1.22 {ECO:0000256|ARBA:ARBA00012041, ECO:0000256|RuleBase:RU361204};
GN ORFNames=AFUB_023660 {ECO:0000313|EMBL:EDP54310.1};
OS Aspergillus fumigatus (strain CBS 144.89 / FGSC A1163 / CEA10) (Neosartorya
OS fumigata).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC Aspergillus subgen. Fumigati.
OX NCBI_TaxID=451804 {ECO:0000313|EMBL:EDP54310.1, ECO:0000313|Proteomes:UP000001699};
RN [1] {ECO:0000313|EMBL:EDP54310.1, ECO:0000313|Proteomes:UP000001699}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CEA10 / CBS 144.89 / FGSC A1163
RC {ECO:0000313|Proteomes:UP000001699};
RX PubMed=18404212; DOI=10.1371/journal.pgen.1000046;
RA Fedorova N.D., Khaldi N., Joardar V.S., Maiti R., Amedeo P., Anderson M.J.,
RA Crabtree J., Silva J.C., Badger J.H., Albarraq A., Angiuoli S., Bussey H.,
RA Bowyer P., Cotty P.J., Dyer P.S., Egan A., Galens K., Fraser-Liggett C.M.,
RA Haas B.J., Inman J.M., Kent R., Lemieux S., Malavazi I., Orvis J.,
RA Roemer T., Ronning C.M., Sundaram J.P., Sutton G., Turner G., Venter J.C.,
RA White O.R., Whitty B.R., Youngman P., Wolfe K.H., Goldman G.H.,
RA Wortman J.R., Jiang B., Denning D.W., Nierman W.C.;
RT "Genomic islands in the pathogenic filamentous fungus Aspergillus
RT fumigatus.";
RL PLoS Genet. 4:E1000046-E1000046(2008).
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 ECO:0000256|RuleBase:RU361204};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|RuleBase:RU361204};
CC -!- PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine
CC from L-homocysteine and L-serine: step 1/2.
CC {ECO:0000256|ARBA:ARBA00005003}.
CC -!- SIMILARITY: Belongs to the cysteine synthase/cystathionine beta-
CC synthase family. {ECO:0000256|RuleBase:RU361204}.
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DR EMBL; DS499595; EDP54310.1; -; Genomic_DNA.
DR AlphaFoldDB; B0XW58; -.
DR EnsemblFungi; EDP54310; EDP54310; AFUB_023660.
DR VEuPathDB; FungiDB:AFUB_023660; -.
DR HOGENOM; CLU_021018_0_0_1; -.
DR PhylomeDB; B0XW58; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000001699; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:EnsemblFungi.
DR GO; GO:0004122; F:cystathionine beta-synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:UniProtKB-UniRule.
DR GO; GO:0019343; P:cysteine biosynthetic process via cystathionine; IEA:UniProtKB-UniRule.
DR GO; GO:0070814; P:hydrogen sulfide biosynthetic process; IEA:EnsemblFungi.
DR GO; GO:0019346; P:transsulfuration; IEA:EnsemblFungi.
DR GO; GO:0007089; P:traversing start control point of mitotic cell cycle; IEA:EnsemblFungi.
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; 1.
DR Pfam; PF00291; PALP; 1.
DR SMART; SM00116; CBS; 1.
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 Amino-acid biosynthesis {ECO:0000256|RuleBase:RU361204};
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703};
KW Cysteine biosynthesis {ECO:0000256|ARBA:ARBA00023192,
KW ECO:0000256|RuleBase:RU361204};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU361204};
KW Pyridoxal phosphate {ECO:0000256|RuleBase:RU361204}.
FT DOMAIN 369..426
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
SQ SEQUENCE 534 AA; 57780 MW; DEBDB76D73EDF4A8 CRC64;
MSSKTSPAVP PVALDAITQH IGNTPLVRLN RVPKSLGVEA TVYAKLEYFN AGGSVKDRIA
LRMIEEAERS GRIKPGDTLI EPTSGNTGIG LALVAAVKGY KTIITLPEKM SAEKVSVLRA
LNATIIRTPN EAAYDSPESH IGVAKRLEKE IPNAHILDQY GNVNNPLAHE LGTAEEIWTQ
TNGKISAIVA GAGTGGTITG LARGLKKHNP NVKVIAADPH GSILAVPADL NKEHENEPYK
VEGIGYDFIP QVLDQSVVDK WYKTGDRESF QYARRLIAEE GLLVGGSSGS AISALVQAAA
DHTFTKDDVV VVILPDSIRS YLTKFADDDW LAANDLLPSL SSETTLVSQS VQPEAPKDKF
AGAKVKSLRL KPITTVRSNI PCENAIEIMR DRGFDQLPVL APSGKKLVGL VTLGNVLSRL
THGRATKKSL VADVMFDFGK ISEVVTDPRD LGLTESKLSG DQQNGADVLR PQAKNRKFME
ITMETPLSVL NRFFEWNSAA IVTERDEHGT MRPLAVATKV DLLTWMLHHN ENSS
//
