ID DCYD_ECOSM Reviewed; 328 AA. AC B1LQT7; DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot. DT 29-APR-2008, sequence version 1. DT 27-MAR-2024, entry version 76. DE RecName: Full=D-cysteine desulfhydrase {ECO:0000255|HAMAP-Rule:MF_01045}; DE EC=4.4.1.15 {ECO:0000255|HAMAP-Rule:MF_01045}; GN Name=dcyD {ECO:0000255|HAMAP-Rule:MF_01045}; GN OrderedLocusNames=EcSMS35_1263; OS Escherichia coli (strain SMS-3-5 / SECEC). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=439855; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=SMS-3-5 / SECEC; RX PubMed=18708504; DOI=10.1128/jb.00661-08; RA Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C., RA Ravel J., Stepanauskas R.; RT "Insights into the environmental resistance gene pool from the genome RT sequence of the multidrug-resistant environmental isolate Escherichia coli RT SMS-3-5."; RL J. Bacteriol. 190:6779-6794(2008). CC -!- FUNCTION: Catalyzes the alpha,beta-elimination reaction of D-cysteine CC and of several D-cysteine derivatives. It could be a defense mechanism CC against D-cysteine. {ECO:0000255|HAMAP-Rule:MF_01045}. CC -!- CATALYTIC ACTIVITY: CC Reaction=D-cysteine + H2O = H(+) + hydrogen sulfide + NH4(+) + CC pyruvate; Xref=Rhea:RHEA:11268, ChEBI:CHEBI:15361, ChEBI:CHEBI:15377, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:28938, ChEBI:CHEBI:29919, CC ChEBI:CHEBI:35236; EC=4.4.1.15; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01045}; CC -!- COFACTOR: CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01045}; CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01045}. CC -!- SIMILARITY: Belongs to the ACC deaminase/D-cysteine desulfhydrase CC family. {ECO:0000255|HAMAP-Rule:MF_01045}. 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; CP000970; ACB19636.1; -; Genomic_DNA. DR RefSeq; WP_001128215.1; NC_010498.1. DR AlphaFoldDB; B1LQT7; -. DR SMR; B1LQT7; -. DR GeneID; 75205835; -. DR KEGG; ecm:EcSMS35_1263; -. DR HOGENOM; CLU_048897_1_0_6; -. DR Proteomes; UP000007011; Chromosome. DR GO; GO:0019148; F:D-cysteine desulfhydrase activity; IEA:UniProtKB-UniRule. DR GO; GO:0046416; P:D-amino acid metabolic process; IEA:UniProtKB-UniRule. DR CDD; cd06449; ACCD; 1. DR Gene3D; 3.40.50.1100; -; 2. DR HAMAP; MF_01045; D_Cys_desulfhydr; 1. DR InterPro; IPR027278; ACCD_DCysDesulf. DR InterPro; IPR005966; D-Cys_desShydrase. DR InterPro; IPR023702; D_Cys_desulphydr_bac. DR InterPro; IPR001926; TrpB-like_PALP. DR InterPro; IPR036052; TrpB-like_PALP_sf. DR NCBIfam; TIGR01275; ACC_deam_rel; 1. DR PANTHER; PTHR43780; 1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE-RELATED; 1. DR PANTHER; PTHR43780:SF2; 1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE-RELATED; 1. DR Pfam; PF00291; PALP; 1. DR PIRSF; PIRSF006278; ACCD_DCysDesulf; 1. DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1. PE 3: Inferred from homology; KW Lyase; Pyridoxal phosphate. FT CHAIN 1..328 FT /note="D-cysteine desulfhydrase" FT /id="PRO_1000136162" FT MOD_RES 51 FT /note="N6-(pyridoxal phosphate)lysine" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01045" SQ SEQUENCE 328 AA; 35153 MW; 4179DE645C0B32D8 CRC64; MPLHNLTRFP RLEFIGAPTP LEYLPRFSDY LGREIFIKRD DVTPMAMGGN KLRKLEFLAA DALREGADTL ITAGAIQSNH VRQTAAVAAK LGLHCVALLE NPIGTTAENY LTNGNRLLLD LFNTQIEMCD ALTDPNAQLE ELATRVEAQG FRPYVIPVGG SNALGALGYV ESALEIAQQC EGAVNISSVV VASGSAGTHA GLAVGLEHLM PESELIGVTV SRSVADQLPK VVNLQQAIAK ELELTASAEI LLWDDYFAPG YGVPNDEGME AVKLLARLEG ILLDPVYTGK AMAGLIDGIS QKRFKDEGPI LFIHTGGAPA LFAYHPHV //