ID DEOD_ECOHS Reviewed; 239 AA. AC A8A8B3; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 23-OCT-2007, sequence version 1. DT 27-MAR-2024, entry version 78. DE RecName: Full=Purine nucleoside phosphorylase DeoD-type {ECO:0000255|HAMAP-Rule:MF_01627}; DE Short=PNP {ECO:0000255|HAMAP-Rule:MF_01627}; DE EC=2.4.2.1 {ECO:0000255|HAMAP-Rule:MF_01627}; GN Name=deoD {ECO:0000255|HAMAP-Rule:MF_01627}; GN OrderedLocusNames=EcHS_A4619; OS Escherichia coli O9:H4 (strain HS). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=331112; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=HS; RX PubMed=18676672; DOI=10.1128/jb.00619-08; RA Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F., RA Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R., RA Henderson I.R., Sperandio V., Ravel J.; RT "The pangenome structure of Escherichia coli: comparative genomic analysis RT of E. coli commensal and pathogenic isolates."; RL J. Bacteriol. 190:6881-6893(2008). CC -!- FUNCTION: Catalyzes the reversible phosphorolytic breakdown of the N- CC glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the CC formation of the corresponding free purine bases and pentose-1- CC phosphate. {ECO:0000255|HAMAP-Rule:MF_01627}. CC -!- CATALYTIC ACTIVITY: CC Reaction=a purine D-ribonucleoside + phosphate = a purine nucleobase + CC alpha-D-ribose 1-phosphate; Xref=Rhea:RHEA:19805, ChEBI:CHEBI:26386, CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57720, ChEBI:CHEBI:142355; EC=2.4.2.1; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01627}; CC -!- CATALYTIC ACTIVITY: CC Reaction=a purine 2'-deoxy-D-ribonucleoside + phosphate = 2-deoxy- CC alpha-D-ribose 1-phosphate + a purine nucleobase; CC Xref=Rhea:RHEA:36431, ChEBI:CHEBI:26386, ChEBI:CHEBI:43474, CC ChEBI:CHEBI:57259, ChEBI:CHEBI:142361; EC=2.4.2.1; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01627}; CC -!- SUBUNIT: Homohexamer; trimer of homodimers. {ECO:0000255|HAMAP- CC Rule:MF_01627}. CC -!- SIMILARITY: Belongs to the PNP/UDP phosphorylase family. CC {ECO:0000255|HAMAP-Rule:MF_01627}. 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; CP000802; ABV08767.1; -; Genomic_DNA. DR RefSeq; WP_000224877.1; NC_009800.1. DR AlphaFoldDB; A8A8B3; -. DR SMR; A8A8B3; -. DR GeneID; 75202933; -. DR KEGG; ecx:EcHS_A4619; -. DR HOGENOM; CLU_068457_2_0_6; -. DR Proteomes; UP000001123; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProt. DR GO; GO:0004731; F:purine-nucleoside phosphorylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0009164; P:nucleoside catabolic process; IEA:UniProt. DR GO; GO:0042278; P:purine nucleoside metabolic process; IEA:UniProtKB-UniRule. DR CDD; cd09006; PNP_EcPNPI-like; 1. DR Gene3D; 3.40.50.1580; Nucleoside phosphorylase domain; 1. DR HAMAP; MF_01627; Pur_nucleosid_phosp; 1. DR InterPro; IPR004402; DeoD-type. DR InterPro; IPR018016; Nucleoside_phosphorylase_CS. DR InterPro; IPR000845; Nucleoside_phosphorylase_d. DR InterPro; IPR035994; Nucleoside_phosphorylase_sf. DR NCBIfam; TIGR00107; deoD; 1. DR PANTHER; PTHR43691:SF2; PURINE NUCLEOSIDE PHOSPHORYLASE DEOD-TYPE; 1. DR PANTHER; PTHR43691; URIDINE PHOSPHORYLASE; 1. DR Pfam; PF01048; PNP_UDP_1; 1. DR SUPFAM; SSF53167; Purine and uridine phosphorylases; 1. DR PROSITE; PS01232; PNP_UDP_1; 1. PE 3: Inferred from homology; KW Acetylation; Glycosyltransferase; Reference proteome; Transferase. FT CHAIN 1..239 FT /note="Purine nucleoside phosphorylase DeoD-type" FT /id="PRO_1000069626" FT ACT_SITE 205 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01627" FT BINDING 5 FT /ligand="a purine D-ribonucleoside" FT /ligand_id="ChEBI:CHEBI:142355" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 21 FT /ligand="phosphate" FT /ligand_id="ChEBI:CHEBI:43474" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 25 FT /ligand="phosphate" FT /ligand_id="ChEBI:CHEBI:43474" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 44 FT /ligand="phosphate" FT /ligand_id="ChEBI:CHEBI:43474" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 88..91 FT /ligand="phosphate" FT /ligand_id="ChEBI:CHEBI:43474" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 180..182 FT /ligand="a purine D-ribonucleoside" FT /ligand_id="ChEBI:CHEBI:142355" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000250|UniProtKB:P50389" FT BINDING 204..205 FT /ligand="a purine D-ribonucleoside" FT /ligand_id="ChEBI:CHEBI:142355" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000250|UniProtKB:P50389" FT SITE 218 FT /note="Important for catalytic activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01627" FT MOD_RES 27 FT /note="N6-acetyllysine" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01627" SQ SEQUENCE 239 AA; 25950 MW; 71D3DFAA5A176970 CRC64; MATPHINAEM GDFADVVLMP GDPLRAKYIA ETFLEDAREV NNVRGMLGFT GTYKGRKISV MGHGMGIPSC SIYTKELITD FGVKKIIRVG SCGAVLPHVK LRDVVIGMGA CTDSKVNRIR FKDHDFAAIA DFDMVRNAVD AAKALGIDAR VGNLFSADLF YSPDGEMFDV MEKYGILGVE MEAAGIYGVA AEFGAKALTI CTVSDHIRTH EQTTAAERQT TFNDMIKIAL ESVLLGDKE //