ID DEOD_KLEP3 Reviewed; 239 AA. AC B5Y274; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 25-NOV-2008, sequence version 1. DT 27-MAR-2024, entry version 73. 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=KPK_4774; OS Klebsiella pneumoniae (strain 342). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella. OX NCBI_TaxID=507522; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=342; RX PubMed=18654632; DOI=10.1371/journal.pgen.1000141; RA Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H., RA Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y., RA Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W., RA Methe B.A.; RT "Complete genome sequence of the N2-fixing broad host range endophyte RT Klebsiella pneumoniae 342 and virulence predictions verified in mice."; RL PLoS Genet. 4:E1000141-E1000141(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; CP000964; ACI09257.1; -; Genomic_DNA. DR AlphaFoldDB; B5Y274; -. DR SMR; B5Y274; -. DR KEGG; kpe:KPK_4774; -. DR HOGENOM; CLU_068457_2_0_6; -. DR Proteomes; UP000001734; 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 Glycosyltransferase; Transferase. FT CHAIN 1..239 FT /note="Purine nucleoside phosphorylase DeoD-type" FT /id="PRO_1000186204" 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" SQ SEQUENCE 239 AA; 25945 MW; D0166352FCA1F118 CRC64; MATPHINAEM GDFADVVLMP GDPLRAKHIA ETFLEDVREV NNVRGMLGFT GTYKGRKISV MGHGMGIPSC SIYTKELITD FGVKKIIRVG SCGAVREDVK LRDVVIGMGA CTDSKVNRLR FKDHDFAAIA DFGMVRNAVD AAKALGVDAR VGNIFSADLF YTPDPSMFDV MEKYGILGVE MEAAGIYGVA AEFGAKALTI CTVSDHIRTH EQTTAAERQT TFNDMIKIAL ESVLLGDKE //