ID   B9SVY2_RICCO            Unreviewed;       216 AA.
AC   B9SVY2;
DT   24-MAR-2009, integrated into UniProtKB/TrEMBL.
DT   24-MAR-2009, sequence version 1.
DT   24-JAN-2024, entry version 51.
DE   RecName: Full=Cytokinin riboside 5'-monophosphate phosphoribohydrolase {ECO:0000256|ARBA:ARBA00012205, ECO:0000256|RuleBase:RU363015};
DE            EC=3.2.2.n1 {ECO:0000256|ARBA:ARBA00012205, ECO:0000256|RuleBase:RU363015};
GN   ORFNames=RCOM_0225400 {ECO:0000313|EMBL:EEF32206.1};
OS   Ricinus communis (Castor bean).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Euphorbiaceae; Acalyphoideae; Acalypheae;
OC   Ricinus.
OX   NCBI_TaxID=3988 {ECO:0000313|Proteomes:UP000008311};
RN   [1] {ECO:0000313|Proteomes:UP000008311}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Hale {ECO:0000313|Proteomes:UP000008311};
RX   PubMed=20729833; DOI=10.1038/nbt.1674;
RA   Chan A.P., Crabtree J., Zhao Q., Lorenzi H., Orvis J., Puiu D.,
RA   Melake-Berhan A., Jones K.M., Redman J., Chen G., Cahoon E.B., Gedil M.,
RA   Stanke M., Haas B.J., Wortman J.R., Fraser-Liggett C.M., Ravel J.,
RA   Rabinowicz P.D.;
RT   "Draft genome sequence of the oilseed species Ricinus communis.";
RL   Nat. Biotechnol. 28:951-956(2010).
CC   -!- FUNCTION: Cytokinin-activating enzyme working in the direct activation
CC       pathway. Phosphoribohydrolase that converts inactive cytokinin
CC       nucleotides to the biologically active free-base forms.
CC       {ECO:0000256|ARBA:ARBA00024884, ECO:0000256|RuleBase:RU363015}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=9-ribosyl-trans-zeatin 5'-phosphate + H2O = D-ribose 5-
CC         phosphate + trans-zeatin; Xref=Rhea:RHEA:48564, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:16522, ChEBI:CHEBI:78346, ChEBI:CHEBI:87947; EC=3.2.2.n1;
CC         Evidence={ECO:0000256|ARBA:ARBA00000881,
CC         ECO:0000256|RuleBase:RU363015};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + N(6)-(dimethylallyl)adenosine 5'-phosphate = D-ribose 5-
CC         phosphate + N(6)-dimethylallyladenine; Xref=Rhea:RHEA:48560,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:17660, ChEBI:CHEBI:57526,
CC         ChEBI:CHEBI:78346; EC=3.2.2.n1;
CC         Evidence={ECO:0000256|ARBA:ARBA00000894,
CC         ECO:0000256|RuleBase:RU363015};
CC   -!- SIMILARITY: Belongs to the LOG family. {ECO:0000256|ARBA:ARBA00006763,
CC       ECO:0000256|RuleBase:RU363015}.
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DR   EMBL; EQ974180; EEF32206.1; -; Genomic_DNA.
DR   RefSeq; XP_002530151.1; XM_002530105.2.
DR   AlphaFoldDB; B9SVY2; -.
DR   STRING; 3988.B9SVY2; -.
DR   GeneID; 8271130; -.
DR   KEGG; rcu:8271130; -.
DR   eggNOG; ENOG502QSX6; Eukaryota.
DR   InParanoid; B9SVY2; -.
DR   OrthoDB; 122997at2759; -.
DR   Proteomes; UP000008311; Unassembled WGS sequence.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR   GO; GO:0016799; F:hydrolase activity, hydrolyzing N-glycosyl compounds; IBA:GO_Central.
DR   GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
DR   GO; GO:0102682; F:N6-(Delta2-isopentenyl)-adenosine 5'-monophosphate phosphoribohydrolase activity; IEA:RHEA.
DR   GO; GO:0009691; P:cytokinin biosynthetic process; IBA:GO_Central.
DR   Gene3D; 3.40.50.450; -; 1.
DR   InterPro; IPR005269; LOG.
DR   InterPro; IPR031100; LOG_fam.
DR   NCBIfam; TIGR00730; Rossman fold protein, TIGR00730 family; 1.
DR   PANTHER; PTHR31223:SF72; CYTOKININ RIBOSIDE 5'-MONOPHOSPHATE PHOSPHORIBOHYDROLASE LOG7; 1.
DR   PANTHER; PTHR31223; LOG FAMILY PROTEIN YJL055W; 1.
DR   Pfam; PF03641; Lysine_decarbox; 1.
DR   SUPFAM; SSF102405; MCP/YpsA-like; 1.
PE   3: Inferred from homology;
KW   Cytokinin biosynthesis {ECO:0000256|ARBA:ARBA00022712,
KW   ECO:0000256|RuleBase:RU363015}; Hydrolase {ECO:0000256|RuleBase:RU363015};
KW   Lyase {ECO:0000313|EMBL:EEF32206.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000008311}.
SQ   SEQUENCE   216 AA;  23706 MW;  07EAC45739E99260 CRC64;
     MEETKSRFKR ICVFCGSSTG KKASYQEAAV ELGKELVERR IDLVYGGGSV GLMGLVSQAV
     HDGGRHVLGV VPRTLMPREI IGQTVGEVRA VSDMHQRKAE MARQADAFIA LPGGYGTLEE
     LLEVITWAQL GIHRKPVGLL NVDGFYNSLL CFIDKAVDEG FISPTARRII VSAPTAKQLV
     RQLEEYVPEY DEITSKLVWE EVDILNYVPG SGVATL
//