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PDE1B_HUMAN
ID   PDE1B_HUMAN             Reviewed;         536 AA.
AC   Q01064; Q92825; Q96KP3;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   15-JUL-1998, sequence version 2.
DT   03-AUG-2022, entry version 195.
DE   RecName: Full=Dual specificity calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1B {ECO:0000305|PubMed:9419816};
DE            Short=Cam-PDE 1B;
DE            EC=3.1.4.17 {ECO:0000269|PubMed:15260978, ECO:0000269|PubMed:8855339, ECO:0000269|PubMed:9419816};
DE   AltName: Full=63 kDa Cam-PDE {ECO:0000303|PubMed:1326532};
GN   Name=PDE1B {ECO:0000312|HGNC:HGNC:8775}; Synonyms=PDES1B;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM PDE1B1), FUNCTION, CATALYTIC ACTIVITY,
RP   AND SUBCELLULAR LOCATION.
RX   PubMed=8855339; DOI=10.1073/pnas.93.20.11236;
RA   Jiang X., Li J., Paskind M., Epstein P.M.;
RT   "Inhibition of calmodulin-dependent phosphodiesterase induces apoptosis in
RT   human leukemic cells.";
RL   Proc. Natl. Acad. Sci. U.S.A. 93:11236-11241(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM PDE1B1), FUNCTION, CATALYTIC ACTIVITY,
RP   AND ACTIVITY REGULATION.
RC   TISSUE=Brain;
RX   PubMed=9419816; DOI=10.1016/s0898-6568(97)00046-6;
RA   Yu J., Frazier A.L.B., Wolda S.L., Florio V.A., Martins T.J., Snyder P.B.,
RA   Harris E.A.S., McCaw K.N., Farrell C.A., Steiner B., Bentley J.K.,
RA   Beavo J.A., Ferguson K., Gelinas R.;
RT   "Identification and characterisation of a human calmodulin-stimulated
RT   phosphodiesterase PDE1B1.";
RL   Cell. Signal. 9:519-529(1997).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM PDE1B2).
RC   TISSUE=Testis;
RX   PubMed=11747989; DOI=10.1016/s0898-6568(01)00207-8;
RA   Fidock M.D., Miller M., Lanfear J.;
RT   "Isolation and differential tissue distribution of two human cDNAs encoding
RT   PDE1 splice variants.";
RL   Cell. Signal. 14:53-60(2002).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM PDE1B2).
RC   TISSUE=Testis;
RX   PubMed=14702039; DOI=10.1038/ng1285;
RA   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R.,
RA   Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H.,
RA   Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.,
RA   Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K.,
RA   Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H.,
RA   Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M.,
RA   Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K.,
RA   Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T.,
RA   Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M.,
RA   Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S.,
RA   Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H.,
RA   Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K.,
RA   Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N.,
RA   Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S.,
RA   Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O.,
RA   Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H.,
RA   Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B.,
RA   Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y.,
RA   Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K.,
RA   Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T.,
RA   Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T.,
RA   Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y.,
RA   Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H.,
RA   Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y.,
RA   Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H.,
RA   Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O.,
RA   Isogai T., Sugano S.;
RT   "Complete sequencing and characterization of 21,243 full-length human
RT   cDNAs.";
RL   Nat. Genet. 36:40-45(2004).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M.,
RA   Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J.,
RA   Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S.,
RA   Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H.,
RA   Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K.,
RA   Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D.,
RA   Hunkapiller M.W., Myers E.W., Venter J.C.;
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
RN   [6]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM PDE1B1).
RC   TISSUE=Brain;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [7]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 222-337.
RX   PubMed=1326532; DOI=10.1016/s0021-9258(19)37015-2;
RA   Repaske D.R., Swinnen J.V., Jin S.-L.C., van Wyk J.J., Conti M.;
RT   "A polymerase chain reaction strategy to identify and clone cyclic
RT   nucleotide phosphodiesterase cDNAs. Molecular cloning of the cDNA encoding
RT   the 63-kDa calmodulin-dependent phosphodiesterase.";
RL   J. Biol. Chem. 267:18683-18688(1992).
RN   [8] {ECO:0007744|PDB:1TAZ}
RP   X-RAY CRYSTALLOGRAPHY (1.77 ANGSTROMS) OF 146-506 IN COMPLEX WITH METAL
RP   IONS, COFACTOR, FUNCTION, AND CATALYTIC ACTIVITY.
RX   PubMed=15260978; DOI=10.1016/j.molcel.2004.07.005;
RA   Zhang K.Y.J., Card G.L., Suzuki Y., Artis D.R., Fong D., Gillette S.,
RA   Hsieh D., Neiman J., West B.L., Zhang C., Milburn M.V., Kim S.-H.,
RA   Schlessinger J., Bollag G.;
RT   "A glutamine switch mechanism for nucleotide selectivity by
RT   phosphodiesterases.";
RL   Mol. Cell 15:279-286(2004).
CC   -!- FUNCTION: Cyclic nucleotide phosphodiesterase with a dual specificity
CC       for the second messengers cAMP and cGMP, which are key regulators of
CC       many important physiological processes (PubMed:8855339, PubMed:9419816,
CC       PubMed:15260978). Has a preference for cGMP as a substrate
CC       (PubMed:9419816). {ECO:0000269|PubMed:15260978,
CC       ECO:0000269|PubMed:8855339, ECO:0000269|PubMed:9419816}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a nucleoside 3',5'-cyclic phosphate + H2O = a nucleoside 5'-
CC         phosphate + H(+); Xref=Rhea:RHEA:14653, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57867, ChEBI:CHEBI:58464; EC=3.1.4.17;
CC         Evidence={ECO:0000269|PubMed:15260978, ECO:0000269|PubMed:8855339,
CC         ECO:0000269|PubMed:9419816};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:14654;
CC         Evidence={ECO:0000305|PubMed:15260978};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3',5'-cyclic GMP + H2O = GMP + H(+); Xref=Rhea:RHEA:16957,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57746,
CC         ChEBI:CHEBI:58115; Evidence={ECO:0000269|PubMed:15260978,
CC         ECO:0000269|PubMed:9419816};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:16958;
CC         Evidence={ECO:0000305|PubMed:15260978};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3',5'-cyclic AMP + H2O = AMP + H(+); Xref=Rhea:RHEA:25277,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:58165,
CC         ChEBI:CHEBI:456215; Evidence={ECO:0000269|PubMed:15260978,
CC         ECO:0000269|PubMed:8855339, ECO:0000269|PubMed:9419816};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:25278;
CC         Evidence={ECO:0000305|PubMed:15260978};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000269|PubMed:15260978};
CC       Note=Binds 2 divalent metal cations per subunit. Site 1 may
CC       preferentially bind zinc ions. {ECO:0000269|PubMed:15260978};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000269|PubMed:15260978};
CC       Note=Binds 2 divalent metal cations per subunit. Site 2 has a
CC       preference for magnesium ions. {ECO:0000269|PubMed:15260978};
CC   -!- ACTIVITY REGULATION: Type I PDE are activated by the binding of
CC       calmodulin in the presence of Ca(2+). {ECO:0000269|PubMed:9419816}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P14100}.
CC   -!- INTERACTION:
CC       Q01064; Q9NUX5: POT1; NbExp=2; IntAct=EBI-7413304, EBI-752420;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm, cytosol {ECO:0000269|PubMed:8855339}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=2;
CC       Name=PDE1B1 {ECO:0000303|PubMed:8855339};
CC         IsoId=Q01064-1; Sequence=Displayed;
CC       Name=PDE1B2 {ECO:0000303|PubMed:11747989};
CC         IsoId=Q01064-2; Sequence=VSP_038643, VSP_038644;
CC   -!- SIMILARITY: Belongs to the cyclic nucleotide phosphodiesterase family.
CC       PDE1 subfamily. {ECO:0000305}.
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DR   EMBL; U56976; AAC50769.1; -; mRNA.
DR   EMBL; U86078; AAC51872.1; -; mRNA.
DR   EMBL; AJ401609; CAC82207.1; -; mRNA.
DR   EMBL; AK302931; BAG64092.1; -; mRNA.
DR   EMBL; CH471054; EAW96790.1; -; Genomic_DNA.
DR   EMBL; BC032226; AAH32226.1; -; mRNA.
DR   EMBL; M94539; AAA58405.1; -; mRNA.
DR   CCDS; CCDS53800.1; -. [Q01064-2]
DR   CCDS; CCDS8882.1; -. [Q01064-1]
DR   PIR; JC6129; JC6129.
DR   RefSeq; NP_000915.1; NM_000924.3. [Q01064-1]
DR   RefSeq; NP_001159447.1; NM_001165975.2. [Q01064-2]
DR   RefSeq; NP_001275697.1; NM_001288768.1.
DR   RefSeq; NP_001275698.1; NM_001288769.1.
DR   RefSeq; NP_001302463.1; NM_001315534.1.
DR   RefSeq; NP_001302464.1; NM_001315535.1.
DR   PDB; 1TAZ; X-ray; 1.77 A; A=146-506.
DR   PDB; 4NPV; X-ray; 2.40 A; A=142-507.
DR   PDB; 4NPW; X-ray; 1.90 A; A=142-507.
DR   PDB; 5B25; X-ray; 1.90 A; A/B/C/D=146-506.
DR   PDB; 5UOY; X-ray; 1.82 A; A=146-506.
DR   PDB; 5UP0; X-ray; 2.04 A; A=146-506.
DR   PDB; 5W6E; X-ray; 1.90 A; A=142-507.
DR   PDBsum; 1TAZ; -.
DR   PDBsum; 4NPV; -.
DR   PDBsum; 4NPW; -.
DR   PDBsum; 5B25; -.
DR   PDBsum; 5UOY; -.
DR   PDBsum; 5UP0; -.
DR   PDBsum; 5W6E; -.
DR   AlphaFoldDB; Q01064; -.
DR   SMR; Q01064; -.
DR   BioGRID; 111179; 4.
DR   IntAct; Q01064; 3.
DR   MINT; Q01064; -.
DR   STRING; 9606.ENSP00000243052; -.
DR   BindingDB; Q01064; -.
DR   ChEMBL; CHEMBL4425; -.
DR   DrugBank; DB01244; Bepridil.
DR   DrugBank; DB00201; Caffeine.
DR   DrugBank; DB01023; Felodipine.
DR   DrugBank; DB00622; Nicardipine.
DR   DrugBank; DB04530; S,S-(2-Hydroxyethyl)Thiocysteine.
DR   DrugBank; DB09283; Trapidil.
DR   DrugCentral; Q01064; -.
DR   GuidetoPHARMACOLOGY; 1295; -.
DR   iPTMnet; Q01064; -.
DR   PhosphoSitePlus; Q01064; -.
DR   BioMuta; PDE1B; -.
DR   DMDM; 3183514; -.
DR   jPOST; Q01064; -.
DR   MassIVE; Q01064; -.
DR   MaxQB; Q01064; -.
DR   PaxDb; Q01064; -.
DR   PeptideAtlas; Q01064; -.
DR   PRIDE; Q01064; -.
DR   ProteomicsDB; 57904; -. [Q01064-1]
DR   ProteomicsDB; 57905; -. [Q01064-2]
DR   Antibodypedia; 15408; 394 antibodies from 31 providers.
DR   DNASU; 5153; -.
DR   Ensembl; ENST00000243052.8; ENSP00000243052.3; ENSG00000123360.12. [Q01064-1]
DR   Ensembl; ENST00000550620.1; ENSP00000448519.1; ENSG00000123360.12. [Q01064-2]
DR   GeneID; 5153; -.
DR   KEGG; hsa:5153; -.
DR   MANE-Select; ENST00000243052.8; ENSP00000243052.3; NM_000924.4; NP_000915.1.
DR   UCSC; uc001sgd.3; human. [Q01064-1]
DR   CTD; 5153; -.
DR   DisGeNET; 5153; -.
DR   GeneCards; PDE1B; -.
DR   HGNC; HGNC:8775; PDE1B.
DR   HPA; ENSG00000123360; Tissue enriched (brain).
DR   MIM; 171891; gene.
DR   neXtProt; NX_Q01064; -.
DR   OpenTargets; ENSG00000123360; -.
DR   PharmGKB; PA33123; -.
DR   VEuPathDB; HostDB:ENSG00000123360; -.
DR   eggNOG; KOG3688; Eukaryota.
DR   GeneTree; ENSGT00940000160712; -.
DR   HOGENOM; CLU_005940_1_0_1; -.
DR   OMA; HCADIAH; -.
DR   OrthoDB; 904682at2759; -.
DR   PhylomeDB; Q01064; -.
DR   TreeFam; TF314638; -.
DR   BRENDA; 3.1.4.17; 2681.
DR   PathwayCommons; Q01064; -.
DR   Reactome; R-HSA-111957; Cam-PDE 1 activation.
DR   Reactome; R-HSA-418457; cGMP effects.
DR   Reactome; R-HSA-418555; G alpha (s) signalling events.
DR   SignaLink; Q01064; -.
DR   SIGNOR; Q01064; -.
DR   BioGRID-ORCS; 5153; 15 hits in 1074 CRISPR screens.
DR   EvolutionaryTrace; Q01064; -.
DR   GeneWiki; PDE1B; -.
DR   GenomeRNAi; 5153; -.
DR   Pharos; Q01064; Tclin.
DR   PRO; PR:Q01064; -.
DR   Proteomes; UP000005640; Chromosome 12.
DR   RNAct; Q01064; protein.
DR   Bgee; ENSG00000123360; Expressed in caudate nucleus and 104 other tissues.
DR   ExpressionAtlas; Q01064; baseline and differential.
DR   Genevisible; Q01064; HS.
DR   GO; GO:0005829; C:cytosol; IDA:UniProtKB.
DR   GO; GO:0043025; C:neuronal cell body; IBA:GO_Central.
DR   GO; GO:0004115; F:3',5'-cyclic-AMP phosphodiesterase activity; IDA:UniProtKB.
DR   GO; GO:0047555; F:3',5'-cyclic-GMP phosphodiesterase activity; IDA:UniProtKB.
DR   GO; GO:0004114; F:3',5'-cyclic-nucleotide phosphodiesterase activity; IBA:GO_Central.
DR   GO; GO:0005516; F:calmodulin binding; IEA:UniProtKB-KW.
DR   GO; GO:0048101; F:calmodulin-activated 3',5'-cyclic-GMP phosphodiesterase activity; IBA:GO_Central.
DR   GO; GO:0004117; F:calmodulin-activated dual specificity 3',5'-cyclic-GMP, 3',5'-cyclic-AMP phosphodiesterase activity; IDA:UniProtKB.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0097011; P:cellular response to granulocyte macrophage colony-stimulating factor stimulus; IDA:UniProtKB.
DR   GO; GO:0036006; P:cellular response to macrophage colony-stimulating factor stimulus; IDA:UniProtKB.
DR   GO; GO:0007626; P:locomotory behavior; IEA:Ensembl.
DR   GO; GO:0030224; P:monocyte differentiation; IEP:UniProtKB.
DR   GO; GO:0042053; P:regulation of dopamine metabolic process; IEA:Ensembl.
DR   GO; GO:0001505; P:regulation of neurotransmitter levels; IEA:Ensembl.
DR   GO; GO:0001975; P:response to amphetamine; IEA:Ensembl.
DR   GO; GO:0042428; P:serotonin metabolic process; IEA:Ensembl.
DR   GO; GO:0007165; P:signal transduction; IBA:GO_Central.
DR   GO; GO:0008542; P:visual learning; IEA:Ensembl.
DR   CDD; cd00077; HDc; 1.
DR   Gene3D; 1.10.1300.10; -; 1.
DR   InterPro; IPR003607; HD/PDEase_dom.
DR   InterPro; IPR023088; PDEase.
DR   InterPro; IPR002073; PDEase_catalytic_dom.
DR   InterPro; IPR036971; PDEase_catalytic_dom_sf.
DR   InterPro; IPR023174; PDEase_CS.
DR   InterPro; IPR013706; PDEase_N.
DR   Pfam; PF00233; PDEase_I; 1.
DR   Pfam; PF08499; PDEase_I_N; 1.
DR   PRINTS; PR00387; PDIESTERASE1.
DR   SMART; SM00471; HDc; 1.
DR   PROSITE; PS00126; PDEASE_I_1; 1.
DR   PROSITE; PS51845; PDEASE_I_2; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Alternative splicing; Calmodulin-binding; cAMP; cGMP;
KW   Cytoplasm; Hydrolase; Metal-binding; Phosphoprotein; Reference proteome;
KW   Zinc.
FT   CHAIN           1..536
FT                   /note="Dual specificity calcium/calmodulin-dependent 3',5'-
FT                   cyclic nucleotide phosphodiesterase 1B"
FT                   /id="PRO_0000198789"
FT   DOMAIN          146..503
FT                   /note="PDEase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01192"
FT   REGION          1..20
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          27..47
FT                   /note="Calmodulin-binding"
FT                   /evidence="ECO:0000250|UniProtKB:P14100"
FT   REGION          118..141
FT                   /note="Calmodulin-binding"
FT                   /evidence="ECO:0000250|UniProtKB:P14100"
FT   REGION          447..474
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          494..536
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        450..464
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        223
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250|UniProtKB:O76083"
FT   BINDING         227
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15260978,
FT                   ECO:0007744|PDB:1TAZ, ECO:0007744|PDB:4NPV,
FT                   ECO:0007744|PDB:4NPW"
FT   BINDING         263
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15260978,
FT                   ECO:0007744|PDB:1TAZ, ECO:0007744|PDB:4NPV,
FT                   ECO:0007744|PDB:4NPW"
FT   BINDING         264
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000269|PubMed:15260978,
FT                   ECO:0007744|PDB:1TAZ"
FT   BINDING         264
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15260978,
FT                   ECO:0007744|PDB:1TAZ, ECO:0007744|PDB:4NPV,
FT                   ECO:0007744|PDB:4NPW"
FT   BINDING         370
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:15260978,
FT                   ECO:0007744|PDB:1TAZ, ECO:0007744|PDB:4NPV,
FT                   ECO:0007744|PDB:4NPW"
FT   MOD_RES         7
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q01065"
FT   MOD_RES         15
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q01065"
FT   MOD_RES         466
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q01065"
FT   MOD_RES         514
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q01065"
FT   VAR_SEQ         1..18
FT                   /note="MELSPRSPPEMLEESDCP -> MANPVPVQRSHLQGPILR (in isoform
FT                   PDE1B2)"
FT                   /evidence="ECO:0000303|PubMed:11747989,
FT                   ECO:0000303|PubMed:14702039"
FT                   /id="VSP_038643"
FT   VAR_SEQ         19..38
FT                   /note="Missing (in isoform PDE1B2)"
FT                   /evidence="ECO:0000303|PubMed:11747989,
FT                   ECO:0000303|PubMed:14702039"
FT                   /id="VSP_038644"
FT   CONFLICT        225..226
FT                   /note="QI -> SM (in Ref. 2; AAA58405)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        337
FT                   /note="S -> A (in Ref. 2; AAA58405)"
FT                   /evidence="ECO:0000305"
FT   HELIX           152..158
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   TURN            159..162
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           168..174
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           179..190
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           193..196
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           201..215
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   TURN            216..218
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   STRAND          221..224
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           225..242
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           244..247
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           250..262
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   TURN            263..266
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           272..278
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           281..286
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           291..303
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           307..309
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   TURN            311..314
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           317..332
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           336..338
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           339..351
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           358..370
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           373..375
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           378..402
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           414..427
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   HELIX           429..444
FT                   /evidence="ECO:0007829|PDB:1TAZ"
FT   TURN            446..448
FT                   /evidence="ECO:0007829|PDB:5B25"
FT   HELIX           476..501
FT                   /evidence="ECO:0007829|PDB:1TAZ"
SQ   SEQUENCE   536 AA;  61380 MW;  D15211AC32C756A4 CRC64;
     MELSPRSPPE MLEESDCPSP LELKSAPSKK MWIKLRSLLR YMVKQLENGE INIEELKKNL
     EYTASLLEAV YIDETRQILD TEDELQELRS DAVPSEVRDW LASTFTQQAR AKGRRAEEKP
     KFRSIVHAVQ AGIFVERMFR RTYTSVGPTY STAVLNCLKN LDLWCFDVFS LNQAADDHAL
     RTIVFELLTR HNLISRFKIP TVFLMSFLDA LETGYGKYKN PYHNQIHAAD VTQTVHCFLL
     RTGMVHCLSE IELLAIIFAA AIHDYEHTGT TNSFHIQTKS ECAIVYNDRS VLENHHISSV
     FRLMQDDEMN IFINLTKDEF VELRALVIEM VLATDMSCHF QQVKTMKTAL QQLERIDKPK
     ALSLLLHAAD ISHPTKQWLV HSRWTKALME EFFRQGDKEA ELGLPFSPLC DRTSTLVAQS
     QIGFIDFIVE PTFSVLTDVA EKSVQPLADE DSKSKNQPSF QWRQPSLDVE VGDPNPDVVS
     FRSTWVKRIQ ENKQKWKERA ASGITNQMSI DELSPCEEEA PPSPAEDEHN QNGNLD
 
 
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