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RNAS2_CHLAE
ID   RNAS2_CHLAE             Reviewed;         160 AA.
AC   Q8SPY6;
DT   12-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Non-secretory ribonuclease;
DE            EC=4.6.1.18 {ECO:0000250|UniProtKB:P47784};
DE   AltName: Full=Eosinophil-derived neurotoxin;
DE   AltName: Full=RNase UpI-2;
DE   AltName: Full=Ribonuclease 2;
DE            Short=RNase 2;
DE   AltName: Full=Ribonuclease US;
DE   Flags: Precursor;
GN   Name=RNASE2; Synonyms=EDN, RNS2;
OS   Chlorocebus aethiops (Green monkey) (Cercopithecus aethiops).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini;
OC   Cercopithecidae; Cercopithecinae; Chlorocebus.
OX   NCBI_TaxID=9534;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=11917138; DOI=10.1073/pnas.072626199;
RA   Zhang J., Rosenberg H.F.;
RT   "Complementary advantageous substitutions in the evolution of an antiviral
RT   RNase of higher primates.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:5486-5491(2002).
CC   -!- FUNCTION: This is a non-secretory ribonuclease. It is a pyrimidine
CC       specific nuclease with a slight preference for U. Cytotoxin and
CC       helminthotoxin. Possesses a wide variety of biological activities (By
CC       similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an [RNA] containing cytidine + H2O = an [RNA]-3'-cytidine-3'-
CC         phosphate + a 5'-hydroxy-ribonucleotide-3'-[RNA].; EC=4.6.1.18;
CC         Evidence={ECO:0000250|UniProtKB:P47784};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an [RNA] containing uridine + H2O = an [RNA]-3'-uridine-3'-
CC         phosphate + a 5'-hydroxy-ribonucleotide-3'-[RNA].; EC=4.6.1.18;
CC         Evidence={ECO:0000250|UniProtKB:P47784};
CC   -!- SUBUNIT: Interacts with and forms a tight 1:1 complex with RNH1.
CC       Dimerization of two such complexes may occur (By similarity).
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Lysosome {ECO:0000305}. Cytoplasmic granule
CC       {ECO:0000250}. Note=Matrix of eosinophil's large specific granule.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the pancreatic ribonuclease family.
CC       {ECO:0000305}.
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DR   EMBL; AF479630; AAM14437.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8SPY6; -.
DR   SMR; Q8SPY6; -.
DR   GO; GO:0005764; C:lysosome; IEA:UniProtKB-SubCell.
DR   GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0004522; F:ribonuclease A activity; IEA:UniProtKB-EC.
DR   Gene3D; 3.10.130.10; -; 1.
DR   InterPro; IPR001427; RNaseA.
DR   InterPro; IPR036816; RNaseA-like_dom_sf.
DR   InterPro; IPR023411; RNaseA_AS.
DR   InterPro; IPR023412; RNaseA_domain.
DR   PANTHER; PTHR11437; PTHR11437; 1.
DR   Pfam; PF00074; RnaseA; 1.
DR   PRINTS; PR00794; RIBONUCLEASE.
DR   SMART; SM00092; RNAse_Pc; 1.
DR   SUPFAM; SSF54076; SSF54076; 1.
DR   PROSITE; PS00127; RNASE_PANCREATIC; 1.
PE   3: Inferred from homology;
KW   Disulfide bond; Endonuclease; Glycoprotein; Hydrolase; Lyase; Lysosome;
KW   Nitration; Nuclease; Signal.
FT   SIGNAL          1..27
FT                   /evidence="ECO:0000250"
FT   CHAIN           28..160
FT                   /note="Non-secretory ribonuclease"
FT                   /id="PRO_0000030872"
FT   ACT_SITE        42
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        155
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   BINDING         65..69
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         60
FT                   /note="3'-nitrotyrosine"
FT                   /evidence="ECO:0000250|UniProtKB:P10153"
FT   CARBOHYD        34
FT                   /note="C-linked (Man) tryptophan"
FT                   /evidence="ECO:0000250|UniProtKB:P10153"
FT   CARBOHYD        44
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        92
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        111
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        118
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        138
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        50..110
FT                   /evidence="ECO:0000250"
FT   DISULFID        64..122
FT                   /evidence="ECO:0000250"
FT   DISULFID        82..137
FT                   /evidence="ECO:0000250"
FT   DISULFID        89..98
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   160 AA;  17826 MW;  FEBCC32BB6EDE617 CRC64;
     MVPKLFTSPI CLLLLLGLMG VEGSLHAKPG QFTWAQWFEI QHINMTSGQC TNAMLVINNY
     QRRCKNQNTF LLTTFADVVH VCGNPSMPCP SNTSLNNCHH SGVQVPLIHC NLTTPSQNIS
     NCKYTQTTAN KFYIVACNNS DPVRDPPQYP VVPVHLDRVI
 
 
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