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SUMO2_CRIGR
ID   SUMO2_CRIGR             Reviewed;          95 AA.
AC   Q6LDZ8;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 100.
DE   RecName: Full=Small ubiquitin-related modifier 2 {ECO:0000305};
DE            Short=SUMO-2 {ECO:0000305};
DE   AltName: Full=MIF2 suppressor {ECO:0000312|EMBL:AAR24618.1};
DE   Flags: Precursor;
GN   Name=SUMO2;
OS   Cricetulus griseus (Chinese hamster) (Cricetulus barabensis griseus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC   Cricetidae; Cricetinae; Cricetulus.
OX   NCBI_TaxID=10029;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Ovary;
RA   Mannen H., Li S.S.-L.;
RL   Submitted (DEC-2001) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Ubiquitin-like protein that can be covalently attached to
CC       proteins as a monomer or as a lysine-linked polymer. Covalent
CC       attachment via an isopeptide bond to its substrates requires prior
CC       activation by the E1 complex SAE1-SAE2 and linkage to the E2 enzyme
CC       UBE2I, and can be promoted by an E3 ligase such as PIAS1-4, RANBP2 or
CC       CBX4. This post-translational modification on lysine residues of
CC       proteins plays a crucial role in a number of cellular processes such as
CC       nuclear transport, DNA replication and repair, mitosis and signal
CC       transduction. Polymeric SUMO2 chains are also susceptible to
CC       polyubiquitination which functions as a signal for proteasomal
CC       degradation of modified proteins. Plays a role in the regulation of
CC       sumoylation status of SETX (By similarity).
CC       {ECO:0000250|UniProtKB:P61956}.
CC   -!- SUBUNIT: Interacts with SAE2 and UBE2I. Interacts with ZNF451.
CC       Identified in a complex with ZNF451 and UBE2I/UBC9, where one ZNF451
CC       interacts with one UBE2I/UBC9 and two SUMO2 chains, one bound to the
CC       UBE2I/UBC9 active site and the other to another region of the same
CC       UBE2I/UBC9 molecule. Covalently attached to a number of proteins.
CC       Interacts with PELP1. Interacts with USP25; the interaction sumoylates
CC       USP25. Interacts with SIMC1, CASP8AP2, RNF111 AND SOBP (via SIM
CC       domains). Interacts with MTA1 (By similarity). Interacts with HINT1 (By
CC       similarity). Interacts with GCNA (via SIM domains); this interaction
CC       allows the GCNA recruitment to DPCs sites (By similarity).
CC       {ECO:0000250|UniProtKB:P61956, ECO:0000250|UniProtKB:P61957}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000250}. Nucleus, PML body
CC       {ECO:0000250}.
CC   -!- PTM: Polymeric chains can be formed through Lys-11 cross-linking.
CC       Polymeric SUMO2 chains undergo 'Lys-6'-, 'Lys-11'-, 'Lys-48'- and 'Lys-
CC       63'-linked polyubiquitination by RNF4 (By similarity). {ECO:0000250}.
CC   -!- PTM: Cleavage of precursor form by SENP1 or SENP2 is necessary for
CC       function. {ECO:0000250}.
CC   -!- PTM: Monoubiquitinated N-terminally by UBE2W, which primes it for RNF4-
CC       dependent polyubiquitination by the UBE2V1-UBE2N heterodimer.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the ubiquitin family. SUMO subfamily.
CC       {ECO:0000305}.
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DR   EMBL; L79950; AAR24618.1; -; mRNA.
DR   RefSeq; NP_001231073.1; NM_001244144.1.
DR   AlphaFoldDB; Q6LDZ8; -.
DR   SMR; Q6LDZ8; -.
DR   STRING; 10029.NP_001231073.1; -.
DR   Ensembl; ENSCGRT00001020609; ENSCGRP00001016365; ENSCGRG00001016720.
DR   GeneID; 100689105; -.
DR   KEGG; cge:100689105; -.
DR   CTD; 6613; -.
DR   eggNOG; KOG1769; Eukaryota.
DR   GeneTree; ENSGT00950000182895; -.
DR   OrthoDB; 1583700at2759; -.
DR   GO; GO:0016605; C:PML body; ISS:UniProtKB.
DR   GO; GO:0019789; F:SUMO transferase activity; IEA:Ensembl.
DR   GO; GO:0031625; F:ubiquitin protein ligase binding; ISS:UniProtKB.
DR   GO; GO:0032436; P:positive regulation of proteasomal ubiquitin-dependent protein catabolic process; IEA:Ensembl.
DR   GO; GO:0045944; P:positive regulation of transcription by RNA polymerase II; IEA:Ensembl.
DR   GO; GO:0016925; P:protein sumoylation; ISS:UniProtKB.
DR   InterPro; IPR022617; Rad60/SUMO-like_dom.
DR   InterPro; IPR000626; Ubiquitin-like_dom.
DR   InterPro; IPR029071; Ubiquitin-like_domsf.
DR   Pfam; PF11976; Rad60-SLD; 1.
DR   SMART; SM00213; UBQ; 1.
DR   SUPFAM; SSF54236; SSF54236; 1.
DR   PROSITE; PS50053; UBIQUITIN_2; 1.
PE   3: Inferred from homology;
KW   Acetylation; Isopeptide bond; Nucleus; Ubl conjugation;
KW   Ubl conjugation pathway.
FT   CHAIN           1..93
FT                   /note="Small ubiquitin-related modifier 2"
FT                   /id="PRO_0000035947"
FT   PROPEP          94..95
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000035948"
FT   DOMAIN          16..95
FT                   /note="Ubiquitin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00214"
FT   MOD_RES         11
FT                   /note="N6-acetyllysine; alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        1
FT                   /note="Peptide (Met-Gly) (interchain with G-Cter in
FT                   ubiquitin)"
FT                   /evidence="ECO:0000250"
FT   CROSSLNK        5
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        7
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        11
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO); alternate"
FT                   /evidence="ECO:0000250"
FT   CROSSLNK        11
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO1); alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        11
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2); alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        11
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in ubiquitin); alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        21
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P61956"
FT   CROSSLNK        93
FT                   /note="Glycyl lysine isopeptide (Gly-Lys) (interchain with
FT                   K-? in acceptor proteins)"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00214"
SQ   SEQUENCE   95 AA;  10871 MW;  F8F0426849BEF08B CRC64;
     MADEKPKEGV KTENNDHINL KVAGQDGSVV QFKIKRHTPL SKLMKAYCER QGLSMRQIRF
     RFDGQPINET DTPAQLEMED EDTIDVFQQQ TGGVY
 
 
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