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SUMO1_CERNI
ID   SUMO1_CERNI             Reviewed;         101 AA.
AC   Q9MZD5;
DT   16-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Small ubiquitin-related modifier 1;
DE            Short=SUMO-1;
DE   AltName: Full=Sentrin;
DE   Flags: Precursor;
GN   Name=SUMO1;
OS   Cervus nippon (Sika deer).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Cervidae;
OC   Cervinae; Cervus.
OX   NCBI_TaxID=9863;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Uterus;
RX   PubMed=15901557;
RA   Sun L.G., Jiang Y., Yu Y.L.;
RT   "Discovery of Cervus nippon Temminck-derived sentrin/SUMO.";
RL   Yi Chuan 24:22-26(2002).
CC   -!- FUNCTION: Ubiquitin-like protein that can be covalently attached to
CC       proteins as a monomer or a lysine-linked polymer. Covalent attachment
CC       via an isopeptide bond to its substrates requires prior activation by
CC       the E1 complex SAE1-SAE2 and linkage to the E2 enzyme UBE2I, and can be
CC       promoted by E3 ligases such as PIAS1-4, RANBP2 or CBX4. This post-
CC       translational modification on lysine residues of proteins plays a
CC       crucial role in a number of cellular processes such as nuclear
CC       transport, DNA replication and repair, mitosis and signal transduction.
CC       Involved for instance in targeting RANGAP1 to the nuclear pore complex
CC       protein RANBP2. Covalently attached to the voltage-gated potassium
CC       channel KCNB1; this modulates the gating characteristics of KCNB1.
CC       Polymeric SUMO1 chains are also susceptible to polyubiquitination which
CC       functions as a signal for proteasomal degradation of modified proteins.
CC       May also regulate a network of genes involved in palate development.
CC       Covalently attached to ZFHX3. {ECO:0000250|UniProtKB:P63165,
CC       ECO:0000250|UniProtKB:P63166}.
CC   -!- SUBUNIT: Covalently attached to KCNB1; UBE2I increases cross-linking
CC       with KCNB1 and PIAS1 decreases cross-links with KCNB1 (By similarity).
CC       Interacts with SAE2, RANBP2, PIAS1 and PIAS2 (By similarity). Interacts
CC       with PRKN (By similarity). Covalently attached to a number of proteins
CC       such as IKFZ1, PML, RANGAP1, HIPK2, SP100, p53, p73-alpha, MDM2, JUN,
CC       DNMT3B and TDG (By similarity). Also interacts with HIF1A, HIPK2,
CC       HIPK3, CHD3, EXOSC9, RAD51 and RAD52 (By similarity). Interacts with
CC       USP25 (via ts SIM domain); the interaction weakly sumoylates USP25 (By
CC       similarity). Interacts with SIMC1, CASP8AP2, RNF111 AND SOBP (via SIM
CC       domains) (By similarity). Interacts with BHLHE40/DEC1 (By similarity).
CC       Interacts with RWDD3 (By similarity). Interacts with UBE2I/UBC9 and
CC       this interaction is enhanced in the presence of RWDD3 (By similarity).
CC       Interacts with MTA1 (By similarity). Interacts with SENP2 (By
CC       similarity). Interacts with HINT1 (By similarity).
CC       {ECO:0000250|UniProtKB:P63165, ECO:0000250|UniProtKB:P63166}.
CC   -!- SUBCELLULAR LOCATION: Nucleus membrane {ECO:0000250|UniProtKB:P63165}.
CC       Nucleus speckle {ECO:0000250|UniProtKB:P63166}. Cytoplasm
CC       {ECO:0000250|UniProtKB:P63165}. Nucleus, PML body
CC       {ECO:0000250|UniProtKB:P63165}. Cell membrane
CC       {ECO:0000250|UniProtKB:P63165}. Nucleus {ECO:0000250|UniProtKB:P63165}.
CC       Note=Recruited by BCL11A into the nuclear body (By similarity). In the
CC       presence of ZFHX3, sequesterd to nuclear body (NB)-like dots in the
CC       nucleus some of which overlap or closely associate with PML body (By
CC       similarity). {ECO:0000250|UniProtKB:P63165,
CC       ECO:0000250|UniProtKB:P63166}.
CC   -!- PTM: Cleavage of precursor form by SENP1, SENP2 is necessary for
CC       function. {ECO:0000250|UniProtKB:P63165}.
CC   -!- PTM: Polymeric SUMO1 chains undergo polyubiquitination by RNF4.
CC       {ECO:0000250|UniProtKB:P63165}.
CC   -!- SIMILARITY: Belongs to the ubiquitin family. SUMO subfamily.
CC       {ECO:0000305}.
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DR   EMBL; AF242526; AAF97049.1; -; mRNA.
DR   AlphaFoldDB; Q9MZD5; -.
DR   SMR; Q9MZD5; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0031965; C:nuclear membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016607; C:nuclear speck; IEA:UniProtKB-SubCell.
DR   GO; GO:0097165; C:nuclear stress granule; ISS:UniProtKB.
DR   GO; GO:0005886; C:plasma membrane; ISS:UniProtKB.
DR   GO; GO:0016605; C:PML body; ISS:UniProtKB.
DR   GO; GO:0015459; F:potassium channel regulator activity; ISS:UniProtKB.
DR   GO; GO:0008134; F:transcription factor binding; ISS:AgBase.
DR   GO; GO:0031625; F:ubiquitin protein ligase binding; ISS:UniProtKB.
DR   GO; GO:0071276; P:cellular response to cadmium ion; ISS:UniProtKB.
DR   GO; GO:0034605; P:cellular response to heat; ISS:UniProtKB.
DR   GO; GO:0045759; P:negative regulation of action potential; ISS:UniProtKB.
DR   GO; GO:1902260; P:negative regulation of delayed rectifier potassium channel activity; ISS:UniProtKB.
DR   GO; GO:0016925; P:protein sumoylation; ISS:UniProtKB.
DR   GO; GO:0060021; P:roof of mouth development; ISS:UniProtKB.
DR   CDD; cd16114; Ubl_SUMO1; 1.
DR   InterPro; IPR022617; Rad60/SUMO-like_dom.
DR   InterPro; IPR046332; SUMO1_Ubl.
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; Cell membrane; Cytoplasm; Isopeptide bond; Membrane; Nucleus;
KW   Phosphoprotein; Ubl conjugation; Ubl conjugation pathway.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CHAIN           2..97
FT                   /note="Small ubiquitin-related modifier 1"
FT                   /id="PRO_0000035937"
FT   PROPEP          98..101
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000035938"
FT   DOMAIN          20..97
FT                   /note="Ubiquitin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00214"
FT   SITE            36
FT                   /note="Interaction with PIAS2"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         2
FT                   /note="N-acetylserine"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   MOD_RES         2
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   MOD_RES         9
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   MOD_RES         32
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        7
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO1); alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        7
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2); alternate"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        16
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        17
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        23
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        25
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO1)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        37
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        39
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        45
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        46
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2)"
FT                   /evidence="ECO:0000250|UniProtKB:P63165"
FT   CROSSLNK        97
FT                   /note="Glycyl lysine isopeptide (Gly-Lys) (interchain with
FT                   K-? in acceptor proteins)"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00214"
SQ   SEQUENCE   101 AA;  11566 MW;  89A1AAD2D054FB33 CRC64;
     MSDQEAKPST EDLGDKKEGE YIKLKVIGQD SSEIHFKVKM TTHLKKLKES YCQRQGVPMN
     SLRFLFEGQR IADNHTPKEL GMEEEDVIEV YHEQTGGHST V
 
 
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