SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO14694
Pre Gene Modal
BGIBMGA009620
Annotation
PREDICTED:_LOW_QUALITY_PROTEIN:_E3_ubiquitin-protein_ligase_RFWD2-like_[Plutella_xylostella]
Full name
E3 ubiquitin-protein ligase COP1      
Alternative Name
Constitutive photomorphogenesis protein 1 homolog
RING finger and WD repeat domain protein 2
RING finger protein 200
RING-type E3 ubiquitin transferase RFWD2
Location in the cell
Nuclear   Reliability : 1.065
 

Sequence

CDS
ATGATTCAATTAGAAAGTAGCGCGGGCGCGGTGTGCTCGGAGGAGGAGAGCTTCGCGGGCGGCGCGGGGGGCGGGGGGGACGCCCTGGCCGCGCGCTGGAGGAAGCTCACGCAACACTTCGACGACTTCGTGCAGTGTTACTTCGCGCACCGCGCTGACGAGCTGTACTTCCCGGGGTCGGGGTCGCTGACCCCCGCGTCCCCCGCCGTCCCCGCCTACCCCGCACCCCCCACCGTGACCCCCGTGCCCTCCTCGGCGGCCCCGTACACGTGCGAGGCGGACCACGTGCCGCAGGGTCCGGTGTGCGACCCGCAACCAACTCCTGCACCGGGTCCGTCGGACCAGCGGGCGCCGGTGGCGGGCGTGGCGGTCGAGGACTCCGTGGAGATGGAGGAGGCCGGCTCCACTCGAGCCCGCGCCGGACTCGACGCCTTCCGGGACGACCTGGTCGCTTTCACCGCCTACAGGACGCTACGGCCGCTGGCCACGCTGTCGTACTGCAGCGACGCCATCAACTACTCCACGATCGTGTCCACCATCGAGTTCGACAAGGACGAGGAGTTCTTCGCGATCGCCGGCGTCACCAAGAGGATCAAGGTGTTCGAGTTCGAGTCGGTGGTGCGCGACGCGGTGGACGTGCACTACCCGTGCGCAGAGATGCAGTGCTCGCACAAGATCTCGTGCGTGTCGTGGAACAAGTACCACAAGCACGTGCTGGCGTCGTCGGACTACGAGGGCACGGTGTCGGTGTGGGACGCGGGCACGGCGGTGCGCACGCGCGCGCTGCAGGAGCACGACAAGCGCGCCTGGTCCGTGCACTTCAACCGCGCCGACGTGCGCCTGCTGGCCTCGGGCTCCGACGACGCGCGCGTCAAGCTGTGGGCGCTCAACCAGGAGAAGTCCGTCGCCACGCTCGAGGCCAAGTTCAACGTGTGCTGCGTGCGCTTCAACCCCAACTCGTCCTGCCACCTGGCCTTCGGCTCCGCAGACCACTGCGTGCACTACTACGACCTGCGCTCGCCGCGCGCGCCGCTGGCCGTGTTCCGGGACCACCGCAAGGCGGTCTCGTACGTGAAGTTCCTGGACGGCGGCACGCTGGTGTCCGCCTCCACGGACTCGCAGCTCAAGCTGTGGCGCGTGGAGTCCCCGCGCTGCGTGCGCTCCTTCACCGGACACACCAACGAGAAGAACTTTGTGGGGCTGGCCACCGACGGCCGCTACGTGGCGTGCGGCTCGGAGAACAACGCGCTCTACGTGTACCACAGCGGCCTGGCGCGCCCCTGCCTCGCCTACAGGTTCGACCCCGCGCGCCCCCTCCTCGAGCGCGACCGCCGCGACGAGGAGCCCGCAGAGTTCGTCTCCGCCGTCTGCTGGAGGAGGGCGGCCTCCCGCCCCGCCCTCCTCGCCGCCAACAGCCACGGCACCATCAAGGTCCTCGAGCTCGTCTGA
Protein
MIQLESSAGAVCSEEESFAGGAGGGGDALAARWRKLTQHFDDFVQCYFAHRADELYFPGSGSLTPASPAVPAYPAPPTVTPVPSSAAPYTCEADHVPQGPVCDPQPTPAPGPSDQRAPVAGVAVEDSVEMEEAGSTRARAGLDAFRDDLVAFTAYRTLRPLATLSYCSDAINYSTIVSTIEFDKDEEFFAIAGVTKRIKVFEFESVVRDAVDVHYPCAEMQCSHKISCVSWNKYHKHVLASSDYEGTVSVWDAGTAVRTRALQEHDKRAWSVHFNRADVRLLASGSDDARVKLWALNQEKSVATLEAKFNVCCVRFNPNSSCHLAFGSADHCVHYYDLRSPRAPLAVFRDHRKAVSYVKFLDGGTLVSASTDSQLKLWRVESPRCVRSFTGHTNEKNFVGLATDGRYVACGSENNALYVYHSGLARPCLAYRFDPARPLLERDRRDEEPAEFVSAVCWRRAASRPALLAANSHGTIKVLELV

Summary

Description
E3 ubiquitin-protein ligase that mediates ubiquitination and subsequent proteasomal degradation of target proteins. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Involved in JUN ubiquitination and degradation. Directly involved in p53 (TP53) ubiquitination and degradation, thereby abolishing p53-dependent transcription and apoptosis. Ubiquitinates p53 independently of MDM2 or RCHY1. Probably mediates E3 ubiquitin ligase activity by functioning as the essential RING domain subunit of larger E3 complexes. In contrast, it does not constitute the catalytic RING subunit in the DCX DET1-COP1 complex that negatively regulates JUN, the ubiquitin ligase activity being mediated by RBX1. Involved in 14-3-3 protein sigma/SFN ubiquitination and proteasomal degradation, leading to AKT activation and promotion of cell survival. Ubiquitinates MTA1 leading to its proteasomal degradation. Upon binding to TRIB1, ubiquitinates CEBPA, which lacks a canonical COP1-binding motif (Probable).
Catalytic Activity
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine.
Subunit
Homodimer. Homodimerization is mediated by the coiled coil domain. Component of the DCX DET1-COP1 ubiquitin ligase complex at least composed of RBX1, DET1, DDB1, CUL4A and COP1. Isoform 2 does not interact with CUL4A but still binds to RBX1, suggesting that the interaction may be mediated by another cullin protein. Isoform 1 and isoform 2 interact with CUL5 but not with CUL1, CUL2 not CUL3. Interacts with bZIP transcription factors JUN, JUNB and JUND but not with FOS, ATF2 nor XBP1. Interacts with p53 (TP53). Interacts with COPS6; this interaction stabilizes RFWD2 through reducing its auto-ubiquitination and decelerating its turnover rate. Interacts with SFN; this interaction leads to SFN degradation. Isoform 4 forms heterodimers with isoform 1, preventing its association with DET1. Interacts with p53/TP53 and MTA1. Interacts with TRIB1 (via C-terminus) and TRIB2 (PubMed:20410507, PubMed:27041596).
Similarity
Belongs to the COP1 family.
Keywords
3D-structure   Alternative splicing   Coiled coil   Complete proteome   Cytoplasm   Metal-binding   Nucleus   Reference proteome   Repeat   Transferase   Ubl conjugation   Ubl conjugation pathway   WD repeat   Zinc   Zinc-finger  
Feature
chain  E3 ubiquitin-protein ligase COP1
splice variant  In isoform 3.
EC Number
2.3.2.27
EMBL
BABH01036433    BABH01036434    BABH01036435    ODYU01007377    SOQ50083.1    KQ461108    + More
KPJ08972.1    AGBW02009260    OWR51243.1    NWSH01002382    PCG68426.1    KZ150253    PZC71799.1    GEBQ01020465    JAT19512.1    GEDC01026357    JAS10941.1    PYGN01000528    PSN44774.1    GECU01009202    JAS98504.1    GECZ01021343    JAS48426.1    GDKW01003371    JAI53224.1    LBMM01001743    KMQ95825.1    KQ976423    KYM88754.1    NEVH01023957    PNF17804.1    ADTU01000886    AAZX01008222    KQ414581    KOC71003.1    GL446502    EFN87676.1    NNAY01000297    OXU29379.1    KZ288271    PBC29833.1    KQ435812    KOX72753.1    ACPB03024616    KQ434803    KZC05946.1    GECL01001995    JAP04129.1    KQ971312    EEZ97982.1    GFTR01007584    JAW08842.1    GBHO01033174    GBHO01033173    GDHC01008730    JAG10430.1    JAG10431.1    JAQ09899.1    KQ760549    OAD59875.1    KK856260    PTY25326.1    LJIG01002847    KRT84093.1    GDHC01007003    JAQ11626.1    KK852811    KDR15937.1    GFJQ02000055    JAW06915.1    GANP01003086    JAB81382.1    GGLE01006573    MBY10699.1    GFWV01002787    MAA27517.1    DS235845    EEB18339.1    GEZM01031084    GEZM01031083    JAV85072.1    GEDV01000687    JAP87870.1    GFPF01007507    MAA18653.1    GFPF01007458    MAA18604.1    GEDV01007370    JAP81187.1    GACK01006815    JAA58219.1    GEFH01004936    JAP63645.1    ABLF02034147    GFXV01003218    MBW15023.1    GGMR01017439    MBY30058.1    KK107321    EZA52694.1    APGK01053202    KB741222    KB631665    ENN72402.1    ERL85146.1    GFAC01001996    JAT97192.1    HADY01014585    SBP53070.1    AFFK01019697    BC091284    AAH91284.1    JW865412    AFO97929.1    GFFV01002359    JAV37586.1    HAAF01003812    CCP75637.1    JU327299    AFE71055.1    AF508940    BK000438    AF527539    AY509921    KJ534928    KJ535076    AK025789    AK314750    AL162736    AL359265    AL513329    AL590723    CH471067    BC094728    MNPL01002182    OQR78480.1    JH000242    EGV96157.1    MUZQ01000049    OWK60895.1    AKCR02000021    PKK27247.1    PKK27246.1    AGCU01203946    AGCU01203947    AGCU01203948    AGCU01203949    AGCU01203950    NBAG03000235    PNI67549.1    NDHI03003464    PNJ42804.1    KN122390    KFO30665.1    KJ534933    AHW56573.1    FR904722    CDQ70546.1    AGTO01011210   
Pfam
PF00400   WD40        + More
PF00883   Peptidase_M17
PF02789   Peptidase_M17_N
Interpro
IPR036322   WD40_repeat_dom_sf        + More
IPR001841   Znf_RING       
IPR001680   WD40_repeat       
IPR017986   WD40_repeat_dom       
IPR013083   Znf_RING/FYVE/PHD       
IPR017907   Znf_RING_CS       
IPR015943   WD40/YVTN_repeat-like_dom_sf       
IPR020472   G-protein_beta_WD-40_rep       
IPR019775   WD40_repeat_CS       
IPR003613   Ubox_domain       
IPR008283   Peptidase_M17_N       
IPR011356   Leucine_aapep/pepB       
IPR000819   Peptidase_M17_C       
SUPFAM
SSF50978   SSF50978       
Gene 3D
PDB
5HQG     E-value=8.58299e-119,     Score=1093

Ontologies

Topology

Subcellular location
Nucleus speckle  
Cytoplasm  
Length:
482
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.00133
Exp number, first 60 AAs:
0.00011
Total prob of N-in:
0.00121
outside
1  -  482
 
 

Population Genetic Test Statistics

Pi
193.351058
Theta
135.554876
Tajima's D
1.473201
CLR
0
CSRT
0.774061296935153
Interpretation
Uncertain
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