SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO15714  Validated by peptides from experiments
Annotation
PREDICTED:_uncharacterized_protein_LOC105381048_[Plutella_xylostella]
Full name
Proliferation marker protein Ki-67      
Alternative Name
Antigen identified by monoclonal antibody Ki-67
Location in the cell
Cytoplasmic   Reliability : 1.056 Extracellular   Reliability : 1.412 Mitochondrial   Reliability : 1.102
 

Sequence

CDS
ATGTCAGGAGGCTGTCTGGTGGTTCTTGACCGTAATGGTCGTTATGTCAAAAAGTACCCGTTGCCTGATGGATTGGCTACATTGGGTAGTGACCCTGCATGTGATATCCGTGTGATGCTACCAACTGTCTGTTCTCATCATGCAACTGTAGTTGTGCATGCTAATCAGACTGTTGTACGAAATATTGGCGATGGCGATACCTTAGTGAATGGAGAGCCTGTGAGTGTGGCAGCGCTTAAGCACTATGATGTGATTACTTTAGGTGATCGATCTCTACGCTGGCATTATGACAATCCAAATATCAGTAAAAAATTCCAGAAGATTGAACAAGGTATGATATTGTTGATTATGAAATTCTTAAAAAACATTATAAGCAAGTACAGTTTTCCTTAA
Protein
MSGGCLVVLDRNGRYVKKYPLPDGLATLGSDPACDIRVMLPTVCSHHATVVVHANQTVVRNIGDGDTLVNGEPVSVAALKHYDVITLGDRSLRWHYDNPNISKKFQKIEQGMILLIMKFLKNIISKYSFP

Summary

Description
Required to maintain individual mitotic chromosomes dispersed in the cytoplasm following nuclear envelope disassembly (PubMed:27362226). Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the chromosome surface (PubMed:27362226). Prevents chromosomes from collapsing into a single chromatin mass by forming a steric and electrostatic charge barrier: the protein has a high net electrical charge and acts as a surfactant, dispersing chromosomes and enabling independent chromosome motility (PubMed:27362226). Binds DNA, with a preference for supercoiled DNA and AT-rich DNA (PubMed:10878551). Does not contribute to the internal structure of mitotic chromosomes (By similarity). May play a role in chromatin organization (PubMed:24867636). It is however unclear whether it plays a direct role in chromatin organization or whether it is an indirect consequence of its function in maintaining mitotic chromosomes dispersed (Probable).
Subunit
Interacts with KIF15 (PubMed:10878014). Interacts (via the FHA domain) with NIFK (PubMed:11342549, PubMed:14659764, PubMed:16244663). Interacts with PPP1CC (PubMed:24867636). Part of a complex composed at least of ASCL2, EMSY, HCFC1, HSPA8, CCAR2, MATR3, MKI67, RBBP5, TUBB2A, WDR5 and ZNF335; this complex may have a histone H3-specific methyltransferase activity (PubMed:19131338, PubMed:23178126).
Keywords
3D-structure   Acetylation   Alternative splicing   ATP-binding   Cell cycle   Chromosome   Complete proteome   DNA-binding   Isopeptide bond   Nucleotide-binding   Nucleus   Phosphoprotein   Polymorphism   Reference proteome   Repeat   Ubl conjugation  
Feature
chain  Proliferation marker protein Ki-67
splice variant  In isoform Short.
sequence variant  In dbSNP:rs2071498.
EMBL
KZ150119    PZC73224.1    KQ460820    KPJ12109.1    KQ459199    KPJ02969.1    + More
AGBW02008963    OWR52066.1    LSMT01000290    PFX21132.1    GECZ01001553    JAS68216.1    GECZ01027395    JAS42374.1    KL217011    KFV72758.1    GECU01032300    JAS75406.1    GEBQ01021780    JAT18197.1    DS469659    EDO36884.1    GECZ01012131    JAS57638.1    GECZ01003463    JAS66306.1    EAAA01001584    IACM01135423    LAB39155.1    IACM01135424    LAB39156.1    GBYX01438309    JAO43044.1    RJVI01000001    ROR34677.1    KK687464    KFQ15185.1    KL513362    KFO87191.1    KK489663    KFQ63084.1    KB201977    ESO93083.1    KL447873    KFO78090.1    BT049483    ACI69284.2    KK366919    KFV41544.1    KL226002    KFM06715.1    KK636914    KFV58953.1    KK501100    KFP12666.1    KL308756    KFP52673.1    KK449719    KFQ72825.1    KL225167    KFW68393.1    KK939502    KFQ49578.1    KL409816    KFQ92012.1    KL482157    KFO08342.1    AERX01002294    AERX01002295    KL217818    KFO99269.1    KL281907    KFZ67728.1    KL418178    KFW85876.1    CP026260    AWP17479.1    KL873581    KGL99417.1    KK516965    KFP65074.1    KB375595    EMC84126.1    KL891498    KGL78864.1    AB775130    BAN83908.1    NHOQ01000843    PWA28382.1    AYCK01000749    AYCK01000750    KK544981    KFP32064.1    X65550    X65551    AL355529    AL390236    X94762    CAAE01014738    CAG04400.1    KL206121    KFV79030.1    KK733934    KFR01508.1    KL353206    KFZ60260.1    AZIL01001014    EWM25215.1    AGCU01074131    ADFV01087722    AAMC01014933    AAMC01014934   
Pfam
PF16697   Yop-YscD_cpl        + More
PF00498   FHA
PF15276   PP1_bind
PF08065   KI67R
Interpro
IPR000253   FHA_dom        + More
IPR032030   YscD_cytoplasmic_dom       
IPR008984   SMAD_FHA_dom_sf       
IPR029334   PP1-bd       
IPR012568   KI67R       
IPR017956   AT_hook_DNA-bd_motif       
SUPFAM
SSF49879   SSF49879       
PDB
1R21     E-value=3.23365e-09,     Score=140

Ontologies

Topology

Subcellular location
Chromosome   Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the mitotic chromosome surface (PubMed:27362226). Associates with satellite DNA in G1 phase (PubMed:9510506). Binds tightly to chromatin in interphase, chromatin-binding decreases in mitosis when it associates with the surface of the condensed chromosomes (PubMed:15896774, PubMed:22002106). Predominantly localized in the G1 phase in the perinucleolar region, in the later phases it is also detected throughout the nuclear interior, being predominantly localized in the nuclear matrix (PubMed:22002106).   With evidence from 30 publications.
Nucleus   Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the mitotic chromosome surface (PubMed:27362226). Associates with satellite DNA in G1 phase (PubMed:9510506). Binds tightly to chromatin in interphase, chromatin-binding decreases in mitosis when it associates with the surface of the condensed chromosomes (PubMed:15896774, PubMed:22002106). Predominantly localized in the G1 phase in the perinucleolar region, in the later phases it is also detected throughout the nuclear interior, being predominantly localized in the nuclear matrix (PubMed:22002106).   With evidence from 30 publications.
Nucleolus   Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the mitotic chromosome surface (PubMed:27362226). Associates with satellite DNA in G1 phase (PubMed:9510506). Binds tightly to chromatin in interphase, chromatin-binding decreases in mitosis when it associates with the surface of the condensed chromosomes (PubMed:15896774, PubMed:22002106). Predominantly localized in the G1 phase in the perinucleolar region, in the later phases it is also detected throughout the nuclear interior, being predominantly localized in the nuclear matrix (PubMed:22002106).   With evidence from 30 publications.
Length:
130
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.02773
Exp number, first 60 AAs:
0.00423
Total prob of N-in:
0.04551
outside
1  -  130
 
 

Population Genetic Test Statistics

Pi
213.460627
Theta
184.434231
Tajima's D
-0.793491
CLR
0
CSRT
0.179491025448728
Interpretation
Uncertain
Peptides ×
Source Sequence Identity Evalue
31250652 TGIEDLRFEEPGSGSGGASGGSSVRAAKGNASSASASAASKGGSSNKKGGAGAGGAASTSSGAAAGRAGKKAAAASASSPSKGKSSVAATAAVSVKEKRAAAAAKKKPAAAARKSGASAKAAAAKSAPKAKKTAKPPTKKPKAPKPKKATASTPKTKPSAKKASAASKK 98.68 3e-52
31250652 HYDVITLGDR 100.00 1e-07
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