Summary for ORF45 of KSHV (NES ID: 80)

Full Name
Open reading frame 45 of Kaposi's sarcoma-associated herpesvirus 8     UniProt    
Alternative Names
None
Organism
Kaposi''s sarcoma-associated herpesvirus 8 (KSHV)    
Experimental Evidence for CRM1-mediated Export
Mutations That Affect Nuclear Export
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
Secondary Structure of Export Signal
Unknown
Other Residues Important for Export
Unknown
Sequence
Show FASTA Format Show Domain Info by CDD Show Secondary Structure by PSIPRED Show Conservation Score by AL2CO
10 20 30 40 50 60
MAMFVRTSSS THDEERMLPI EGAPRRRPPV KFIFPPPPLS SLPGFGRPRG YAGPTVIDMS
70 80 90 100 110 120
APDDVFAEDT PSPPATPLDL QISPDQSSGE SEYDEDEEDE DEEENDDVQE EDEPEGYPAD
130 140 150 160 170 180
FFQPLSHLRP RPLARRAHTP KPVAVVAGRV RSSTDTAESE ASMGWVSQDD GFSPAGLSPS
190 200 210 220 230 240
DDEGVAILEP MAAYTGTGAY GLSPASRNSV PGTQSSPYSD PDEGPSWRPL RAAPTAIVDL
250 260 270 280 290 300
TSDSDSDDSS NSPDVNNEAA FTDARHFSHQ PPSSEEDGED QGEVLSQRIG LMDVGQKRKR
310 320 330 340 350 360
QSTASSGSED VVRCQRQPNL SRKAVASVII ISSGSDTDEE PSSAVSVIVS PSSTKGHLPT
370 380 390 400
QSPSTSAHSI SSGSTTTAGS RCSDPTRILA STPPLCGNGA YNWPWLD
3D Structures in PDB
Not Available
Comments
The KSHV ORF45 is an immediate-early protein and is also a tegument component of viral particles. It inhibits activation of interferon regulatory factor 7 (IRF-7) to inhibit host innate antiviral response. ORF45 also interacts with p90 RSK1/RSK2, affecting essential in KSHV reactivation and lytic replication. KSHV ORF45 is mostly cytoplasmic but it shuttles as localization is LMB-sensitive. Its NES (residues 284-294) is adjacent to a monopartite classical-NLS 297-KRKR-300. NES mutation in full length protein mislocalized it and the isolated NES targets reporter to the cytoplasm.
References
[1]. "Identification of the nuclear export and adjacent nuclear localization signals for ORF45 of Kaposi's sarcoma-associated herpesvirus"
Li, X., Zhu, F. (2009) J. Virol., 83:2531-2539 PubMed
User Input
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