3TPO,1WA5,4B8J,5TBK


Conserved Protein Domain Family
IBB

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pfam01749: IBB (This model is not part of the current CDD release)
Importin beta binding domain
This family consists of the importin alpha (karyopherin alpha), importin beta (karyopherin beta) binding domain. The domain mediates formation of the importin alpha beta complex; required for classical NLS import of proteins into the nucleus, through the nuclear pore complex and across the nuclear envelope. Also in the alignment is the NLS of importin alpha which overlaps with the IBB domain.
Statistics
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PSSM-Id: 514471
Aligned: 161 rows
Threshold Bit Score: 70.2998
Created: 13-Feb-2025
Updated: 28-Apr-2025
Structure
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Program:
Drawing:
Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
3TPO_A        13 RLNRFKNKGkDSTEMRRRRIEVNVELRKAKKDEQMLKRRNVSS-----------FPDDATSPLQenrN--N-QGTVNWSV 78  house mouse
NP_001141568  12 RKGNYKQTV-DAEESRRRREGQMVDIRKAKREESLQKKRRDGFpaagav-------------ppmghS--TaLQQKLDGL 75 
XP_006645862  12 RQKSYKASV-DGDVGRLRRQVITVEIRKENRDRALNEKRRRAAaasdgs-------------pqaasS--PaVEKKLESL 75 
XP_002182420  10 HRGHFKKTV-DVEDSRRSREETTLHIRKAKKDARMAKRPAAGMlmnsgdntyagMMEDQANDGSdgnvarslaaSKLEQL 88 
XP_067744267  11 RKNFFKKGI-DSDESRRSRMETTVQIRKTIKEDRMNQRRRMTPgdsgsaattgmGDAAg--------E--LsLMQRLSEL 79 
XP_002896684  11 RKNLFKKGI-DADESRRSRMETTVQIRKTIKEDRMNQRRRMTPaddgvaataavGDATg--------E--MtLQQRLSEL 79 
XP_001419614  12 RKKGFKKAI-DADEARRKREDNMIQIRKDKREEAMMKKRSVASdstam--------------tgspgG--GsVQSKLAQL 74 
XP_003057280  11 RKKGFKKAT-DADEARRKREEGMIQIRKDKREEAMLKKRRFADgmgvta------------vgedssA--TtSVARLEML 75 
XP_002508520  10 RKKGFKKVI-DADEARRKREEGMIQIRKDKREEAFLKKRRDGAatqgd--------------stssaA--TnNVAKLESL 72 
XP_002957574   8 RKKEYKKGI-DAEEARRKREDNIIALRQNKRDENLQKKRSTFApasatanfgieDSTKNSVGR-----------HQLDEL 75 
3TPO_A        79 EDIVKGINSNNLESQLQATQ 98  house mouse
NP_001141568  76 PAMVQAVHSNDPTVQLEATT 95 
XP_006645862  76 PILMEALSSDDSSMQLEATM 95 
XP_002182420  89 PAMVQGVMGNDPAVQTECTT 108
XP_067744267  80 PQMVTGVQSSDADVQLEAVT 99 
XP_002896684  80 PEMVACVQSGDAAVQLEAVT 99 
XP_001419614  75 PQMLEALKNPDPNVQLEATI 94 
XP_003057280  76 PTMCEGVRSQDPAAQLEATT 95 
XP_002508520  73 PQMVEGVKSNDPRIQVEATT 92 
XP_002957574  76 PMMVHGVFHGNTSEQYDATQ 95 
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