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7CRU

hnRNPK NLS in complex with Importin alpha 1 (KPNA2)

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0006606biological_processprotein import into nucleus
A0061608molecular_functionnuclear import signal receptor activity
C0005737cellular_componentcytoplasm
C0006606biological_processprotein import into nucleus
C0061608molecular_functionnuclear import signal receptor activity
Functional Information from PDB Data
site_idAC1
Number of Residues2
Detailsbinding site for residue ACT A 601
ChainResidue
AGLU180
BARG37

site_idAC2
Number of Residues2
Detailsbinding site for residue ACT D 101
ChainResidue
CGLU180
DARG37

site_idAC3
Number of Residues3
Detailsbinding site for residue GOL C 601
ChainResidue
CGLN371
CTHR409
CGLU411

site_idAC4
Number of Residues3
Detailsbinding site for residue ACT C 602
ChainResidue
CASN346
CALA304
CSER305

site_idAC5
Number of Residues5
Detailsbinding site for residue ACT C 603
ChainResidue
CLYS353
CGLU354
CTRP357
CGLU396
DGLU25

site_idAC6
Number of Residues1
Detailsbinding site for residue ACT C 604
ChainResidue
CASP270

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P61979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"25114211","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"25218447","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues78
DetailsRepeat: {"description":"ARM 2"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues82
DetailsRepeat: {"description":"ARM 3"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues88
DetailsRepeat: {"description":"ARM 4"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues72
DetailsRepeat: {"description":"ARM 5"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues78
DetailsRepeat: {"description":"ARM 6"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues78
DetailsRepeat: {"description":"ARM 7"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues84
DetailsRepeat: {"description":"ARM 8"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues92
DetailsRepeat: {"description":"ARM 9"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues78
DetailsRepeat: {"description":"ARM 10; atypical"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues192
DetailsRegion: {"description":"NLS binding site (major)","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues176
DetailsRegion: {"description":"NLS binding site (minor)","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

251801

PDB entries from 2026-04-08

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