Structure of PDB 6wba Chain A

Receptor sequence

>6wbaA (length=426) Species: 10090 (Mus musculus)

GTVNWSVEDIVKGINSNNLESQLQATQAARKLLSREKQPPIDNIIRAGLI
PKFVSFLGKTDCSPIQFESAWALTNIASGTSEQTKAVVDGGAIPAFISLL
ASPHAHISEQAVWALGNIAGDGSAFRDLVIKHGAIDPLLALLAVPDLSTL
ACGYLRNLTWTLSNLCRNKNPAPPLDAVEQILPTLVRLLHHNDPEVLADS
CWAISYLTDGPNERIEMVVKKGVVPQLVKLLGATELPIVTPALRAIGNIV
TGTDEQTQKVIDAGALAVFPSLLTNPKTNIQKEATWTMSNITAGRQDQIQ
QVVNHGLVPFLVGVLSKADFKTQKEAAWAITNYTSGGTVEQIVYLVHCGI
IEPLMNLLSAKDTKIIQVILDAISNIFQAAEKLGETEKLSIMIEECGGLD
KIEALQRHENESVYKASLNLIEKYFS

3D structure

• PDB: 6wba Structural and calorimetric studies reveal specific determinants for the binding of a high-affinity NLS to mammalian importin-alpha.
• Chain: A
• Resolution: 2.151 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	peptide	A	R315 N319 V321 T322 E354 W357 N361 A364 E396 W399	R244 N248 V250 T251 E283 W286 N290 A293 E325 W328
BS02	peptide	A	L104 S105 F138 W142 N146 S149 G150 T155 Q181 W184 N188 D192 W231 R238 D270 W273	L33 S34 F67 W71 N75 S78 G79 T84 Q110 W113 N117 D121 W160 R167 D199 W202

Gene Ontology

Molecular Function

• GO:0061608 nuclear import signal receptor activity

Biological Process

• GO:0006606 protein import into nucleus

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:6wba, PDBe:6wba, PDBj:6wba
• PDBsum: 6wba
• PubMed: 34195786
• UniProt: P52293|IMA1_MOUSE Importin subunit alpha-1 (Gene Name=Kpna2)