2P8Q: Human Importin beta

Crystal Structure of human Importin beta bound to the Snurportin1 IBB-domain. Determined by X-ray diffraction at 2.35 Å resolution. Released 22 Jan 2008.

Method
X-ray diffraction
Resolution
2.35 Å
Organism
Homo sapiens
Chains
2
Atoms
7,471
Mol. weight
102.29 kDa
Released
22 Jan 2008

Explore 2P8Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2P8Q contains 59 α-helices and 0 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 57 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix3-97
α-helix15-3117
α-helix33-4513
α-helix51-6313
α-helix70-8112
α-helix85-9814
α-helix109-12012
α-helix121-1233
α-helix129-13810
α-helix144-16017
α-helix170-18112
α-helix188-20114
α-helix202-2043
α-helix206-2094
α-helix212-22514
α-helix231-24717
α-helix249-2513
α-helix253-2553
α-helix256-2605
α-helix261-2688
α-helix273-30129
α-helix314-32916
α-helix344-35916
α-helix360-3634
α-helix364-37411
α-helix380-39213
α-helix399-41618
α-helix422-43817
α-helix440-4423
α-helix449-45911
α-helix464-48522
α-helix500-5023
α-helix503-51311
α-helix521-5233
α-helix524-53714
α-helix541-5433
α-helix544-56421
α-helix571-59121
α-helix592-5943
α-helix597-61822
α-helix627-63913
α-helix640-6434
α-helix644-65916
α-helix664-68118
α-helix682-6854
α-helix686-69914
α-helix709-72416
α-helix725-7284
α-helix729-74315
α-helix755-77622
α-helix786-7894
α-helix791-7933
α-helix794-80613
α-helix812-82918
α-helix832-8376
α-helix841-85010
α-helix859-87113
Chain B: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix28-303
α-helix42-6019

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Importin beta-1 subunitAprotein876Homo sapiensQ14974 (AlphaFold model)
Snurportin-1Bprotein40O95149 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2P8Q_1 Importin beta-1 subunit (chains A)
MELITILEKTVSPDRLELEAAQKFLERAAVENLPTFLVELSRVLANPGNSQVARVAAGLQ
IKNSLTSKDPDIKAQYQQRWLAIDANARREVKNYVLQTLGTETYRPSSASQCVAGIACAE
IPVNQWPELIPQLVANVTNPNSTEHMKESTLEAIGYICQDIDPEQLQDKSNEILTAIIQG
MRKEEPSNNVKLAATNALLNSLEFTKANFDKESERHFIMQVVCEATQCPDTRVRVAALQN
LVKIMSLYYQYMETYMGPALFAITIEAMKSDIDEVALQGIEFWSNVCDEEMDLAIEASEA
AEQGRPPEHTSKFYAKGALQYLVPILTQTLTKQDENDDDDDWNPCKAAGVCLMLLATCCE
DDIVPHVLPFIKEHIKNPDWRYRDAAVMAFGCILEGPEPSQLKPLVIQAMPTLIELMKDP
SVVVRDTAAWTVGRICELLPEAAINDVYLAPLLQCLIEGLSAEPRVASNVCWAFSSLAEA
AYEAADVADDQEEPATYCLSSSFELIVQKLLETTDRPDGHQNNLRSSAYESLMEIVKNSA
KDCYPAVQKTTLVIMERLQQVLQMESHIQSTSDRIQFNDLQSLLCATLQNVLRKVQHQDA
LQISDVVMASLLRMFQSTAGSGGVQEDALMAVSTLVEVLGGEFLKYMEAFKPFLGIGLKN
YAEYQVCLAAVGLVGDLCRALQSNIIPFCDEVMQLLLENLGNENVHRSVKPQILSVFGDI
ALAIGGEFKKYLEVVLNTLQQASQAQVDKSDYDMVDYLNELRESCLEAYTGIVQGLKGDQ
ENVHPDVMLVQPRVEFILSFIDHIAGDEDHTDGVVACAAGLIGDLCTAFGKDVLKLVEAR
PMIHELLTEGRRSKTNKAKTLATWATKELRKLKNQA
Sequence of entity 2 (B), FASTA
>2P8Q_2 Snurportin-1 (chains B)
HPRLSQYKSKYSSLEQSERRRRLLELQKSKRLDYVNHARR

Primary citation

Molecular Basis for the Recognition of Snurportin 1 by Importin {beta}. Mitrousis, G., Olia, A.S., Walker-Kopp, N. et al. J Biol Chem (2008) 283:7877-7884. DOI 10.1074/jbc.M709093200 · PubMed

Other PDB entries of the same protein (UniProt Q14974 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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