3O5Z: PDB entry 3O5Z

Crystal structure of the SH3 domain from p85beta subunit of phosphoinositide 3-kinase (PI3K). Determined by X-ray diffraction at 2.01 Å resolution. Released 10 Aug 2011.

Method
X-ray diffraction
Resolution
2.01 Å
Organism
Homo sapiens
Chains
2
Atoms
1,283
Mol. weight
19.81 kDa
Released
10 Aug 2011

Explore 3O5Z in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3O5Z contains 11 α-helices and 16 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: 5 helices, 8 β-strands

ElementResiduesLengthSheet
β-strand6-1161
β-strand1512
β-strand2211
β-strand2512
β-strand30-3451
α-helix35-406
α-helix43-442
α-helix47-493
α-helix51-544
β-strand56-6161
β-strand67-7151
α-helix72-743
β-strand75-8171
Chain B: 6 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand6-1163
β-strand1514
β-strand2213
α-helix23-242
β-strand2514
β-strand30-3453
α-helix35-406
α-helix43-442
α-helix47-493
α-helix51-544
β-strand56-6163
β-strand67-7153
α-helix72-743
β-strand75-8063

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Phosphatidylinositol 3-kinase regulatory subunit betaA, Bprotein90Homo sapiensO00459 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3O5Z_1 Phosphatidylinositol 3-kinase regulatory subunit beta (chains A, B)
GPLGSMAGPEGFQYRALYPFRRERPEDLELLPGDVLVVSRAALQALGVAEGGERCPQSVG
WMPGLNERTRQRGDFPGTYVEFLGPVALAR

Primary citation

X-ray structure of the SH3 domain of the phosphoinositide 3-kinase p85 beta subunit. Chen, S., Xiao, Y., Ponnusamy, R. et al. Acta Crystallogr Sect F Struct Biol Cryst Commun (2011) 67:1328-1333. DOI 10.1107/S1744309111031691 · PubMed

Other PDB entries of the same protein (UniProt O00459 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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