3I9Q: Spectrin alpha chain

Crystal Structure of the triple mutant S19G-P20D-R21S of alpha spectrin SH3 domain. Determined by X-ray diffraction at 1.45 Å resolution. Released 15 Dec 2009.

Method
X-ray diffraction
Resolution
1.45 Å
Organism
Gallus gallus
Chains
1
Atoms
528
Mol. weight
6.71 kDa
Released
15 Dec 2009

Explore 3I9Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3I9Q contains 1 α-helix and 8 β-strands across 1 chain. 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: 1 helix, 8 β-strands

ElementResiduesLengthSheet
β-strand8-1141
β-strand1512
β-strand2211
β-strand2512
β-strand30-3561
β-strand41-4661
β-strand49-5461
α-helix55-573
β-strand58-6031

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Spectrin alpha chainAprotein57Gallus gallusP07751 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3I9Q_1 Spectrin alpha chain (chains A)
KELVLALYDYQEKGDSEVTMKKGDILTLLNSTNKDWWKVEVNDRQGFVPAAYVKKLD

Primary citation

The effect of a proline residue on the rate of growth and the space group of alpha-spectrin SH3-domain crystals. Camara-Artigas, A., Andujar-Sanchez, M., Ortiz-Salmeron, E. et al. Acta Crystallogr D Biol Crystallogr (2009) 65:1247-1252. DOI 10.1107/S0907444909038037 · PubMed

Other PDB entries of the same protein (UniProt P07751 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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