PDB: 1bk2 Compound: a-spectrin Classification: SH3-DOMAIN Entry date in PDB: 1999-02-16 Resolution [Å]: 2.00 R-Factor: 0.228

CHAIN: - SWISS-PROT/TREMBL: P07751    KEYWORD: 3D-structure    Actin capping    Actin-binding    Calcium-binding    Calmodulin-binding    Cytoskeleton    Membrane    Phosphorylation    Repeat    SH3 domain    SCOP: b.34.2.1 All beta proteins    SH3-like barrel    SH3-domain    SH3-domain    alpha-Spectrin, SH3 domain    Chicken (Gallus gallus) GO:  calcium ion binding

Image Source: PDB

1e6h A - percentage of sequence identity: 91
1g2b A - percentage of sequence identity: 100
1pwt - - percentage of sequence identity: 98