problems editing or experience problems with these pages please contact us . SH3 domain SH3 domain Ribbon diagram of the SH3 domain, alpha spectrin, from chicken (PDB accession code 1SHG), colored from blue (N-terminus) to red (C-terminus). Identifiers Symbol SH3_1 Pfam PF00018 Pfam clan CL0010 InterPro IPR001452 SMART SM00326 PROSITE PS50002