Multiple Assemblies exist for SMTL entry 3v4p
crystal structure of a4b7 headpiece complexed with Fab ACT-1; X-RAY DIFFRACTION 3.15 Å

SMTL ID 3v4p.1 Ligands alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose; CALCIUM ION; 2-acetamido-2-deoxy-beta-D-glucopyranose; POLYETHYLENE GLYCOL (N=34); MAGNESIUM ION Polypeptides Integrin alpha-4; Integrin beta-7; MONOCLONAL ANTIBODY Act-1 HEAVY CHAIN; MONOCLONAL ANTIBODY Act-1 LIGHT CHAIN Oligo-state hetero-1-1-1-1-mer

SMTL ID 3v4p.2 Ligands alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose; CALCIUM ION; 2-acetamido-2-deoxy-beta-D-glucopyranose; 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL; MAGNESIUM ION Polypeptides Integrin alpha-4; Integrin beta-7; MONOCLONAL ANTIBODY Act-1 HEAVY CHAIN; MONOCLONAL ANTIBODY Act-1 LIGHT CHAIN Oligo-state hetero-1-1-1-1-mer