Multiple Assemblies exist for SMTL entry 3nif
The Closed Headpiece of Integrin IIb 3 and its Complex with an IIb 3 -Specific Antagonist That Does Not Induce Opening; X-RAY DIFFRACTION 2.40 Å

SMTL ID
3nif.1
Ligands
CALCIUM ION; 2-ETHYL-7-PIPERAZIN-1-YL-5H-[1,3,4]THIADIAZOLO[3,2-A]PYRIMIDIN-5-ONE; GLYCEROL; SULFATE ION; MAGNESIUM ION; SUGAR (N-ACETYL-D-GLUCOSAMINE); SUGAR (4-MER); SUGAR (2-MER)
Polypeptides
Integrin alphaIIB beta3; Integrin beta-3; Monoclonal antibody 10E5 heavy chain; Monoclonal antibody 10E5 light chain
Oligo-state
hetero-oligomer
SMTL ID
3nif.2
Ligands
CALCIUM ION; 2-ETHYL-7-PIPERAZIN-1-YL-5H-[1,3,4]THIADIAZOLO[3,2-A]PYRIMIDIN-5-ONE; SULFATE ION; MAGNESIUM ION; SUGAR (N-ACETYL-D-GLUCOSAMINE); SUGAR (3-MER); SUGAR (2-MER); GLYCEROL
Polypeptides
Integrin alphaIIB beta3; Integrin beta-3; Monoclonal antibody 10E5 heavy chain; Monoclonal antibody 10E5 light chain
Oligo-state
hetero-oligomer