Multiple Assemblies exist for SMTL entry 1dr1
2.2 ANGSTROMS CRYSTAL STRUCTURE OF CHICKEN LIVER DIHYDROFOLATE REDUCTASE COMPLEXED WITH NADP+ AND BIOPTERIN; X-RAY DIFFRACTION 2.20 Å

SMTL ID
1dr1.1
Ligands
CALCIUM ION; NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE; 7,8-DIHYDROBIOPTERIN
Polypeptides
DIHYDROFOLATE REDUCTASE
Oligo-state
monomer
SMTL ID
1dr1.2
Ligands
CALCIUM ION; NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE; 7,8-DIHYDROBIOPTERIN
Polypeptides
DIHYDROFOLATE REDUCTASE
Oligo-state
homo-dimer