Multiple Assemblies exist for SMTL entry 1m5k
Crystal structure of a hairpin ribozyme in the catalytically-active conformation; X-RAY DIFFRACTION 2.40 Å

SMTL ID
1m5k.1
Ligands
CALCIUM ION; CHLORIDE ION
Polypeptides
PROTEIN (U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A)
Oligo-state
monomer
SMTL ID
1m5k.2
Ligands
CALCIUM ION
Polypeptides
PROTEIN (U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A)
Oligo-state
monomer