Multiple Assemblies exist for SMTL entry 4x4r
Crystal structure of the A.fulgidus CCA-adding enzyme in complex with a G70A arginyl-tRNA minihelix ending in CCACC and AMPcPP; X-RAY DIFFRACTION 3.20 Å

SMTL ID
4x4r.1
Ligands
DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER; MAGNESIUM ION; 2-(N-MORPHOLINO)-ETHANESULFONIC ACID; GLYCEROL
Polypeptides
CCA-adding enzyme
Oligo-state
monomer
SMTL ID
4x4r.2
Ligands
RNA (5'-D(*CP*G)-3'); DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER; MAGNESIUM ION; GLYCEROL; D(-)-TARTARIC ACID; DI(HYDROXYETHYL)ETHER
Polypeptides
CCA-adding enzyme
Oligo-state
monomer