Multiple Assemblies exist for SMTL entry 4ckb
Vaccinia virus capping enzyme complexed with GTP and SAH; X-RAY DIFFRACTION 2.80 Å

	SMTL ID 4ckb.1 Ligands S-ADENOSYL-L-HOMOCYSTEINE; GUANOSINE-5'-TRIPHOSPHATE Polypeptides MRNA-CAPPING ENZYME CATALYTIC SUBUNIT; MRNA-CAPPING ENZYME REGULATORY SUBUNIT Oligo-state hetero-1-1-mer
	SMTL ID 4ckb.2 Ligands S-ADENOSYL-L-HOMOCYSTEINE Polypeptides MRNA-CAPPING ENZYME CATALYTIC SUBUNIT; MRNA-CAPPING ENZYME REGULATORY SUBUNIT Oligo-state hetero-1-1-mer