4CKE

Vaccinia virus capping enzyme complexed with SAH in P1 form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, D)	MRNA-CAPPING ENZYME CATALYTIC SUBUNIT	polymer	844	96856.7	2	UniProt (P04298) Pfam (PF10640) Pfam (PF21004) Pfam (PF21005) Pfam (PF03291)	VACCINIA VIRUS	VIRUS TERMINATION FACTOR LARGE SUBUNIT, VTF LARGE SUBUNIT, MRNA-CAPPING ENZYME 97 KDA SUBUNIT, MRNA-CAPPING ENZYME D1 SUBUNIT, MRNA-CAPPING ENZYME LARGE SUBUNIT, MRNA 5-TRIPHOSPHATASE, TPASE, GTP--RNA GUANYLYLTRANSFERASE, GTASE, MRNA CAP METHYLTRANSFERASE, VACCINIA CAPPING ENZYME D1 SUBUNIT
2	B, D (B, E)	MRNA-CAPPING ENZYME REGULATORY SUBUNIT	polymer	287	33396.7	2	UniProt (P04318) Pfam (PF03341)	VACCINIA VIRUS	VIRUS TERMINATION FACTOR SMALL SUBUNIT, VTF SMALL SUBUNIT, MRNA-CAPPING ENZYME 33 KDA SUBUNIT, MRNA-CAPPING ENZYME D12 SUBUNIT, MRNA-CAPPING ENZYME SMALL SUBUNIT, VACCINIA CAPPING ENZYME D12 SUBUNIT
3	E, F (A, D)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
4	G, H, I, J (A, B, D, E)	water	water		18.0	76	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	260506.7
Non-Polymers*	Number of molecules	2
	Total formula weight	768.8
All*	Total formula weight	261275.5

*Water molecules are not included.