2I2X

Crystal structure of methanol:cobalamin methyltransferase complex MtaBC from Methanosarcina barkeri

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I...	Methyltransferase 1	polymer	461	50846.8	8	UniProt (P94921) Pfam (PF12176) UniProt (by SIFTS) (Q46EH3) In PDB	Methanosarcina barkeri	MtaB
2	B, D, F, H, J...	Methyltransferase 1	polymer	258	27882.9	8	UniProt (P94920) Pfam (PF02607) Pfam (PF02310) UniProt (by SIFTS) (Q46EH4) In PDB	Methanosarcina barkeri	MtaC
3	G, I, K, M, O...	ZINC ION	non-polymer		65.4	12	Chemie (ZN)
4	G, I, K, M, O...	POTASSIUM ION	non-polymer		39.1	8	Chemie (K)
5	F, H, J, L, N...	5-HYDROXYBENZIMIDAZOLYLCOB(III)AMIDE	non-polymer		1321.3	8	Chemie (B13)
6		water	water		18.0	946	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	629837.2
Non-Polymers*	Number of molecules	28
	Total formula weight	11668.3
All*	Total formula weight	641505.5

*Water molecules are not included.