9CCB

X-ray crystal structure of methyl-coenzyme M reductase glutamine methylase (MgmA) from Methanothermobacter marburgensis with hydroxycobalamin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Radical SAM core domain-containing protein	polymer	450	50347.1	1	UniProt (D9PY35) Pfam (PF04055)	Methanothermobacter marburgensis
2	B (A)	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
3	C (A)	COBALAMIN	non-polymer		1330.4	1	Chemie (B12)
4	D, E (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5	F (A)	water	water		18.0	158	Chemie (HOH)

Sequence modifications

A: 1 - 430 (UniProt: D9PY35)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	50347.1
Non-Polymers*	Number of molecules	4
	Total formula weight	1762.2
All*	Total formula weight	52109.2

*Water molecules are not included.