1MMO

CRYSTAL STRUCTURE OF A BACTERIAL NON-HAEM IRON HYDROXYLASE THAT CATALYSES THE BIOLOGICAL OXIDATION OF METHANE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, C)	METHANE MONOOXYGENASE HYDROLASE (BETA CHAIN)	polymer	384	44452.7	2	UniProt (P18798) Pfam (PF02332)	Methylococcus capsulatus
2	C, D (D, E)	METHANE MONOOXYGENASE HYDROLASE (ALPHA CHAIN)	polymer	512	59241.5	2	UniProt (P22869) Pfam (PF02332)	Methylococcus capsulatus
3	E, F (G, H)	METHANE MONOOXYGENASE HYDROLASE (GAMMA CHAIN)	polymer	162	18980.6	2	UniProt (P11987) Pfam (PF02964)	Methylococcus capsulatus
4	G, H, J, K (D, E)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)
5	I, L (D, E)	ACETIC ACID	non-polymer		60.1	2	Chemie (ACY)
6	M, N, O, P, Q... (B, C, D, E, G...)	water	water		18.0	859	Chemie (HOH)

Sequence modifications

B, C: 6 - 389 (UniProt: P18798)

PDB	External Database	Details
Thr 142	Asp 142	conflict
Ser 143	Glu 143	conflict
Ser 144	Phe 144	conflict
Cys 145	Ile 145	conflict

D, E: 15 - 526 (UniProt: P22869)

PDB	External Database	Details
Asp 306	Asn 306	conflict
Glu 444	Gln 444	conflict

G, H: 4 - 165 (UniProt: P11987)

PDB	External Database	Details
Asp 38	His 37	conflict
Lys 80	Asn 79	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	245349.7
Non-Polymers*	Number of molecules	6
	Total formula weight	343.5
All*	Total formula weight	245693.2

*Water molecules are not included.