6OM4

The structure of Microcin C7 biosynthetic enzyme MccB in complex with N-formylated MccA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	MccB protein	polymer	348	38853.1	2	UniProt (Q47506) Pfam (PF00899)	Escherichia coli
2	C, D (C, D)	Microcin C7	polymer	7	792.8	2	UniProt (Q47505)	Escherichia coli	MccC7,Microcin C51,Microcin C
3	E, I (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	F, H, J, K (A, B)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
5	G, L (A, B)	PYROPHOSPHATE 2-	non-polymer		176.0	2	Chemie (POP)
6	M, N (C, D)	5'-O-[(S)-amino(hydroxy)phosphoryl]adenosine	non-polymer		346.2	2	Chemie (ND7)
7	O, P, Q, R (A, B, C, D)	water	water		18.0	439	Chemie (HOH)

Sequence modifications

A, B: 1 - 348 (UniProt: Q47506)

PDB	External Database	Details
Ser 81	Gly 81	conflict
Ala 270	Ser 270	conflict

C, D: 1 - 7 (UniProt: Q47505)

PDB	External Database	Details
Asp 7	Asn 7	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	79291.9
Non-Polymers*	Number of molecules	10
	Total formula weight	1272.4
All*	Total formula weight	80564.4

*Water molecules are not included.