4LP7

Crystal structure of the human metapneumovirus matrix protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Matrix protein M	polymer	254	27670.2	4	UniProt (Q91F56) Pfam (PF03393)	Human metapneumovirus
2	E, F, G, I (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	H (D)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	J, K, L, M (A, B, C, D)	water	water		18.0	174	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	110680.7
Non-Polymers*	Number of molecules	5
	Total formula weight	195.8
All*	Total formula weight	110876.5

*Water molecules are not included.