1SZX

Role Of Hydrogen Bonding In The Active Site Of Human Manganese Superoxide Dismutase

Replaces:  1RFW

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)	Superoxide dismutase [Mn], mitochondrial	polymer	198	22178.1	2	UniProt (P04179) Pfam (PF00081) Pfam (PF02777)	Homo sapiens (human)
2	C, D (A, B)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	E, F (A, B)	water	water		18.0	418	Chemie (HOH)

Sequence modifications

A, B: 1 - 198 (UniProt: P04179)

PDB	External Database	Details
Phe 34	Tyr 58	engineered mutation
Phe 123	Trp 147	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	44356.2
Non-Polymers*	Number of molecules	2
	Total formula weight	109.9
All*	Total formula weight	44466.0

*Water molecules are not included.