1BAO

THE CONTRIBUTION OF BURIED HYDROGEN BONDS TO PROTEIN STABILITY: THE CRYSTAL STRUCTURES OF TWO BARNASE MUTANTS

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	BARNASE	polymer	110	12382.7	3	UniProt (P00648) Pfam (PF00545) In PDB	Bacillus amyloliquefaciens
2	C	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3		water	water		18.0	213	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 110 (UniProt: P00648)

PDB	External Database	Details
Phe 78	Tyr 125	conflict

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	37148.2
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	37213.6

*Water molecules are not included.