3SOI

Crystallographic structure of Bacillus licheniformis beta-lactamase W210F/W229F/W251F at 1.73 angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Beta-lactamase	polymer	258	28634.4	2	UniProt (P00808) Pfam (PF00144) In PDB	Bacillus licheniformis	Penicillinase, Large exopenicillinase, Small exopenicillinase
2	A, B	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)
3		water	water		18.0	314	Chemie (HOH)

Sequence modifications

A, B: 29 - 291 (UniProt: P00808)

PDB	External Database	Details
Phe 210	Trp 224	engineered mutation
Phe 229	Trp 243	engineered mutation
Phe 251	Trp 264	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57268.8
Non-Polymers*	Number of molecules	2
	Total formula weight	384.2
All*	Total formula weight	57653.1

*Water molecules are not included.