1BQD

ASPARTATE AMINOTRANSFERASE P138A/P195A DOUBLE MUTANT

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ASPARTATE AMINOTRANSFERASE	polymer	396	43795.3	2	UniProt (P00509) Pfam (PF00155) In PDB	Escherichia coli	ASPARTATE TRANSAMINASE
2		water	water		18.0	688	Chemie (HOH)

Sequence modifications

A, B: 5 - 409 (UniProt: P00509)

PDB	External Database	Details
Ala 138	Pro 128	engineered mutation
Ala 195	Pro 184	engineered mutation
Llp 258	Lys 246	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87590.5
All*	Total formula weight	87590.5

*Water molecules are not included.