1AHG

ASPARTATE AMINOTRANSFERASE HEXAMUTANT

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	43637.3	2	UniProt (P00509) Pfam (PF00155) In PDB	Escherichia coli (strain K12)	AspAT,Transaminase A
2	A, B	TYROSINE	non-polymer		181.2	2	Chemie (TYR)
3	A, B	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
4		water	water		18.0	510	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Leu 39	Val 35	engineered mutation
Tyr 41	Lys 37	engineered mutation
Ile 47	Thr 43	engineered mutation
Leu 69	Asn 64	engineered mutation
Ser 109	Thr 104	engineered mutation
Ser 297	Asn 285	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87274.6
Non-Polymers*	Number of molecules	4
	Total formula weight	856.7
All*	Total formula weight	88131.2

*Water molecules are not included.