8E9P

Crystal structure of wild-type E. coli aspartate aminotransferase in the ligand-free form at 278 K

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	406	44776.5	2	UniProt (P00509) Pfam (PF00155) In PDB	Escherichia coli	AspAT,Transaminase A
2	A, B	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	183	Chemie (HOH)

Sequence modifications

A, B: 2 - 396 (UniProt: P00509)

PDB	External Database	Details
Met -9	-	initiating methionine
Ala -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Val -1	-	expression tag
Gly 0	-	expression tag
Thr 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	89552.9
Non-Polymers*	Number of molecules	4
	Total formula weight	686.4
All*	Total formula weight	90239.3

*Water molecules are not included.