6V2G

Complex of mutant (K162M) of E. coli L-asparaginase II with L-Asp. Covalent acyl-enzyme intermediate and tetrahedral intermediate.

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, D (A, B, C, D)	L-asparaginase 2	polymer	333	35704.0	4	UniProt (P00805) Pfam (PF00710) Pfam (PF17763)	Escherichia coli (strain K12)	L-asparaginase II,L-ASNase II,L-asparagine amidohydrolase II
2	E, F, G, H (A, B, C, D)	water	water		18.0	1110	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 326 (UniProt: P00805)

PDB	External Database	Details
Met -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Aei 12	Thr 34	conflict
Met 162	Lys 184	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	142815.9
All*	Total formula weight	142815.9

*Water molecules are not included.