1PQH

Serine 25 to Threonine mutation of aspartate decarboxylase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Aspartate 1-decarboxylase	polymer	143	15809.9	2	UniProt (P0A790) Pfam (PF02261)	Escherichia coli	Aspartate alpha-decarboxylase
2	C (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
3	D, E, F (A, B)	MALONIC ACID	non-polymer		104.1	3	Chemie (MLA)
4	G, H (A, B)	water	water		18.0	389	Chemie (HOH)

Sequence modifications

A, B: 1 - 126 (UniProt: P0A790)

PDB	External Database	Details
Met -16	-	expression tag
Arg -15	-	expression tag
Gly -14	-	expression tag
Ser -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Gly -6	-	expression tag
Leu -5	-	expression tag
Val -4	-	expression tag
Pro -3	-	expression tag
Arg -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Thr 25	Ser 25	engineered mutation
Csx 78	Cys 78	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31619.9
Non-Polymers*	Number of molecules	4
	Total formula weight	335.2
All*	Total formula weight	31955.0

*Water molecules are not included.