3M07

1.4 Angstrom Resolution Crystal Structure of Putative alpha Amylase from Salmonella typhimurium.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Putative alpha amylase	polymer	618	68587.6	1	UniProt (Q8ZPF0) Pfam (PF00128) Pfam (PF11941) In PDB	Salmonella enterica subsp. enterica serovar Typhimurium
2	A	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
3	A	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4	A	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	1	Chemie (BTB)
5	A	TETRAETHYLENE GLYCOL	non-polymer		194.2	2	Chemie (PG4)
6	A	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
7		water	water		18.0	616	Chemie (HOH)

Sequence modifications

A: 1 - 594 (UniProt: Q8ZPF0)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	68587.6
Non-Polymers*	Number of molecules	14
	Total formula weight	1035.5
All*	Total formula weight	69623.1

*Water molecules are not included.