6AG0

The X-ray Crystallographic Structure of Maltooligosaccharide-forming Amylase from Bacillus stearothermophilus STB04

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Alpha-amylase	polymer	542	61578.7	2	UniProt (Q9KWY6) Pfam (PF00128) Pfam (PF09154) In PDB	Geobacillus stearothermophilus (Bacillus stearothermophilus)	Maltohexaose-forming amylase
2	B, D, E, F, G...	4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		645.6	11	In PDB BIRD (PRD_900007) GlyTouCan (G66431MI)		alpha-acarbose
3	A, C	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
4		water	water		18.0	328	Chemie (HOH)

Sequence modifications

A, C: 1 - 515 (UniProt: Q9KWY6)

PDB	External Database	Details
Met -26	-	expression tag
Lys -25	-	expression tag
Lys -24	-	expression tag
Phe -23	-	expression tag
Leu -22	-	expression tag
Lys -21	-	expression tag
Ser -20	-	expression tag
Thr -19	-	expression tag
Ala -18	-	expression tag
Ala -17	-	expression tag
Leu -16	-	expression tag
Ala -15	-	expression tag
Leu -14	-	expression tag
Gly -13	-	expression tag
Leu -12	-	expression tag
Ser -11	-	expression tag
Leu -10	-	expression tag
Thr -9	-	expression tag
Phe -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Phe -5	-	expression tag
Ser -4	-	expression tag
Pro -3	-	expression tag
Ala -2	-	expression tag
Gln -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	123157.5
Branched	Number of molecules	11
	Total formula weight	7101.7
Non-Polymers*	Number of molecules	8
	Total formula weight	320.6
All*	Total formula weight	130579.8

*Water molecules are not included.