6YQC

Taka-amylase in complex with alpha-glucosyl epi-cyclophellitol epoxide inhibitor

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (AAA, BBB)	Alpha-amylase	polymer	499	54846.8	2	UniProt (A0A1S9DH83) Pfam (PF00128) Pfam (PF09260)	Aspergillus oryzae (Yellow koji mold)
2	C, E, F, G, H... (AAA, BBB)	1,2-ETHANEDIOL	non-polymer		62.1	16	Chemie (EDO)
3	D, O (AAA, BBB)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
4	I, W (AAA, BBB)	(1~{R},2~{S},4~{R},5~{S},6~{R})-6-[(2~{S},3~{R},4~{R},5~{S},6~{R})-5-heptoxy-6-(hydroxymethyl)-3,4-bis(oxidanyl)oxan-2-yl]oxy-5-(hydroxymethyl)cyclohexane-1,2,4-triol	non-polymer		438.5	2	Chemie (QJN)
5	K, X (AAA, BBB)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
6	Y, Z (AAA, BBB)	water	water		18.0	687	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	109693.5
Non-Polymers*	Number of molecules	22
	Total formula weight	2392.7
All*	Total formula weight	112086.2

*Water molecules are not included.