6Y9T

Family GH13_31 enzyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Alpha-glucosidase	polymer	571	65402.4	2	UniProt (A0A3A9XV51) Pfam (PF00128) UniProt (by SIFTS) (Q5FI02) In PDB	Lactobacillus acidophilus NCFM
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	118	Chemie (HOH)

Sequence modifications

A, B: 1 - 551 (UniProt: A0A3A9XV51)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	130804.9
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	130885.0

*Water molecules are not included.