5XFM

Crystal structure of beta-arabinopyranosidase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Alpha-glucosidase	polymer	642	73212.7	4	UniProt (A0A1H5YQC4) Pfam (PF14508) Pfam (PF10566) Pfam (PF14509) UniProt (by SIFTS) (Q8A1K0) In PDB	Bacteroides thetaiotaomicron	Glycosyl-hydrolase 97 C-terminal,oligomerisation
2	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3		water	water		18.0	1257	Chemie (HOH)

Sequence modifications

A, B, C, D: 20 - 647 (UniProt: A0A1H5YQC4)

PDB	External Database	Details
Met 6	-	expression tag
Asn 7	-	expression tag
His 8	-	expression tag
Lys 9	-	expression tag
Val 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
His 16	-	expression tag
Met 17	-	expression tag
Glu 18	-	expression tag
Leu 19	-	expression tag
Leu 498	Phe 498	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	292850.6
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	293010.9

*Water molecules are not included.