1YI7

Beta-d-xylosidase (selenomethionine) XYND from Clostridium Acetobutylicum

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 (A, B, C, D)	Beta-xylosidase, family 43 glycosyl hydrolase	polymer	542	62655.1	4	UniProt (Q97DM1) Pfam (PF04616) Pfam (PF17851)	Clostridium acetobutylicum
2	E, EA, O, W (A, D, B, C)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	F, FA, G, GA, P... (A, D, B, C)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
4	H, HA, I, Y (A, D, C)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	4	Chemie (EPE)
5	AA, BA, CA, DA, IA... (C, D, A, B)	GLYCEROL	non-polymer		92.1	20	Chemie (GOL)
6	NA, OA, PA, QA (A, B, C, D)	water	water		18.0	2586	Chemie (HOH)

Sequence modifications

A, B, C, D: 4 - 534 (UniProt: Q97DM1)

PDB	External Database	Details
Mse 1	-	cloning artifact
Ser 2	-	cloning artifact
Leu 3	-	cloning artifact
Mse 64	Met 62	modified residue
Mse 98	Met 96	modified residue
Mse 144	Met 142	modified residue
Mse 445	Met 443	modified residue
Glu 535	-	expression tag
Gly 536	-	expression tag
His 537	-	expression tag
His 538	-	expression tag
His 539	-	expression tag
His 540	-	expression tag
His 541	-	expression tag
His 542	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	250620.3
Non-Polymers*	Number of molecules	35
	Total formula weight	3627.9
All*	Total formula weight	254248.2

*Water molecules are not included.