4GNV

Crystal structure of beta-hexosaminidase 1 from Burkholderia cenocepacia J2315 with bound N-Acetyl-D-Glucosamine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Beta-hexosaminidase 1	polymer	350	38116.8	2	UniProt (B4EA43) Pfam (PF00933)	Burkholderia cenocepacia	Beta-hexosaminidase 2
2	C, G (A, B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
3	D, E, F, H (A, B)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4	I, J (A, B)	water	water		18.0	630	Chemie (HOH)

Sequence modifications

A, B: 1 - 342 (UniProt: B4EA43)

PDB	External Database	Details
Met -7	-	engineered mutation
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	76233.5
Non-Polymers*	Number of molecules	6
	Total formula weight	584.2
All*	Total formula weight	76817.8

*Water molecules are not included.