1O7A

Human beta-Hexosaminidase B

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, E... (A, B, C, D, E...)	BETA-HEXOSAMINIDASE BETA CHAIN	polymer	515	58925.7	6	UniProt (P07686) Pfam (PF14845) Pfam (PF00728)	HOMO SAPIENS (HUMAN)	BETA-N-ACETYLHEXOSAMINIDASE, HEXOSAMINIDASE B, N-ACETYL-BETA-GLUCOSAMINIDASE
2	G, H, I, J, K... (G, H, I, J, K...)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	6	In PDB GlyTouCan (G42666HT)
3	BA, CA, HA, M, R... (D, E, F, A, B...)	2-(acetylamido)-2-deoxy-D-glucono-1,5-lactone	non-polymer		219.2	6	Chemie (GDL)
4	DA, IA, JA, N, S... (E, F, A, B, C)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	6	Chemie (NAG)
5	AA, EA, FA, GA, KA... (C, E, F, A, B)	1,2-ETHANEDIOL	non-polymer		62.1	15	Chemie (EDO)
6	NA, OA, PA, QA, RA... (A, B, C, D, E...)	water	water		18.0	2326	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	353554.3
Branched	Number of molecules	6
	Total formula weight	2546.4
Non-Polymers*	Number of molecules	27
	Total formula weight	3573.4
All*	Total formula weight	359674.1

*Water molecules are not included.