5HON

Structure of Domain 4 of AbnA, a GH43 extracellular arabinanase from Geobacillus stearothermophilus, in complex with arabinotriose

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)	Extracellular arabinanase	polymer	209	22757.9	2	UniProt (B3EYN2) Pfam (PF13385)	Geobacillus stearothermophilus
2	C, D (C, D)	alpha-L-arabinofuranose-(1-5)-alpha-L-arabinofuranose-(1-5)-alpha-L-arabinofuranose	branched		414.4	2	In PDB GlyTouCan (G56809YT)
3	E, F (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	G, H (A, B)	water	water		18.0	396	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	45515.9
Branched	Number of molecules	2
	Total formula weight	828.7
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	46424.8

*Water molecules are not included.