5XSV

Crystal structure of an archaeal chitinase in the ligand-free form

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)	Chitinase	polymer	486	56160.2	4	UniProt (A0A161KIT4)	Thermococcus chitonophagus
2	E, F, G, H, K... (A, B, C, D)	COBALT (II) ION	non-polymer		58.9	14	Chemie (CO)
3	I, J, P, Q, T... (A, B, C, D)	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)

Sequence modifications

A, B, C, D: 321 - 805 (UniProt: A0A161KIT4)

PDB	External Database	Details
Met 320	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	224640.8
Non-Polymers*	Number of molecules	22
	Total formula weight	1593.6
All*	Total formula weight	226234.4

*Water molecules are not included.