2KOT

Solution structure of S100A13 with a drug amlexanox

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)	Protein S100-A13	polymer	98	11490.2	2	UniProt (Q99584) Pfam (PF01023)	Homo sapiens (human)	S100 calcium-binding protein A13
2	C, D (A, B)	2-amino-7-(1-methylethyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylic acid	non-polymer		298.3	2	Chemie (ANW)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	22980.4
Non-Polymers*	Number of molecules	2
	Total formula weight	596.6
All*	Total formula weight	23577.0

*Water molecules are not included.