1AY9

WILD-TYPE UMUD' FROM E. COLI

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	UMUD PROTEIN	polymer	108	11667.3	2	UniProt (P04153) Pfam (PF00717) UniProt (by SIFTS) (P0AG11) In PDB	Escherichia coli
2		water	water		18.0	36	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23334.5
All*	Total formula weight	23334.5

*Water molecules are not included.