1TZX

T. maritima NusB, P3221

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	N utilization substance protein B homolog	polymer	142	17003.6	2	UniProt (Q9X286) Pfam (PF01029) In PDB	Thermotoga maritima	NusB protein
2	A, B	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)
3		water	water		18.0	240	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34007.1
Non-Polymers*	Number of molecules	2
	Total formula weight	384.2
All*	Total formula weight	34391.4

*Water molecules are not included.