4CON

Crystal structure of the anaerobic ribonucleotide reductase from Thermotoga maritima with citrate in the active site

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ANAEROBIC RIBONUCLEOSIDE-TRIPHOSPHATE REDUCTASE	polymer	651	75674.4	2	UniProt (Q9WYL6) Pfam (PF13597) In PDB	THERMOTOGA MARITIMA	ANAEROBIC RIBONUCLEOTIDE REDUCTASE
2	A, B	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)
3		water	water		18.0	188	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	151348.8
Non-Polymers*	Number of molecules	2
	Total formula weight	384.2
All*	Total formula weight	151733.0

*Water molecules are not included.