3PQC

Crystal structure of Thermotoga maritima ribosome biogenesis GTP-binding protein EngB (YsxC/YihA) in complex with GDP

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)	Probable GTP-binding protein engB	polymer	195	22487.4	2	UniProt (Q9X1H7) Pfam (PF01926)	Thermotoga maritima
2	C, E (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	D, F (A, B)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
4	G, H (A, B)	water	water		18.0	377	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	44974.8
Non-Polymers*	Number of molecules	4
	Total formula weight	1098.6
All*	Total formula weight	46073.5

*Water molecules are not included.