5L3V

Structure of the crenarchaeal SRP54 GTPase bound to 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)	Signal recognition particle 54 kDa protein	polymer	299	33170.3	2	UniProt (Q97ZE7) Pfam (PF02881) Pfam (PF00448)	Sulfolobus solfataricus	SRP54
2	C, F (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	D, E, G (A, B)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4	H, I (A, B)	water	water		18.0	178	Chemie (HOH)

Sequence modifications

A, B: 1 - 293 (UniProt: Q97ZE7)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66340.5
Non-Polymers*	Number of molecules	5
	Total formula weight	1174.6
All*	Total formula weight	67515.1

*Water molecules are not included.