1QZX

Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication

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 54 kDa protein	polymer	440	49463.4	2	UniProt (Q97ZE7) Pfam (PF02881) Pfam (PF00448) Pfam (PF02978)	Sulfolobus solfataricus	SRP54

Sequence modifications

A, B: 1 - 432 (UniProt: Q97ZE7)

PDB	External Database	Details
Met -7	-	expression tag
Gly -6	-	expression tag
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	98926.9
All*	Total formula weight	98926.9

*Water molecules are not included.