5CK4

Signal recognition particle receptor SRb-GDP from Chaetomium thermophilum

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)	Putative signal recognition particle protein	polymer	316	34438.0	2	UniProt (G0S401) Pfam (PF09439)	Chaetomium thermophilum
2	C, D (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
3	E, F (A, B)	water	water		18.0	410	Chemie (HOH)

Sequence modifications

A, B: 43 - 347 (UniProt: G0S401)

PDB	External Database	Details
Met 32	-	initiating methionine
Lys 33	-	expression tag
His 34	-	expression tag
His 35	-	expression tag
His 36	-	expression tag
His 37	-	expression tag
His 38	-	expression tag
His 39	-	expression tag
Pro 40	-	expression tag
Met 41	-	expression tag
Gly 42	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68876.0
Non-Polymers*	Number of molecules	2
	Total formula weight	886.4
All*	Total formula weight	69762.4

*Water molecules are not included.