5CK5

Signal recognition particle receptor SRb-GDP-Mg 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, C, D (A, B, C, D)	Putative signal recognition particle protein	polymer	316	34438.0	4	UniProt (G0S401) Pfam (PF09439)	Chaetomium thermophilum
2	E, G, I, K (A, B, C, D)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	4	Chemie (GDP)
3	F, H, J, L (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	M, N, O, P (A, B, C, D)	water	water		18.0	92	Chemie (HOH)

Sequence modifications

A, B, C, D: 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	4
	Total formula weight	137752.0
Non-Polymers*	Number of molecules	8
	Total formula weight	1870.0
All*	Total formula weight	139622.0

*Water molecules are not included.