6FQD

Escherichia Coli Signal Recognition Particle Receptor FtsY NGdN1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Signal recognition particle receptor FtsY	polymer	285	31233.8	2	UniProt (P10121) Pfam (PF02881) Pfam (PF00448) In PDB	Escherichia coli (strain K12)	SRP receptor
2	A, B	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
3	A, B	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
4		water	water		18.0	327	Chemie (HOH)

Sequence modifications

A, B: 221 - 497 (UniProt: P10121)

PDB	External Database	Details
Met 213	-	initiating methionine
Gly 214	-	expression tag
His 215	-	expression tag
His 216	-	expression tag
His 217	-	expression tag
His 218	-	expression tag
His 219	-	expression tag
His 220	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	62467.5
Non-Polymers*	Number of molecules	4
	Total formula weight	964.6
All*	Total formula weight	63432.1

*Water molecules are not included.