3KL4

Recognition of a signal peptide by the signal recognition particle

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Signal recognition 54 kDa protein	polymer	433	48503.4	1	UniProt (Q97ZE7) Pfam (PF02881) Pfam (PF00448) Pfam (PF02978) In PDB	Sulfolobus solfataricus	SRP54
2	B	Signal peptide of yeast dipeptidyl aminopeptidase B	polymer	42	4533.4	1	UniProt (P18962) In PDB	Saccharomyces cerevisiae	DPAP B, YSCV

Sequence modifications

A: 2 - 432 (UniProt: Q97ZE7)

PDB	External Database	Details
Met 0	-	expression tag
Gly 1	-	expression tag

B: 444 - 469 (UniProt: P18962)

PDB	External Database	Details
Ala 433	-	linker
Arg 434	-	linker
Ser 435	-	linker
Gly 436	-	linker
Ser 437	-	linker
Gly 438	-	linker
Ser 439	-	linker
Gly 440	-	linker
Ser 441	-	linker
Gly 442	-	linker
Ser 443	-	linker
His 470	-	expression tag
His 471	-	expression tag
His 472	-	expression tag
His 473	-	expression tag
His 474	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53036.7
All*	Total formula weight	53036.7

*Water molecules are not included.