2GO5

Structure of signal recognition particle receptor (SR) in complex with signal recognition particle (SRP) and ribosome nascent chain complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	SRP RNA	polymer	127	41199.6	1		Canis sp.
2	9	ribosomal RNA	polymer	90	29170.5	1		Triticum sp.
3	B	Signal recognition particle 19 kDa protein (SRP19)	polymer	108	12561.7	1	Pfam (PF01922) UniProt (by SIFTS) (Q5RBR1) In PDB	Canis sp.
4	W	Signal recognition particle 54 kDa protein (SRP54)	polymer	109	12473.4	1	UniProt (P61010) Pfam (PF02978) In PDB	Canis sp.
5	1	Signal recognition particle receptor alpha subunit (SR a)	polymer	185	21329.5	1	UniProt (P08240) Pfam (PF04086) In PDB	Homo sapiens (human)
6	2	Signal recognition particle receptor beta subunit (SR b)	polymer	214	23537.0	1	UniProt (P47758) Pfam (PF09439) In PDB	Mus musculus (house mouse)
7	5	ribosomal protein L35	polymer	124	14401.0	1	UniProt (Q8L805) Pfam (PF00831) In PDB	Triticum sp.
8	4	ribosomal protein L23	polymer	152	16920.2	1	Pfam (PF00276) UniProt (by SIFTS) (O81229) In PDB	Triticum sp.
9	6	ribosomal protein L31	polymer	123	14152.4	1	Pfam (PF01198) UniProt (by SIFTS) (Q5XLD9) In PDB	Triticum sp.

Sequence modifications

1: 3 - 176 (UniProt: P08240)

PDB	External Database	Details
Met -8	-	CLONING ARTIFACT
Ser -7	-	CLONING ARTIFACT
His -6	-	EXPRESSION TAG
His -5	-	EXPRESSION TAG
His -4	-	EXPRESSION TAG
His -3	-	EXPRESSION TAG
His -2	-	EXPRESSION TAG
His -1	-	EXPRESSION TAG
Ser 0	-	CLONING ARTIFACT
Met 1	-	CLONING ARTIFACT
Val 2	-	CLONING ARTIFACT

2: 58 - 269 (UniProt: P47758)

PDB	External Database	Details
Met 56	-	INITIATING METHIONINE
Ala 57	-	CLONING ARTIFACT

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	185745.3
All*	Total formula weight	185745.3

*Water molecules are not included.