2J37

MODEL OF MAMMALIAN SRP BOUND TO 80S RNCS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	4	60S RIBOSOMAL PROTEIN L23	polymer	152	16920.2	1	Pfam (PF00276) UniProt (by SIFTS) (O81229) In PDB	TRITICUM SP.
2	5	RIBOSOMAL PROTEIN L35	polymer	124	14401.0	1	UniProt (Q8L805) Pfam (PF00831) In PDB	TRITICUM SP. (WHEAT)
3	6	RIBOSOMAL PROTEIN L31	polymer	123	14152.4	1	Pfam (PF01198) UniProt (by SIFTS) (Q5XLD9) In PDB	TRITICUM SP (WHEAT)
4	A	SRP RNA	polymer	128	41504.8	1		CANIS SP.
5	B	SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN (SRP19)	polymer	108	12561.7	1	UniProt (P09132) Pfam (PF01922) In PDB	HOMO SAPIENS (HUMAN)
6	S	SIGNAL SEQUENCE	polymer	17	1992.4	1	UniProt (by SIFTS) (Q1WHN3) In PDB	CANIS SP.
7	W	SIGNAL RECOGNITION PARTICLE 54 KDA PROTEIN (SRP54)	polymer	504	55775.7	1	UniProt (P61010) Pfam (PF02881) Pfam (PF00448) Pfam (PF02978) In PDB	CANIS SP.
8	Z	RIBOSOMAL RNA	polymer	280	90695.9	1		HALOARCULA MARISMORTUI

Sequence modifications

B: 13 - 13 (PDB: 2J37)
B: 14 - 120 (UniProt: P09132)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	248004.0
All*	Total formula weight	248004.0

*Water molecules are not included.