5M72

Structure of the human SRP68-72 protein-binding domain complex

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 particle subunit SRP72	polymer	160	18271.5	1	UniProt (O76094) Pfam (PF17004) In PDB	Homo sapiens (Human)	SRP72,Signal recognition particle 72 kDa protein
2	B	Signal recognition particle subunit SRP68	polymer	71	8005.3	1	UniProt (Q9UHB9) In PDB	Homo sapiens (Human)	SRP68,Signal recognition particle 68 kDa protein
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
5	A	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
6		water	water		18.0	150	Chemie (HOH)

Sequence modifications

A: 10 - 166 (UniProt: O76094)

PDB	External Database	Details
Gly 9	-	expression tag
Gly 167	-	expression tag
Ser 168	-	expression tag

B: 546 - 614 (UniProt: Q9UHB9)

PDB	External Database	Details
Met 544	-	initiating methionine
Gly 545	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	26276.8
Non-Polymers*	Number of molecules	5
	Total formula weight	415.4
All*	Total formula weight	26692.2

*Water molecules are not included.