5XAP

Crystal structure of SecDF in I form (C2 space group)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Protein translocase subunit SecD	polymer	750	80633.0	1	UniProt (Q9RTE3) Pfam (PF21760) Pfam (PF22599) Pfam (PF02355) Pfam (PF07549) In PDB	Deinococcus radiodurans str. R1	Protein-export membrane protein SecF
2	A	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	7	Chemie (OLC)
3	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
4		water	water		18.0	52	Chemie (HOH)

Sequence modifications

A: 28 - 768 (UniProt: Q9RTE3)

PDB	External Database	Details
Met 27	-	expression tag
Cys 143	Ile 143	engineered mutation
Cys 268	Leu 268	engineered mutation
His 769	-	expression tag
His 770	-	expression tag
His 771	-	expression tag
His 772	-	expression tag
His 773	-	expression tag
His 774	-	expression tag
His 775	-	expression tag
His 776	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	80633.0
Non-Polymers*	Number of molecules	8
	Total formula weight	2601.9
All*	Total formula weight	83234.9

*Water molecules are not included.