8Z1Y

Cryo-EM structure of Escherichia coli DppABCDF in the pre-catalytic state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Dipeptide transport system permease protein DppB	polymer	339	37531.8	1	UniProt (P0AEF8) Pfam (PF19300) Pfam (PF00528)	Escherichia coli K-12
2	B (B)	Dipeptide transport system permease protein DppC	polymer	300	32328.3	1	UniProt (P0AEG1) Pfam (PF12911) Pfam (PF00528)	Escherichia coli K-12
3	C (C)	Dipeptide transport ATP-binding protein DppD	polymer	327	35886.4	1	UniProt (P0AAG0) Pfam (PF00005) Pfam (PF08352)	Escherichia coli K-12
4	D (D)	Dipeptide transport ATP-binding protein DppF	polymer	334	37610.5	1	UniProt (P37313) Pfam (PF00005) Pfam (PF08352)	Escherichia coli K-12
5	E (F)	Dipeptide-binding protein	polymer	535	60366.5	1	UniProt (P23847) Pfam (PF00496)	Escherichia coli K-12	DBP,Periplasmic dipeptide transport protein
6	F, I (C, D)	PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER	non-polymer		523.2	2	Chemie (AGS)
7	G, H (C, D)	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)

Sequence modifications

B: 1 - 300 (UniProt: P0AEG1)

PDB	External Database	Details
Ala 281	Leu 281	conflict
Leu 282	Ala 282	conflict

C: 1 - 327 (UniProt: P0AAG0)

PDB	External Database	Details
Gln 179	Glu 179	conflict

D: 1 - 334 (UniProt: P37313)

PDB	External Database	Details
Gln 187	Glu 187	conflict

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	203723.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1749.8
All*	Total formula weight	205473.2

*Water molecules are not included.