7AHC

OpuA apo inward-facing

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ABC transporter permease subunit	polymer	585	63437.8	2	UniProt (A0A0V8ETW8) Pfam (PF00528) Pfam (PF04069) In PDB	Lactococcus lactis subsp. lactis	ABC-type proline/glycine betaine transport system permease component,Glycine betaine ABC transport system permease and betaine-binding protein
2	D, C	ABC-type proline/glycine betaine transport system ATPase component	polymer	408	45783.7	2	UniProt (A0A0R2NIU5) Pfam (PF00005) Pfam (PF00571) UniProt (by SIFTS) (Q9KIF7) In PDB	Lactococcus lactis subsp. lactis	Betaine/proline/choline family ABC transporter ATP-binding protein,Glycine betaine ABC transport system ATP-binding protein OpuAA,Glycine betaine/L-proline ABC transporter ATP-binding protein

Sequence modifications

A, B: 1 - 573 (UniProt: A0A0V8ETW8)

PDB	External Database	Details
Gly 574	-	expression tag
Ser 575	-	expression tag
Ile 576	-	expression tag
Glu 577	-	expression tag
Gly 578	-	expression tag
Arg 579	-	expression tag
His 580	-	expression tag
His 581	-	expression tag
His 582	-	expression tag
His 583	-	expression tag
His 584	-	expression tag
His 585	-	expression tag

D, C: 3 - 408 (UniProt: A0A0R2NIU5)

PDB	External Database	Details
Met 1	-	initiating methionine
Ala 2	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	218443.0
All*	Total formula weight	218443.0

*Water molecules are not included.