3AWR

Crystal structure of Rat TOM20-ALDH presequence complex: The intermolecular disulfide bond was cleaved in the crystal of a disulfide-tethered complex.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Mitochondrial import receptor subunit TOM20 homolog	polymer	73	8022.2	2	UniProt (Q62760) Pfam (PF02064)	Rattus norvegicus (rat)	Mitochondrial 20 kDa outer membrane protein, Outer mitochondrial membrane receptor Tom20
2	C, D (C, D)	Aldehyde dehydrogenase, mitochondrial	polymer	13	1318.5	2	UniProt (P11884)	Rattus norvegicus	ALDH class 2, ALDH-E2, ALDH1
3	E, F, G, H (A, B, C, D)	water	water		18.0	71	Chemie (HOH)

Sequence modifications

A, B: 59 - 126 (UniProt: Q62760)

PDB	External Database	Details
Gly 54	-	expression tag
Pro 55	-	expression tag
Leu 56	-	expression tag
Gly 57	-	expression tag
Ser 58	-	expression tag

C, D: 12 - 20 (UniProt: P11884)

PDB	External Database	Details
Ser 21	-	expression tag
Ala 22	-	expression tag
Gly 23	-	expression tag
Cys 24	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	18681.5
All*	Total formula weight	18681.5

*Water molecules are not included.