6KE3

Crystal structure of the alpha bata heterodimer of human IDH3 in complex with NADH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (A, C, E, G)	Isocitrate dehydrogenase [NAD] subunit alpha, mitochondrial	polymer	341	36826.3	4	UniProt (P50213) Pfam (PF00180)	Homo sapiens (Human)	Isocitric dehydrogenase subunit alpha,NAD(+)-specific ICDH subunit alpha
2	B, D, F, H (B, D, F, H)	Isocitrate dehydrogenase [NAD] subunit beta, mitochondrial	polymer	356	39703.7	4	UniProt (O43837) Pfam (PF00180)	Homo sapiens (Human)	Isocitric dehydrogenase subunit beta,NAD(+)-specific ICDH subunit beta
3	I, J, K, L (A, C, E, G)	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE	non-polymer		665.4	4	Chemie (NAI)

Sequence modifications

A, C, E, G: 1 - 339 (UniProt: P50213)

PDB	External Database	Details
Gly -1	-	expression tag
Ser 0	-	expression tag

B, D, F, H: 1 - 340 (UniProt: O43837)

PDB	External Database	Details
Glu 341	-	expression tag
Ile 342	-	expression tag
Cys 343	-	expression tag
Arg 344	-	expression tag
Arg 345	-	expression tag
Val 346	-	expression tag
Lys 347	-	expression tag
Asp 348	-	expression tag
Leu 349	-	expression tag
Asp 350	-	expression tag
Glu 351	-	expression tag
Asn 352	-	expression tag
Leu 353	-	expression tag
Tyr 354	-	expression tag
Phe 355	-	expression tag
Gln 356	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	306119.9
Non-Polymers*	Number of molecules	4
	Total formula weight	2661.8
All*	Total formula weight	308781.6

*Water molecules are not included.