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Isocitrate Dehydrogenase:

Chime images of NAD-dependent and NADP-dependent forms

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1. NADP-dependent form of IDH from E.Coli.

PDB title: Isocitrate Dehydrogenase Complexed With Isocitrate, Nadp+, And Calcium (Flash-Cooled)

Source: http://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?form=6&db=t&Dopt=s&uid=6723

Other forms of NADP-dependent IDH found in S.cerevisae are: IDP1, IDP2, IDP3

2. NAD-dependent malate dehydrogenase

PDB title: Malate Dehydrogenase (E.C.1.1.1.37) (Halophilic) Complexed With Nicotinamide Adenine Dinucleotide (Nad)

Source: http://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?form=6&db=t&Dopt=s&uid=1211

Other forms of NAD-dependent IDH found in S.cerevisae are: IDH1 and IDH2

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