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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

X: NADPH-cytochrome p450 reductase helical insertion domain
H: NADPH-cytochrome p450 reductase helical insertion domain
T: NADPH-cytochrome p450 reductase helical insertion domain
F: FAD_binding_1

PF00667 CL0105

Representatives:

e1ja1A5[A:326-451] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-Cytochrome P450 Reductase ; ligands: EPE,FAD ; X-RAY DIFFRACTION 1.8Å

e1f20A4[A:1039-1169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITRIC-OXIDE SYNTHASE ; ligands: GOL ; X-RAY DIFFRACTION 1.9Å

e8dmeB4[B:706-824] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: FAD ; ELECTRON MICROSCOPY

e8dmgA4[A:706-824] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: FAD ; ELECTRON MICROSCOPY

e8dmgB4[B:706-824] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: FAD ; ELECTRON MICROSCOPY

e5fa6A1[A:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5fa6B2[B:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5emnA4[A:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e5emnB1[B:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e1amoA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.6Å

e1amoB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.6Å

e3fjoA4[A:306-431] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1j9zA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-Cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e1j9zB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-Cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e1ja0A4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.6Å

e1ja1B4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-Cytochrome P450 Reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e3ojwA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e3ojxA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-Cytochrome P450 Reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e3qfsA3[A:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.4Å

e3qftA3[A:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.4Å

e3wktA3[A:322-447] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 4.3Å

e3wktB2[B:322-447] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 4.3Å

e4dqlA4[A:707-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bifunctional P-450/NADPH-P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.15Å

e2qtlA4[A:217-257,A:319-448] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Methionine synthase reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.900Å

e2qtzA3[A:217-257,A:319-448] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Methionine synthase reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.900Å

e4dqkB4[B:707-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bifunctional P-450/NADPH-P450 reductase ; ligands: FAD,PG4,SO4 ; X-RAY DIFFRACTION 2.4Å

e4dqlB4[B:707-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bifunctional P-450/NADPH-P450 reductase ; ligands: FAD,PG4,SO4 ; X-RAY DIFFRACTION 2.15Å

e4dqkA4[A:707-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bifunctional P-450/NADPH-P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.4Å

e3es9B2[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 3.4Å

e1tllA1[A:1039-1170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITRIC-OXIDE SYNTHASE, BRAIN ; ligands: SO3 ; X-RAY DIFFRACTION 2.3Å

e1ja0B2[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.6Å

e3qfcB3[B:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e3es9A1[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 3.4Å

e3es9C2[C:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 3.4Å

e1tllB2[B:3039-3170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITRIC-OXIDE SYNTHASE, BRAIN ; ligands: SO3 ; X-RAY DIFFRACTION 2.3Å

e3qfcA1[A:329-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e2bf4B1[B:313-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH-CYTOCHROME P450 REDUCTASE ; ligands: FAD,FMN ; X-RAY DIFFRACTION 3.000Å

e2bn4A1[A:313-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.900Å

e2bn4B1[B:313-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH CYTOCHROME P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.900Å

e2bpoA1[A:313-436] Image Pymol Jmol Links: PDB, SCOP, CATH

NADPH-CYTOCHROM P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.900Å

e2bpoB1[B:313-436] Image Pymol Jmol Links: PDB, SCOP, CATH

NADPH-CYTOCHROM P450 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.900Å

e4y9rA3[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.40Å

e4y9rB2[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.40Å

e4y9uA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.95Å

e4y9uB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.95Å

e4yalA2[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.88Å

e4yalB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.88Å

e4yaoA1[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.50Å

e4yaoB2[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.50Å

e4yauA3[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.20Å

e4yauB1[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.20Å

e4yawA1[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.00Å

e4yawB1[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.00Å

e4yafA1[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.91Å

e4yafB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.91Å

e5gxuA4[A:358-486] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase 2 ; ligands: FAD ; X-RAY DIFFRACTION 2.3000Å

e5gxuB1[B:358-486] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase 2 ; ligands: FAD ; X-RAY DIFFRACTION 2.3000Å

e5urdA3[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.9Å

e5urdB1[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.9Å

e5ureA2[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5ureB4[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5urgA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5urhA3[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e5urhB1[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e5uriA2[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e5urgB3[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e5uriB3[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e6njrA4[A:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e6njrB3[B:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e6j79B4[B:499-624] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.33Å

e6j79A4[A:499-624] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.33Å

e6j7aA4[A:503-628] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.25Å

e6j7aB4[B:503-628] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.25Å

e6j7iA4[A:501-626] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.3Å

e6j7iB4[B:501-626] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heme oxygenase 1,NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 3.3Å

e6t1tA4[A:310-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.080Å

e6t1tB1[B:310-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.080Å

e6t1uA1[A:310-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.500Å

e6t1uB3[B:310-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.500Å

e7l18BBB2[BBB:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.54Å

e7l18AAA2[AAA:326-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.54Å

e7suxA1[A:351-374,A:394-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.36Å

e7suzA2[A:351-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.500Å

e7sv0A3[A:351-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH--cytochrome P450 reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e8dmeA4[A:706-824] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: FAD ; ELECTRON MICROSCOPY

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes