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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

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

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

H: RIFT-related
T: acid protease

126354, 3-crossover-4

T: double psi

152436, 2-crossover-3, 5-crossover-6

T: AbrB

122'1'344'3', 2-crossover-3, 2'-crossover-3'

T: Bacterial fluorinating enzyme-C

1265437, 2-crossover-3, 6-crossover-7

T: FMN-binding split barrel

123654, 3-crossover-4

T: Surface presentation of antigens (SPOA)

123654, 3-crossover-4, swapping

T: Alanine racemase-C

125436, 2-crossover-3, 5-crossover-6

F: FAD_binding_6

PF00970 CL0105

Representatives:

e1krhA1[A:106-205] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Benzoate 1,2-Dioxygenase Reductase ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 1.5Å

e1fdrA1[A:2-100] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVODOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.70Å

e8ad4B1[B:128-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD,NA,NAI,SO4 ; X-RAY DIFFRACTION 1.500Å

e5tr9A2[A:14-113] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-NADP reductase ; ligands: CL,EDO,FAD,MG ; X-RAY DIFFRACTION 1.650Å

e5tr9B1[B:14-113] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-NADP reductase ; ligands: CL,EDO,FAD,NA ; X-RAY DIFFRACTION 1.650Å

e8ad3A2[A:128-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD,MG ; X-RAY DIFFRACTION 1.550Å

e8ad3B1[B:128-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD ; X-RAY DIFFRACTION 1.550Å

e5jcaS1[S:6-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-dependent Ferredoxin:NADP Oxidoreductase (NfnI) subunit beta ; ligands: FAD,MG ; X-RAY DIFFRACTION 1.5Å

e5jfcS3[S:6-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-dependent Ferredoxin:NADP Oxidoreductase subunit beta ; ligands: FAD,MG ; X-RAY DIFFRACTION 1.589Å

e8ad4A1[A:129-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD,NA,NAI,SO4 ; X-RAY DIFFRACTION 1.500Å

e8ad5A2[A:128-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD,NAI ; X-RAY DIFFRACTION 1.650Å

e5vj7B3[B:1-93] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin-NADP(+) reductase subunit alpha ; ligands: FAD,MG ; X-RAY DIFFRACTION 2.55Å

e8ad5B2[B:128-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FAD,NAI ; X-RAY DIFFRACTION 1.650Å

e1qfjB1[B:1-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FLAVIN REDUCTASE) ; ligands: GOL ; X-RAY DIFFRACTION 2.2Å

e1qfjC1[C:1-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FLAVIN REDUCTASE) ; ligands: GOL ; X-RAY DIFFRACTION 2.2Å

e1qfjD1[D:1-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FLAVIN REDUCTASE) ; ligands: GOL ; X-RAY DIFFRACTION 2.2Å

e1cnfA1[A:11-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITRATE REDUCTASE ; ligands: ADP,FAD ; X-RAY DIFFRACTION 2.7Å

e1i7pA1[A:30-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-CYTOCHROME B5 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.0Å

e1cneA1[A:11-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITRATE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 3.0Å

e1ndhA1[A:3-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOCHROME B5 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

e1qx4B1[B:33-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e1ib0A1[A:30-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-CYTOCHROME B5 REDUCTASE ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.3Å

e1qx4A1[A:33-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e2cndA1[A:11-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-DEPENDENT NITRATE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

e1krhB1[B:106-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Benzoate 1,2-Dioxygenase Reductase ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 1.5Å

e1cqxB1[B:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOPROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 1.75Å

e1gvhA1[A:149-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOPROTEIN ; ligands: FAD,NA ; X-RAY DIFFRACTION 2.19Å

e2xnjA2[A:2-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN NADP-H REDUCTASE ; ligands: FAD,NAP,TRS,ZN ; X-RAY DIFFRACTION 1.90Å

e3ozuA1[A:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOPROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 2.0Å

e4f7dA2[A:17-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin--NADP reductase ; X-RAY DIFFRACTION 2.350Å

e4fk8A2[A:17-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin--NADP reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e4eh1A1[A:2-110] Image Pymol Jmol Links: PDB, SCOP, CATH

Flavohemoprotein ; ligands: CL,FAD,GOL,SO4 ; X-RAY DIFFRACTION 2.20Å

e3fpkA1[A:2-96] Image Pymol Jmol Links: PDB, SCOP, CATH

FERREDOXIN-NADP REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e2bgiA1[A:16-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP(H) REDUCTASE ; ligands: CO2,FAD,HTG ; X-RAY DIFFRACTION 1.68Å

e2qdxA1[A:2-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.55Å

e3ozvB1[B:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 2.4Å

e3ozvA1[A:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD,PO4 ; X-RAY DIFFRACTION 2.4Å

e3ozwA1[A:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD,PO4 ; X-RAY DIFFRACTION 2.3Å

e3ozwB1[B:151-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e4g1bA3[A:146-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 3.0Å

e2r6hA2[A:128-273] Image Pymol Jmol Links: PDB, SCOP, CATH

NADH:UBIQUINONE OXIDOREDUCTASE, NA TRANSLOCATING, F SUBUNIT ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.95Å

e2r6hB1[B:126-273] Image Pymol Jmol Links: PDB, SCOP, CATH

NADH:UBIQUINONE OXIDOREDUCTASE, NA TRANSLOCATING, F SUBUNIT ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.95Å

e2r6hC1[C:124-273] Image Pymol Jmol Links: PDB, SCOP, CATH

NADH:UBIQUINONE OXIDOREDUCTASE, NA TRANSLOCATING, F SUBUNIT ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.95Å

e2r6hD1[D:128-273] Image Pymol Jmol Links: PDB, SCOP, CATH

NADH:UBIQUINONE OXIDOREDUCTASE, NA TRANSLOCATING, F SUBUNIT ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.95Å

e4g1bD1[D:146-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 3.0Å

e4g1bC1[C:146-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 3.0Å

e4g1bB1[B:146-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOGLOBIN ; ligands: FAD ; X-RAY DIFFRACTION 3.0Å

e3w2eA1[A:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.10Å

e3w2fA1[A:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 1.75Å

e3w2gA1[A:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 1.68Å

e3w2hA1[A:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 1.75Å

e3w2iA1[A:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 1.81Å

e3w5hA1[A:1001-1125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,GOL ; X-RAY DIFFRACTION 0.78Å

e4b4dA1[A:4-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.5Å

e4fk8B3[B:17-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin--NADP reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e4f7dB3[B:16-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin--NADP reductase ; X-RAY DIFFRACTION 2.350Å

e2xnjB3[B:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN NADP-H REDUCTASE ; ligands: FAD,NAP,TRS,ZN ; X-RAY DIFFRACTION 1.90Å

e3fpkB5[B:2-97] Image Pymol Jmol Links: PDB, SCOP, CATH

FERREDOXIN-NADP REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e4k1xA5[A:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH:ferredoxin reductase ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 1.700Å

e2vnjA5[A:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD,HTG ; X-RAY DIFFRACTION 2.13Å

e2bgjC5[C:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP(H) REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e3crzA5[A:2-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP+ REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.9Å

e2vnkB5[B:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.93Å

e2vnkD5[D:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.93Å

e4k1xB5[B:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH:ferredoxin reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.700Å

e2bgjA5[A:13-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP(H) REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e2bgjD5[D:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP(H) REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e2vnkA5[A:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.93Å

e2vnkC5[C:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.93Å

e2bgjB5[B:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP(H) REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.100Å

e2vnhA5[A:13-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD,HTG ; X-RAY DIFFRACTION 2.27Å

e2vniA5[A:16-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADPH\:FERREDOXIN REDUCTASE ; ligands: FAD,HTG ; X-RAY DIFFRACTION 2.24Å

e2eixB4[B:39-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-CYTOCHROME B5 REDUCTASE ; ligands: FAD,GOL,IOD ; X-RAY DIFFRACTION 1.56Å

e2eixA3[A:39-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-CYTOCHROME B5 REDUCTASE ; ligands: FAD,GOL,IOD ; X-RAY DIFFRACTION 1.56Å

e4eh1B5[B:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH

Flavohemoprotein ; ligands: CL,FAD,GOL ; X-RAY DIFFRACTION 2.20Å

e4g1vA6[A:146-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Flavohemoglobin ; ligands: FAD ; X-RAY DIFFRACTION 2.098Å

e4u9uA2[A:130-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: ACT,FAD,MG ; X-RAY DIFFRACTION 1.550Å

e4u9uB1[B:130-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: ACT,FAD,MG ; X-RAY DIFFRACTION 1.550Å

e4uajA2[A:129-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.700Å

e4wqmA2[A:100-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Toluene-4-monooxygenase electron transfer component ; ligands: BTB,FAD ; X-RAY DIFFRACTION 1.620Å

e5gv7A1[A:1001-1125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,GOL ; X-RAY DIFFRACTION 0.800Å

e5gv8A2[A:1001-1125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-cytochrome b5 reductase 3 ; ligands: FAD,GOL ; X-RAY DIFFRACTION 0.780Å

e5ue9B3[B:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit ; ligands: FAD ; X-RAY DIFFRACTION 2.72Å

e5ue9D1[D:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit ; ligands: FAD ; X-RAY DIFFRACTION 2.72Å

e5ylyB1[B:595-721] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrate reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.758Å

e5ylyA1[A:596-721] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrate reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.758Å

e5ogxA3[A:98-196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytochrome P450 reductase ; ligands: BR,FAD ; X-RAY DIFFRACTION 1.72Å

e6o0aA3[A:151-255] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Flavohemoglobin ; ligands: FAD,MPD ; X-RAY DIFFRACTION 1.700Å

e6mv1A1[A:272-382] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytochrome b5 reductase 4 ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.150Å

e6mv2A1[A:272-382] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytochrome b5 reductase 4 ; ligands: FAD,NAP ; X-RAY DIFFRACTION 2.050Å

e6rr3A1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin-NADP reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.69Å

e6rraA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin--NADP reductase ; ligands: FAD ; X-RAY DIFFRACTION 1.40Å

e6l2uB1[B:104-206] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Methane monooxygenase ; ligands: FAD ; X-RAY DIFFRACTION 1.5Å

e7c3aC1[C:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: FAD,IOD ; X-RAY DIFFRACTION 2.60Å

e7c3aA3[A:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: CL,FAD,IOD ; X-RAY DIFFRACTION 2.60Å

e7c3aB3[B:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: FAD ; X-RAY DIFFRACTION 2.60Å

e7c3bA3[A:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: CL ; X-RAY DIFFRACTION 2.40Å

e7c3bB3[B:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: CL ; X-RAY DIFFRACTION 2.40Å

e7c3bC1[C:100-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin reductase component of carbazole ; ligands: CL ; X-RAY DIFFRACTION 2.40Å

e7qu5A2[A:128-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: DMS,FAD,YVR ; X-RAY DIFFRACTION 1.250Å

e7qtyA1[A:127-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: DMS,FAD ; X-RAY DIFFRACTION 1.690Å

e8dosA1[A:2-100] Image Pymol Jmol Links: PDB, SCOP, CATH

Flavodoxin/ferredoxin--NADP reductase ; ligands: 1PE,FAD,NAP ; X-RAY DIFFRACTION 1.872Å

e8dosB2[B:3-100] Image Pymol Jmol Links: PDB, SCOP, CATH

Flavodoxin/ferredoxin--NADP reductase ; ligands: 1PE,CA,FAD,NAP ; X-RAY DIFFRACTION 1.872Å

e7romA2[A:30-143] Image Pymol Jmol Links: PDB, SCOP, CATH

NADH-cytochrome b5 reductase 1 ; ligands: CL,FAD,PGE ; X-RAY DIFFRACTION 1.650Å

e7qu3A2[A:128-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: DMS,FAD,RYM ; X-RAY DIFFRACTION 1.600Å

e7qu0A1[A:127-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Na(+)-translocating NADH-quinone reductase subunit F ; ligands: DMS,FAD ; X-RAY DIFFRACTION 1.620Å

e2xncA1[A:14-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP REDUCTASE, LEAF ISOZYME, CHLOROPLASTIC ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.90Å

e2xncB1[B:13-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP REDUCTASE, LEAF ISOZYME, CHLOROPLASTIC ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 2.90Å

e3jqpB2[B:3-61,B:94-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.8Å

e3jqqB2[B:5-62,B:94-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.1Å

e3vo1B4[B:20-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.0Å

e1gaqA1[A:26-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP+ REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.59Å

e1gaqC1[C:26-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP+ REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.59Å

e1gawA1[A:26-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP+ REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e1gawB1[B:26-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN-NADP+ REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e1qg0B1[B:1020-1150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1qfyB1[B:520-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN: NADP+ REDUCTASE) ; ligands: FAD,NAP,SO4 ; X-RAY DIFFRACTION 1.8Å

e1qg0A1[A:20-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1qfzB1[B:520-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD,NDP,SO4 ; X-RAY DIFFRACTION 1.7Å

e1qfzA1[A:20-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD,NDP,SO4 ; X-RAY DIFFRACTION 1.7Å

e1qfyA1[A:20-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN: NADP+ REDUCTASE) ; ligands: FAD,NAP,SO4 ; X-RAY DIFFRACTION 1.8Å

e1qgaA1[A:20-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD,NAP,SO4 ; X-RAY DIFFRACTION 2.0Å

e1qgaB1[B:520-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FERREDOXIN:NADP+ REDUCTASE) ; ligands: FAD,NAP,SO4 ; X-RAY DIFFRACTION 2.0Å

e3vo1A1[A:20-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.0Å

e3mhpA1[A:14-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP REDUCTASE, LEAF ISOZYME, CHLOROPLASTIC ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e3mhpB1[B:14-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP REDUCTASE, LEAF ISOZYME, CHLOROPLASTIC ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e3jqpA2[A:5-61,A:96-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.8Å

e2ok7F2[F:6-62,F:97-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE FERREDOXIN--NADP REDUCTASE ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.7Å

e3jqpC2[C:5-62,C:97-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.8Å

e3jqpF2[F:6-62,F:97-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.8Å

e3jqqD2[D:4-62,D:97-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferredoxin NADP reductase ; ligands: A2P,FAD ; X-RAY DIFFRACTION 2.1Å

e3w5uA1[A:19-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e3w5uC1[C:19-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e3w5uE1[E:19-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e3w5uG1[G:19-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e3w5vA1[A:18-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 3.81Å

e3w5vC1[C:18-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN ; ligands: FAD ; X-RAY DIFFRACTION 3.81Å

e3vo2A1[A:19-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE UNCHARACTERIZED PROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 1.39Å

e4c43A1[A:9-141] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN--NADP REDUCTASE ; ligands: FAD,GOL ; X-RAY DIFFRACTION 1.7Å

e3vo2B4[B:19-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE UNCHARACTERIZED PROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 1.39Å

e1sm4B1[B:1074-1204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chloroplast ferredoxin-NADP+ oxidoreductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1sm4A1[A:74-204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chloroplast ferredoxin-NADP+ oxidoreductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1cqxA1[A:151-261] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAVOHEMOPROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 1.75Å

e1umkA1[A:30-153] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-CYTOCHROME B5 REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.75Å

e1a8pA1[A:2-100] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

NADPH\:FERREDOXIN OXIDOREDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.0Å

e1ep3B1[B:2-102] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROOROTATE DEHYDROGENASE B (PYRK SUBUNIT) ; ligands: FAD ; X-RAY DIFFRACTION 2.1Å

e1qfjA1[A:1-97] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (FLAVIN REDUCTASE) ; ligands: GOL ; X-RAY DIFFRACTION 2.2Å

e4ylfA1[A:1-97] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit homolog ; ligands: FAD ; X-RAY DIFFRACTION 2.3Å

e1tvcA1[A:2-110] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

METHANE MONOOXYGENASE COMPONENT C ; ligands: FDA ; SOLUTION NMR

e2piaA1[A:1-103] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

PHTHALATE DIOXYGENASE REDUCTASE ; ligands: FMN ; X-RAY DIFFRACTION

e4p6vF2[F:128-268] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: FAD

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.

T: Aminomethyltransferase beta-barrel domain

143256, 1-crossover-2, 4-crossover-5

T: PUA domain

12543, 2-crossover-3

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