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
beta meanderssingle beta-sheet with mainly meander topology
beta sandwichestwo beta-sheets stacked together to form a sandwich




Representatives:
e2bw4A1[A:8-164]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,SO4 ; X-RAY DIFFRACTION 0.9Å
e2q9oA1[A:1-162]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
LACCASE-1 ; ligands: CL,CU,MAN,NAG,OXY ; X-RAY DIFFRACTION 1.3Å
e1kv7A1[A:31-170]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
PROBABLE BLUE-COPPER PROTEIN YACK ; ligands: C2O,CU ; X-RAY DIFFRACTION 1.4Å
e1hfuA1[A:1-131]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
LACCASE 1 ; ligands: CU ; X-RAY DIFFRACTION 1.680Å
e1gskA1[A:2-182]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
SPORE COAT PROTEIN A ; ligands: C1O,C2O,GOL ; X-RAY DIFFRACTION 1.7Å
e1gs8A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.900Å
e2bo0A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ZN ; X-RAY DIFFRACTION 1.350Å
e1oe2A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.120Å
e2jfcD1[D:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e1mzzC1[C:2041-2193] Image Pymol Jmol Links: PDB, SCOP, CATH
Copper-containing nitrite reductase ; ligands: CU ; X-RAY DIFFRACTION 2.0Å
e2jfcB1[B:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e1mzzA1[A:41-193] Image Pymol Jmol Links: PDB, SCOP, CATH
Copper-containing nitrite reductase ; ligands: CU ; X-RAY DIFFRACTION 2.0Å
e1wa2X1[X:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE, ; ligands: CU,NO2,SO4,ZN ; X-RAY DIFFRACTION 1.720Å
e2vw6B1[B:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e2jfcC1[C:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e1gs6X1[X:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.200Å
e2jfcE1[E:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e1mzzB1[B:1041-1193] Image Pymol Jmol Links: PDB, SCOP, CATH
Copper-containing nitrite reductase ; ligands: CU ; X-RAY DIFFRACTION 2.0Å
e2vm3A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.8Å
e2jfcF1[F:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e1oe3A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.150Å
e1ndtA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITRITE REDUCTASE) ; ligands: CL,CU ; X-RAY DIFFRACTION 2.1Å
e2vm4A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.9Å
e1hauA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.9Å
e2vw7B1[B:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e1hawA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU1 ; X-RAY DIFFRACTION 1.9Å
e1oe1A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.040Å
e1gs7A1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.850Å
e1wa0X1[X:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,SO4,ZN ; X-RAY DIFFRACTION 1.600Å
e2vw7A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e2vw6A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e1wa1X1[X:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,SO4 ; X-RAY DIFFRACTION 1.650Å
e2vw4B1[B:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e2vw4A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.90Å
e2jfcA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 2.4Å
e2xwzA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO2,SO4 ; X-RAY DIFFRACTION 2.34Å
e2vn3A1[A:1-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,SO4 ; X-RAY DIFFRACTION 2.35Å
e2bp0A1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.9Å
e2bp0B1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.9Å
e2bp8A1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.9Å
e2bp8B1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.9Å
e2zonA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,HEM ; X-RAY DIFFRACTION 1.7Å
e2zonB1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.7Å
e2zonC1[C:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.7Å
e2xwzF1[F:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO2,SO4 ; X-RAY DIFFRACTION 2.34Å
e2xx1A1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xx1B1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xx1C1[C:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xx1D1[D:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xx1E1[E:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xx1F1[F:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,SO4 ; X-RAY DIFFRACTION 3.0Å
e2xxgA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,MES,PEG,ZN ; X-RAY DIFFRACTION 1.60Å
e2xxgC1[C:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,MES,PEG,ZN ; X-RAY DIFFRACTION 1.60Å
e2xx0A1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.46Å
e2xx0B1[B:1-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.46Å
e2xxfA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,MES,PEG,ZN ; X-RAY DIFFRACTION 1.5Å
e2xxfB1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,MES,PEG,ZN ; X-RAY DIFFRACTION 1.5Å
e2xwzB1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO2,SO4 ; X-RAY DIFFRACTION 2.34Å
e2xwzC1[C:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO,SO4 ; X-RAY DIFFRACTION 2.34Å
e2xwzD1[D:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO2,SO4 ; X-RAY DIFFRACTION 2.34Å
e2xwzE1[E:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: ACT,CU,NO,SO4 ; X-RAY DIFFRACTION 2.34Å
e4cspA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.69Å
e4cspF1[F:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 1.69Å
e4cszA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU,NO2,PEG,ZN ; X-RAY DIFFRACTION 1.75Å
e3ziyA2[A:4-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.01Å
e1of0A1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH
SPORE COAT PROTEIN A ; ligands: C1O,CU1,GOL,OXY ; X-RAY DIFFRACTION 2.450Å
e1uvwA1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e1w6lA1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,GOL,OXY ; X-RAY DIFFRACTION 2.0Å
e1w6wA1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: AZI,CU,GOL ; X-RAY DIFFRACTION 2.2Å
e1w8eA1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,GOL,PER ; X-RAY DIFFRACTION 2.2Å
e2bhfA1[A:2-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU1,GOL ; X-RAY DIFFRACTION 2.5Å
e3wkpA2[A:18-166] Image Pymol Jmol Links: PDB, SCOP, CATH
Nitrite reductase ; ligands: CU,MPD,NO2,PEG ; X-RAY DIFFRACTION 1.901Å
e4ax3C5[C:4-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.60Å
e4ax3B5[B:4-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.60Å
e4ax3D5[D:2-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.60Å
e4ax3A5[A:3-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COPPER-CONTAINING NITRITE REDUCTASE ; ligands: CU ; X-RAY DIFFRACTION 1.60Å
e2x88A7[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,MPD,OXY ; X-RAY DIFFRACTION 1.80Å
e4akpA10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,EDO,OXY ; X-RAY DIFFRACTION 2.0Å
e4a67A10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,PER ; X-RAY DIFFRACTION 2.1Å
e4a68A10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,MPD,OH,PER ; X-RAY DIFFRACTION 2.0Å
e4a66A6[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,EDO,PER ; X-RAY DIFFRACTION 1.95Å
e4akoA6[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,EDO,OXY ; X-RAY DIFFRACTION 1.7Å
e4akqA10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN ; ligands: CU,EDO,OXY ; X-RAY DIFFRACTION 2.1Å
e2wsdA10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,EDO,OXY ; X-RAY DIFFRACTION 1.6Å
e3zdwA6[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COTA LACCASE ; ligands: CU1,GOL,OXY ; X-RAY DIFFRACTION 2.4Å
e2x87A10[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SPORE COAT PROTEIN A ; ligands: CU,EDO,OH ; X-RAY DIFFRACTION 2.0Å
e3x1nA2[A:18-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrite reductase ; ligands: CU,NO2 ; X-RAY DIFFRACTION 1.55Å
e4q89B1[B:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH
Spore coat protein A ; ligands: CU ; X-RAY DIFFRACTION 2.31Å
e4q8bA2[A:2-175] Image Pymol Jmol Links: PDB, SCOP, CATH
Spore coat protein A ; ligands: CU,OXY ; X-RAY DIFFRACTION 1.91Å
e4q89A3[A:1-170] Image Pymol Jmol Links: PDB, SCOP, CATH
Spore coat protein A ; ligands: CU ; X-RAY DIFFRACTION 2.31Å
e4q8bB1[B:2-170] Image Pymol Jmol Links: PDB, SCOP, CATH
Spore coat protein A ; ligands: CU,PGE ; X-RAY DIFFRACTION 1.91Å
e4yvnA1[A:2-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Spore coat protein A ; ligands: CU,EDO,GOL ; X-RAY DIFFRACTION 2.30Å
e4yvuA3[A:2-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Spore coat protein A ; ligands: CU,EDO,GOL ; X-RAY DIFFRACTION 2.30Å
e5b1jA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Copper-containing nitrite reductase ; ligands: CU ; X-RAY DIFFRACTION 3.0Å
e5b1jB1[B:2-159] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Copper-containing nitrite reductase ; ligands: CU ; X-RAY DIFFRACTION 3.0Å
e5b1kA1[A:2-159] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Copper-containing nitrite reductase ; ligands: CL,CU ; X-RAY DIFFRACTION 1.35Å
e1aozA1[A:1-129]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ASCORBATE OXIDASE ; ligands: C1O,C2O,NAG ; X-RAY DIFFRACTION 1.9Å
e1kbvA1[A:13-163]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Major outer membrane protein PAN 1 ; ligands: CU,NO2 ; X-RAY DIFFRACTION 1.95Å
e3gyrA1[A:37-230]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
Phenoxazinone synthase ; ligands: C2O,CU ; X-RAY DIFFRACTION 2.300Å
e1sddB3[B:1538-1723]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
COAGULATION FACTOR V ; ligands: NAG,NDG ; X-RAY DIFFRACTION 2.8Å
e2j5wA1[A:1-192]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CERULOPLASMIN ; ligands: CA,CU,GOL,NA,NAG,O,OXY ; X-RAY DIFFRACTION 2.8Å

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