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
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
looks like an elaborated ferredoxin
contains a HTH motif
Representatives:
e1fi4A2[A:3-190] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE 5-DIPHOSPHATE DECARBOXYLASE ; X-RAY DIFFRACTION 2.25Å
e3f0nA1[A:-3-193] Image Pymol Jmol Links: PDB, SCOP, CATH
MEVALONATE PYROPHOSPHATE DECARBOXYLASE ; ligands: PO4 ; X-RAY DIFFRACTION 1.900Å
e3d4jA1[A:8-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DIPHOSPHOMEVALONATE DECARBOXYLASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.4Å
e3f0nB2[B:7-193] Image Pymol Jmol Links: PDB, SCOP, CATH
MEVALONATE PYROPHOSPHATE DECARBOXYLASE ; ligands: PO4 ; X-RAY DIFFRACTION 1.900Å
e2hkeB2[B:4-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase, putative ; ligands: SO4 ; X-RAY DIFFRACTION 1.800Å
e2hkeA3[A:4-182] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase, putative ; ligands: SO4 ; X-RAY DIFFRACTION 1.800Å
e3ltoA3[A:9-178] Image Pymol Jmol Links: PDB, SCOP, CATH
Mevalonate diphosphate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.27Å
e3ltoB3[B:10-178] Image Pymol Jmol Links: PDB, SCOP, CATH
Mevalonate diphosphate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.27Å
e3qt6A5[A:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0 ; X-RAY DIFFRACTION 2.05Å
e2hk2B5[B:1000-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; X-RAY DIFFRACTION 2.300Å
e2hk3B5[B:1000-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DIPHOSPHOMEVALONATE DECARBOXYLASE ; X-RAY DIFFRACTION 2.3Å
e3qt5A3[A:-1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; X-RAY DIFFRACTION 1.85Å
e2hk3A5[A:1000-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DIPHOSPHOMEVALONATE DECARBOXYLASE ; X-RAY DIFFRACTION 2.3Å
e3qt7A5[A:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FM0 ; X-RAY DIFFRACTION 2.2Å
e3qt8A3[A:-4-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FM0,GOL ; X-RAY DIFFRACTION 2.1Å
e3qt8B5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FM0 ; X-RAY DIFFRACTION 2.1Å
e3qt5B5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; X-RAY DIFFRACTION 1.85Å
e3qt6B5[B:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0 ; X-RAY DIFFRACTION 2.05Å
e4du8A5[A:-2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0,GOL ; X-RAY DIFFRACTION 2.1Å
e4dptA5[A:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: GOL ; X-RAY DIFFRACTION 2.19Å
e2gs8A3[A:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH
MEVALONATE PYROPHOSPHATE DECARBOXYLASE ; ligands: EDO ; X-RAY DIFFRACTION 1.5Å
e3qt7B5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FM0 ; X-RAY DIFFRACTION 2.2Å
e4dpyA5[A:-2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0 ; X-RAY DIFFRACTION 2.14Å
e4dpxA5[A:-2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FMT,GOL ; X-RAY DIFFRACTION 1.95Å
e4dpuB5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,FM0 ; X-RAY DIFFRACTION 1.9Å
e4dpuA5[A:-2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,FM0 ; X-RAY DIFFRACTION 1.9Å
e4dpwB5[B:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6 ; X-RAY DIFFRACTION 2.6Å
e4dpwA5[A:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6,FMT ; X-RAY DIFFRACTION 2.6Å
e4dpwE5[E:-1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6,FMT ; X-RAY DIFFRACTION 2.6Å
e4dpwG5[G:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6,FMT ; X-RAY DIFFRACTION 2.6Å
e4dpwD5[D:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6 ; X-RAY DIFFRACTION 2.6Å
e4dpwF5[F:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6 ; X-RAY DIFFRACTION 2.6Å
e4dpwC5[C:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6 ; X-RAY DIFFRACTION 2.6Å
e4dpwH5[H:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,DP6 ; X-RAY DIFFRACTION 2.6Å
e4du7A5[A:-1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: DP6,FMT ; X-RAY DIFFRACTION 2.2Å
e4dpxB5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: FMT,GOL ; X-RAY DIFFRACTION 1.95Å
e4dptB5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: AGS,FM0 ; X-RAY DIFFRACTION 2.19Å
e4du7B5[B:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: DP6,FMT ; X-RAY DIFFRACTION 2.2Å
e4dpyB5[B:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0 ; X-RAY DIFFRACTION 2.14Å
e4du8B5[B:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEVALONATE DIPHOSPHATE DECARBOXYLASE ; ligands: 2P0 ; X-RAY DIFFRACTION 2.1Å
e3d4jB3[B:9-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DIPHOSPHOMEVALONATE DECARBOXYLASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.4Å
e2hk2A5[A:1000-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; X-RAY DIFFRACTION 2.300Å
e4rkpB1[B:-1-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: ACT,SO4 ; X-RAY DIFFRACTION 2.000Å
e4rkpA1[A:2-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: ACT,SO4 ; X-RAY DIFFRACTION 2.000Å
e4rksA2[A:2-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: MEV,SO4 ; X-RAY DIFFRACTION 2.000Å
e4rksB2[B:-1-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: ACT,GOL,MEV,SO4 ; X-RAY DIFFRACTION 2.000Å
e4rkzA2[A:2-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: 3S4,ADP,SO4 ; X-RAY DIFFRACTION 2.300Å
e4rkzB2[B:-1-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative uncharacterized protein Ta1305 ; ligands: 3S4,SO4 ; X-RAY DIFFRACTION 2.300Å
e4z7cA1[A:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: GOL,NA,PO4 ; X-RAY DIFFRACTION 2.20Å
e4z7yA1[A:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e4z7yB1[B:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e4z7yC1[C:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e4z7yD1[D:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e4z7yE1[E:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e4z7yF1[F:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2.7Å
e5gmdA1[A:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: AGS,AMP,DP6,SO4 ; X-RAY DIFFRACTION 1.50Å
e5gmeA1[A:2-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: ADP,AMP,DP6,SO4 ; X-RAY DIFFRACTION 1.70Å
e5v2lA1[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: ATP,PO4 ; X-RAY DIFFRACTION 2.1Å
e5v2mA2[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 2Å
e6n10A1[A:3-198] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase MVD1, peroxisomal ; ligands: DP6,SO4 ; X-RAY DIFFRACTION 2.30Å
e6n0xA1[A:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0xB1[B:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0xC2[C:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0xD1[D:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0xE1[E:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0xF2[F:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: PMV ; X-RAY DIFFRACTION 1.44Å
e6n0yA1[A:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0yB2[B:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0yC2[C:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0yD1[D:1-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0yE1[E:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0yF2[F:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 2.20Å
e6n0zA1[A:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6n0zB1[B:-3-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6n0zC1[C:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6n0zD2[D:-2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6n0zE1[E:2-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6n0zF1[F:0-168] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Diphosphomevalonate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.950Å
e6e2sA2[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 1.791Å
e6e2tA1[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: DP6 ; X-RAY DIFFRACTION 1.692Å
e6e2uA1[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: ACP,DP6,MG ; X-RAY DIFFRACTION 2.045Å
e6e2vA2[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: ADP,BEF,DP6,MG ; X-RAY DIFFRACTION 2.1Å
e6e2wA1[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: ADP,CO,DP6,SO4 ; X-RAY DIFFRACTION 1.95Å
e6e2yA2[A:0-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mevalonate diphosphate decarboxylase ; ligands: ADP,CO,DP6,SO4 ; X-RAY DIFFRACTION 2.34Å
e6xr5A2[A:0-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: ADE,SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5B2[B:0-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: ADE,SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5C2[C:0-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5D2[D:0-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: ADE,SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5E2[E:1-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: ADE,SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5F1[F:1-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.700Å
e6xr5G2[G:1-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: EDO ; X-RAY DIFFRACTION 1.700Å
e6xr5H2[H:0-191] Image Pymol Jmol Links: PDB, SCOP, CATH
Diphosphomevalonate decarboxylase ; ligands: ADE,SO4 ; X-RAY DIFFRACTION 1.700Å
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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