Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices




Representatives:
e2k3qA1[A:1-118]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
TuSp1 ; SOLUTION NMR
e4fbsA2[A:7-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: BR ; X-RAY DIFFRACTION 1.7Å
e3lr2A1[A:6-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: EDO,PEG ; X-RAY DIFFRACTION 1.7Å
e3lr6B1[B:6-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.2Å
e3lrdA1[A:6-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: EDO ; X-RAY DIFFRACTION 2.06Å
e2lpiA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MAJOR AMPULLATE SPIDROIN 1 ; SOLUTION NMR
e2lpjA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MAJOR AMPULLATE SPIDROIN 1 ; SOLUTION NMR
e3lr2B1[B:6-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: PEG ; X-RAY DIFFRACTION 1.7Å
e3lr8A1[A:1-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: EDO,PEG,PGE ; X-RAY DIFFRACTION 2.3Å
e3lr8B1[B:7-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: EDO,PEG,PGE ; X-RAY DIFFRACTION 2.3Å
e2lthA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MAJOR AMPULLATE SPIDROIN 1 ; SOLUTION NMR
e2lthB1[B:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MAJOR AMPULLATE SPIDROIN 1 ; SOLUTION NMR
e3lr6A1[A:6-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: PGE ; X-RAY DIFFRACTION 2.2Å
e3lrdB1[B:6-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: EDO,PGE ; X-RAY DIFFRACTION 2.06Å
e2mx8A1[A:1-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Minor ampullate spidroin ; SOLUTION NMR
e2mx9A1[A:1-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Minor ampullate spidroin ; SOLUTION NMR
e2mx9B1[B:1-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Minor ampullate spidroin ; SOLUTION NMR
e2n3eA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH
Major ampullate spidroin 1 ; SOLUTION NMR
e5iz2B1[B:6-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1A ; X-RAY DIFFRACTION 2.02Å
e5iz2A1[A:6-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1A ; X-RAY DIFFRACTION 2.02Å
e6r9dA1[A:5-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.1Å
e6r9dB1[B:6-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.1Å
e6r9dC1[C:6-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.1Å
e6r9dD1[D:6-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.1Å
e6r9dE1[E:6-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.1Å
e6r9dF1[F:6-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1 ; X-RAY DIFFRACTION 2.1Å
e6qjyA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Major ampullate spidroin 1 ; SOLUTION NMR
e7butA1[A:1-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Aciniform Spidroin ; SOLUTION NMR
e7a0iA1[A:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagelliform spidroin variant 1 ; SOLUTION NMR
e7a0oA1[A:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagelliform spidroin variant 1 ; SOLUTION NMR
e7a0oB1[B:1-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagelliform spidroin variant 1 ; SOLUTION NMR
e7oomA1[A:10-134] Image Pymol Jmol Links: PDB, SCOP, CATH
Flagelliform spidroin variant 1 ; X-RAY DIFFRACTION 1.800Å
e7oomB1[B:11-135] Image Pymol Jmol Links: PDB, SCOP, CATH
Flagelliform spidroin variant 1 ; X-RAY DIFFRACTION 1.800Å
e8gs7A1[A:1-138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 2 variant 3 ; SOLUTION NMR
e7wioA1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Major ampullate spidroin 1A ; SOLUTION NMR
e6tv5A1[A:1-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Tubuliform spidroin 1 ; SOLUTION NMR
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
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