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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

X: PWI domain-like
H: N-terminal domain of egg case silk protein TuSp1
T: N-terminal domain of egg case silk protein TuSp1
F: Spidroin_N

PF16763

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