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

some similarity with Ig fold



Representatives:
e4ba0A3[A:587-668]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ALPHA-GLUCOSIDASE, PUTATIVE, ADG31B ; ligands: ARG,PGE ; X-RAY DIFFRACTION 1.85Å
e2f2hA1[A:586-665]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 1.95Å
e8t7zF3[F:594-673] Image Pymol Jmol Links: PDB, SCOP, CATH
; X-RAY DIFFRACTION 2.70Å
e8t7zA4[A:594-673] Image Pymol Jmol Links: PDB, SCOP, CATH
; X-RAY DIFFRACTION 2.70Å
e8t7zC4[C:594-673] Image Pymol Jmol Links: PDB, SCOP, CATH
; X-RAY DIFFRACTION 2.70Å
e8t7zD2[D:594-673] Image Pymol Jmol Links: PDB, SCOP, CATH
; X-RAY DIFFRACTION 2.70Å
e8t7zE1[E:594-673] Image Pymol Jmol Links: PDB, SCOP, CATH
; X-RAY DIFFRACTION 2.70Å
e8cb6A4[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: CL,EDO,SO4 ; X-RAY DIFFRACTION 1.90Å
e3m46A3[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Uncharacterized protein ; X-RAY DIFFRACTION 2.65Å
e3m6dA4[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Uncharacterized protein ; X-RAY DIFFRACTION 2.90Å
e3m6dB4[B:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Uncharacterized protein ; X-RAY DIFFRACTION 2.90Å
e3mkkB4[B:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
alpha-glucosidase GH31 family ; X-RAY DIFFRACTION 1.91Å
e3n04A4[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.02Å
e3n04B4[B:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.02Å
e3nukA4[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.05Å
e3nukB4[B:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.05Å
e3phaA4[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 2.173Å
e3phaC4[C:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 2.173Å
e3pocA4[A:526-663] Image Pymol Jmol Links: PDB, SCOP, CATH
ALPHA-GLUCOSIDASE ; ligands: GOL ; X-RAY DIFFRACTION 1.99Å
e3mkkA3[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
alpha-glucosidase GH31 family ; X-RAY DIFFRACTION 1.91Å
e3pocB3[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
ALPHA-GLUCOSIDASE ; ligands: ACR ; X-RAY DIFFRACTION 1.99Å
e3nsxA3[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 1.569Å
e3m46B1[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Uncharacterized protein ; X-RAY DIFFRACTION 2.65Å
e3phaB2[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 2.173Å
e3phaD3[D:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 2.173Å
e3nsxB2[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
alpha-glucosidase ; X-RAY DIFFRACTION 1.569Å
e6ca3A1[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; ligands: GOL ; X-RAY DIFFRACTION 1.74Å
e6c9xA1[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; ligands: CL,GOL ; X-RAY DIFFRACTION 1.457Å
e6ca1A2[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å
e6c9zA2[A:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; X-RAY DIFFRACTION 2.10Å
e6c9zB3[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; X-RAY DIFFRACTION 2.10Å
e6ca3B2[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; X-RAY DIFFRACTION 1.74Å
e6ca1B2[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å
e6c9xB3[B:525-663] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycosyl hydrolase, family 31 ; ligands: CL,GOL ; X-RAY DIFFRACTION 1.457Å
e1we5A1[A:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1we5B1[B:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1we5C1[C:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1we5D1[D:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1we5E1[E:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1we5F1[F:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.4Å
e1xsiA1[A:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; X-RAY DIFFRACTION 2.2Å
e1xsiB1[B:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; ligands: MPO,SO4 ; X-RAY DIFFRACTION 2.2Å
e1xsiC1[C:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; ligands: MPO,SO4 ; X-RAY DIFFRACTION 2.2Å
e1xsiD1[D:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xsiE1[E:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xsiF1[F:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative family 31 glucosidase yicI ; ligands: SO4 ; X-RAY DIFFRACTION 2.2Å
e1xsjA1[A:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xsjB1[B:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xsjC1[C:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xsjD1[D:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xsjE1[E:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xsjF1[F:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.1Å
e1xskA1[A:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; X-RAY DIFFRACTION 2.2Å
e1xskB1[B:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xskC1[C:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xskD1[D:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xskE1[E:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 2.2Å
e1xskF1[F:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: SO4 ; X-RAY DIFFRACTION 2.2Å
e2f2hB1[B:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 1.95Å
e2f2hC1[C:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 1.95Å
e2f2hD1[D:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 1.95Å
e2f2hE1[E:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 1.95Å
e2f2hF1[F:586-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PUTATIVE FAMILY 31 GLUCOSIDASE YICI ; ligands: MPO ; X-RAY DIFFRACTION 1.95Å
e2g3mB5[B:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3mE5[E:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3mA5[A:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3mC5[C:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3mD5[D:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nA5[A:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nB5[B:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nE5[E:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nF5[F:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nC5[C:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e2g3nD5[D:527-604] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; X-RAY DIFFRACTION 2.55Å
e4xpqA2[A:564-628] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; ligands: EDO ; X-RAY DIFFRACTION 1.85Å
e5f7cD2[D:632-720] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 2.6Å
e5f7cA1[A:632-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 2.6Å
e5f7cB1[B:632-720] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 2.6Å
e2x2hD3[D:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.05Å
e2x2hB3[B:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.05Å
e2x2hA3[A:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: ACT,GOL ; X-RAY DIFFRACTION 2.05Å
e4amwC3[C:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 1.90Å
e4amwA3[A:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å
e4amwB3[B:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 1.90Å
e4amwD3[D:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å
e2x2iC3[C:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.60Å
e2x2iA3[A:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.60Å
e2x2iB3[B:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.60Å
e2x2iD3[D:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.60Å
e2x2jA3[A:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.35Å
e2x2jB3[B:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.35Å
e2x2jD3[D:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.35Å
e2x2jC3[C:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.35Å
e4amxC3[C:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; X-RAY DIFFRACTION 2.10Å
e4amxB3[B:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å
e4amxD3[D:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å
e4amxA3[A:785-878] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-1,4-GLUCAN LYASE ISOZYME 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å
e5jouA5[A:758-838] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-xylosidase BoGH31A ; ligands: EDO ; X-RAY DIFFRACTION 1.50Å
e5jovA4[A:758-838] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-xylosidase BoGH31A ; ligands: EDO ; X-RAY DIFFRACTION 1.50Å
e5aeeB2[B:585-653] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; X-RAY DIFFRACTION 1.85Å
e5aegA2[A:585-653] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; ligands: CL,MPD ; X-RAY DIFFRACTION 1.85Å
e5aegB2[B:585-653] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; ligands: CL,MPD ; X-RAY DIFFRACTION 1.85Å
e2xvgA3[A:789-869] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA XYLOSIDASE ; X-RAY DIFFRACTION 2.6Å
e4kwuA3[A:748-825] Image Pymol Jmol Links: PDB, SCOP, CATH
Lmo2446 protein ; ligands: GLC ; X-RAY DIFFRACTION 1.90Å
e3w38A1[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.79Å
e3welA4[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 1.840Å
e3wemA4[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 2.590Å
e3wenA4[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 2.590Å
e3weoA4[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase ; X-RAY DIFFRACTION 1.450Å
e4kmqA3[A:748-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lmo2446 protein ; X-RAY DIFFRACTION 1.90Å
e3w37A3[A:672-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE ; ligands: ACY,GOL,NAG,SO4 ; X-RAY DIFFRACTION 1.7Å
e2xvkA2[A:788-868] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-XYLOSIDASE, PUTATIVE, XYL31A ; X-RAY DIFFRACTION 2.5Å
e2xvlA2[A:788-868] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-XYLOSIDASE, PUTATIVE, XYL31A ; ligands: SO4 ; X-RAY DIFFRACTION 2.3Å
e3lppA4[A:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; ligands: PEG ; X-RAY DIFFRACTION 2.150Å
e3lppD11[D:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; ligands: PEG ; X-RAY DIFFRACTION 2.150Å
e3lpoD4[D:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; X-RAY DIFFRACTION 3.200Å
e3lppC4[C:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; ligands: PEG ; X-RAY DIFFRACTION 2.150Å
e3lppB4[B:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; ligands: PEG ; X-RAY DIFFRACTION 2.150Å
e3lpoC4[C:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; X-RAY DIFFRACTION 3.200Å
e3lpoA4[A:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; X-RAY DIFFRACTION 3.200Å
e3lpoB4[B:679-760] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sucrase-isomaltase ; X-RAY DIFFRACTION 3.200Å
e3topB2[B:1632-1712] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; X-RAY DIFFRACTION 2.88Å
e3topA2[A:1632-1712] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; X-RAY DIFFRACTION 2.88Å
e3tonB2[B:1632-1712] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; X-RAY DIFFRACTION 2.95Å
e3tonA2[A:1632-1712] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; X-RAY DIFFRACTION 2.95Å
e3l4uA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; X-RAY DIFFRACTION 1.900Å
e3cttA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase ; X-RAY DIFFRACTION 2.100Å
e3l4zA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; X-RAY DIFFRACTION 2.000Å
e2qlyA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å
e3l4yA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; ligands: GOL ; X-RAY DIFFRACTION 1.800Å
e3l4xA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; ligands: GOL ; X-RAY DIFFRACTION 1.900Å
e2qmjA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MALTASE-GLUCOAMYLASE, INTESTINAL ; ligands: GOL ; X-RAY DIFFRACTION 1.9Å
e3l4vA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; X-RAY DIFFRACTION 2.100Å
e3l4wA2[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; X-RAY DIFFRACTION 2.000Å
e5dkxA2[A:739-824] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha glucosidase-like protein ; ligands: CL ; X-RAY DIFFRACTION 1.40Å
e5dkyA2[A:739-824] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha glucosidase-like protein ; X-RAY DIFFRACTION 1.60Å
e5aedA2[A:586-681] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; ligands: MPD ; X-RAY DIFFRACTION 1.91Å
e5aedB2[B:586-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; ligands: CA,MPD ; X-RAY DIFFRACTION 1.91Å
e5dkzA2[A:739-824] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha glucosidase-like protein ; X-RAY DIFFRACTION 2.40Å
e5dl0A3[A:739-824] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha glucosidase-like protein ; X-RAY DIFFRACTION 2.30Å
e5f0eA1[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: EDO,FMT,P6G ; X-RAY DIFFRACTION 1.74Å
e5h9oA4[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: EDO,FMT,P6G,TAR ; X-RAY DIFFRACTION 2.37Å
e5h9oC2[C:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: EDO,FMT,P6G ; X-RAY DIFFRACTION 2.37Å
e5hjoA2[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,MAN ; X-RAY DIFFRACTION 2.29Å
e5hjoC1[C:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,MAN ; X-RAY DIFFRACTION 2.29Å
e5hjrA4[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,MAN ; X-RAY DIFFRACTION 2.40Å
e5hjrC1[C:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,MAN ; X-RAY DIFFRACTION 2.40Å
e5iedA1[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: EDO,FMT ; X-RAY DIFFRACTION 1.81Å
e5ieeA1[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: EDO,FMT,P6G ; X-RAY DIFFRACTION 1.919Å
e5iegA1[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,P6G ; X-RAY DIFFRACTION 1.822Å
e5iefA4[A:746-828] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutral alpha-glucosidase AB ; ligands: FMT,P6G ; X-RAY DIFFRACTION 2.38Å
e5jqpA4[A:739-824] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha glucosidase-like protein ; X-RAY DIFFRACTION 2.20Å
e5f7uA3[A:748-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cycloalternan-forming enzyme ; ligands: GLC ; X-RAY DIFFRACTION 1.70Å
e5i0dA3[A:748-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lmo2446 protein ; ligands: GLC ; X-RAY DIFFRACTION 1.77Å
e5i0dB2[B:748-825] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lmo2446 protein ; ligands: CL,GLC ; X-RAY DIFFRACTION 1.77Å
e5hpoA5[A:717-794] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lmo2446 protein ; ligands: CEX ; X-RAY DIFFRACTION 1.80Å
e5hxmA2[A:717-794] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-xylosidase ; ligands: GLC ; X-RAY DIFFRACTION 1.90Å
e5kzwA4[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH
Lysosomal alpha-glucosidase ; ligands: EDO ; X-RAY DIFFRACTION 2.000Å
e5kzxA3[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH
Lysosomal alpha-glucosidase ; ligands: EDO ; X-RAY DIFFRACTION 1.900Å
e5x7oA4[A:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO ; X-RAY DIFFRACTION 2.00Å
e5x7oB3[B:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.00Å
e5x7pA1[A:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES ; X-RAY DIFFRACTION 2.4Å
e5x7pB4[B:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES ; X-RAY DIFFRACTION 2.4Å
e5x7qA4[A:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES ; X-RAY DIFFRACTION 1.95Å
e5x7qB4[B:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES ; X-RAY DIFFRACTION 1.95Å
e5x7rA6[A:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES,MG ; X-RAY DIFFRACTION 1.95Å
e5x7rB5[B:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,MES,MG ; X-RAY DIFFRACTION 1.95Å
e5x7sA2[A:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO ; X-RAY DIFFRACTION 2.40Å
e5x7sB7[B:612-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycoside hydrolase family 31 alpha-glucosidase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.40Å
e3l4tA1[A:650-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Maltase-glucoamylase, intestinal ; X-RAY DIFFRACTION 1.900Å
e5aeeA3[A:586-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ALPHA-GLUCOSIDASE YIHQ ; X-RAY DIFFRACTION 1.85Å
e5nn3A4[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lysosomal alpha-glucosidase ; ligands: CL,EDO ; X-RAY DIFFRACTION 1.9Å
e5nn4A3[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lysosomal alpha-glucosidase ; ligands: EDO,SC2,SO4 ; X-RAY DIFFRACTION 1.83Å
e5nn5A4[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lysosomal alpha-glucosidase ; ligands: CL,EDO,SO4 ; X-RAY DIFFRACTION 2Å
e5nn6A4[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lysosomal alpha-glucosidase ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2Å
e5nn8A1[A:722-819] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Lysosomal alpha-glucosidase ; ligands: CL,EDO,SO4 ; X-RAY DIFFRACTION 2.45Å
e5djwB2[B:505-582] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase II ; X-RAY DIFFRACTION 2.70Å
e5x3iA3[A:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; ligands: SO4 ; X-RAY DIFFRACTION 2.10Å
e5x3iB1[B:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.10Å
e5x3jA1[A:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; ligands: SO4 ; X-RAY DIFFRACTION 2.30Å
e5x3jB2[B:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; X-RAY DIFFRACTION 2.30Å
e5x3kA3[A:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; ligands: SO4 ; X-RAY DIFFRACTION 2.50Å
e5x3kB2[B:633-723] Image Pymol Jmol Links: PDB, SCOP, CATH
Glycoside hydrolase family 31 ; X-RAY DIFFRACTION 2.50Å
e5ohtA3[A:586-679] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sulfoquinovosidase ; X-RAY DIFFRACTION 1.87Å
e6druA2[A:612-718] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycosyl hydrolases family 31 family protein ; ligands: NAG ; X-RAY DIFFRACTION 2.260Å
e5ohsA3[A:568-638] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: MPD,SCN ; X-RAY DIFFRACTION 1.97Å
e5ohsC1[C:568-661] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.97Å
e5ohsD1[D:568-638] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: MPD ; X-RAY DIFFRACTION 1.97Å
e5ohsE3[E:568-661] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.97Å
e5ohsG3[G:568-661] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.97Å
e5ohsH1[H:568-661] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.97Å
e5ohtB2[B:586-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sulfoquinovosidase ; X-RAY DIFFRACTION 1.87Å
e5ohsB1[B:569-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: MPD ; X-RAY DIFFRACTION 1.97Å
e5ohsF3[F:569-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: MPD ; X-RAY DIFFRACTION 1.97Å
e5ohyA2[A:569-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: PO4 ; X-RAY DIFFRACTION 1.77Å
e5ohyB2[B:569-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.77Å
e5ohyC2[C:569-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; ligands: PO4 ; X-RAY DIFFRACTION 1.77Å
e5ohyD1[D:569-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-glucosidase yihQ ; X-RAY DIFFRACTION 1.77Å
e6druB1[B:612-718] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Glycosyl hydrolases family 31 family protein ; ligands: NAG ; X-RAY DIFFRACTION 2.260Å
e5zn6B2[B:587-683] Image Pymol Jmol Links: PDB, SCOP, CATH
Alpha-xylosidase MeXyl31 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
e5zn6C3[C:587-677] Image Pymol Jmol Links: PDB, SCOP, CATH
Alpha-xylosidase MeXyl31 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
e5zn6H3[H:587-677] Image Pymol Jmol Links: PDB, SCOP, CATH
Alpha-xylosidase MeXyl31 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
Nexte5f7sB4[B:649-730]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Glycoside hydrolase family 31 ; X-RAY DIFFRACTION 2.30Å

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