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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

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

X: TIM beta/alpha-barrel
H: TIM barrels
T: TIM barrels
F: Cellulase

PF00150 CL0036

Representatives:

e7a3hA1[A:4-303] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: EOH,GOL ; X-RAY DIFFRACTION 0.95Å

e2osxA1[A:42-406] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglycoceramidase II ; ligands: 16C,GOL,NA ; X-RAY DIFFRACTION 1.100Å

e1h1nA1[A:1-305] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDO TYPE CELLULASE ENGI ; X-RAY DIFFRACTION 1.120Å

e1qnrA1[A:1-344] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDO-1,4-B-D-MANNANASE ; ligands: GOL,MAB,NAG,SO4 ; X-RAY DIFFRACTION 1.4Å

e1tvnA1[A:1-293] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE ; X-RAY DIFFRACTION 1.41Å

e3zmrA2[A:131-502] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE (GLYCOSYL HYDROLASE FAMILY 5) ; ligands: BTB,EDO ; X-RAY DIFFRACTION 1.43Å

e1bqcA1[A:1-302] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (BETA-MANNANASE) ; X-RAY DIFFRACTION 1.5Å

e1edgA1[A:1-380] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE A ; X-RAY DIFFRACTION 1.6Å

e6mpaA1[A:25-421] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: NAG ; X-RAY DIFFRACTION 1.900Å

e8bn7CCC1[CCC:6-338] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.18Å

e6moyA1[A:25-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: NAG ; X-RAY DIFFRACTION 2.500Å

e8bn7AAA1[AAA:8-338] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.18Å

e6mp2A1[A:25-417] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: GOL ; X-RAY DIFFRACTION 1.980Å

e8bn7BBB1[BBB:6-339] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.18Å

e6mp2B1[B:25-417] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: GOL ; X-RAY DIFFRACTION 1.980Å

e1g01A1[A:239-571] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: ACY,CD ; X-RAY DIFFRACTION 1.9Å

e1g0cA1[A:239-571] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: ACY,CBI,CD ; X-RAY DIFFRACTION 1.9Å

e6moyB1[B:25-425] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: NAG ; X-RAY DIFFRACTION 2.500Å

e5fipA1[A:50-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GH5 CELLULASE ; ligands: CL,EDO,IPA,PEG,PGE ; X-RAY DIFFRACTION 1.88Å

e6mp7A1[A:25-424] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: FLC,NAG ; X-RAY DIFFRACTION 1.750Å

e6mp7B1[B:25-419] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: NAG ; X-RAY DIFFRACTION 1.750Å

e5fipB1[B:50-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GH5 CELLULASE ; ligands: CL,EDO,IPA,PEG,PG4,PG6,PGE ; X-RAY DIFFRACTION 1.88Å

e6mpaB1[B:25-429] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; ligands: FLC,NAG ; X-RAY DIFFRACTION 1.900Å

e5fipC1[C:50-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GH5 CELLULASE ; ligands: CL,EDO,IPA,PEG,PGE ; X-RAY DIFFRACTION 1.88Å

e6mpcA1[A:25-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; X-RAY DIFFRACTION 1.800Å

e5fipD1[D:50-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GH5 CELLULASE ; ligands: CL,EDO,IPA,PEG,PG4,PG6 ; X-RAY DIFFRACTION 1.88Å

e6mpcB1[B:25-417] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BlMan5B ; X-RAY DIFFRACTION 1.800Å

e5ecuA1[A:31-380] Image Pymol Jmol Links: PDB, SCOP, CATH

Cellulase ; ligands: ACT,CA,EDO,GOL,MLI ; X-RAY DIFFRACTION 1.5Å

e6gvbA1[A:1-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

exo-beta-1,4-mannosidase ; ligands: MPO ; X-RAY DIFFRACTION 2.0Å

e1cenA1[A:1-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE CELC ; X-RAY DIFFRACTION 2.3Å

e1cecA1[A:2-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE CELC ; X-RAY DIFFRACTION 2.15Å

e6gvbB1[B:1-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

exo-beta-1,4-mannosidase ; ligands: MPO ; X-RAY DIFFRACTION 2.0Å

e1eceB1[B:1-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOCELLULASE E1 ; X-RAY DIFFRACTION 2.4Å

e6gvbC1[C:1-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

exo-beta-1,4-mannosidase ; ligands: MPO ; X-RAY DIFFRACTION 2.0Å

e1vrxB1[B:1-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOCELLULASE E1 FROM A. CELLULOLYTICUS ; X-RAY DIFFRACTION 2.4Å

e6gvbD1[D:1-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

exo-beta-1,4-mannosidase ; ligands: MPO ; X-RAY DIFFRACTION 2.0Å

e1vrxA1[A:1-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOCELLULASE E1 FROM A. CELLULOLYTICUS ; X-RAY DIFFRACTION 2.4Å

e7lr7A1[A:10-425] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Uncharacterized protein ScGH5_18 ; ligands: AE3,EDO,NAG ; X-RAY DIFFRACTION 1.95Å

e7lr8B1[B:12-426] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Uncharacterized protein ScGH5_18 ; ligands: AE3,EDO,SO4 ; X-RAY DIFFRACTION 1.60Å

e1gzjA1[A:2-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EGI ; X-RAY DIFFRACTION 1.620Å

e1gzjB1[B:2-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EGI ; X-RAY DIFFRACTION 1.620Å

e7lr8A1[A:13-425] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Uncharacterized protein ScGH5_18 ; ligands: AE3,EDO ; X-RAY DIFFRACTION 1.60Å

e7lqxA1[A:28-420] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.30Å

e1h1nB1[B:2-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDO TYPE CELLULASE ENGI ; X-RAY DIFFRACTION 1.120Å

e7lr1A1[A:25-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.80Å

e1lf1A1[A:4-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cel5 ; X-RAY DIFFRACTION 1.7Å

e7lr1B1[B:25-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.80Å

e1w3lA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: GOL,OXZ,SO4 ; X-RAY DIFFRACTION 1.04Å

e7lr1C1[C:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.80Å

e2a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CBI ; X-RAY DIFFRACTION 2.02Å

e7lr1D1[D:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.80Å

e5a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: FFC ; X-RAY DIFFRACTION 1.82Å

e7lr2A1[A:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,NAG,SO4 ; X-RAY DIFFRACTION 2.40Å

e1qi0A1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE B ; ligands: CA,CBI ; X-RAY DIFFRACTION 2.1Å

e7lr2B1[B:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,NAG,SO4 ; X-RAY DIFFRACTION 2.40Å

e8a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN (ENDOGLUCANASE) ; ligands: ACT,GOL,IDC ; X-RAY DIFFRACTION 0.97Å

e1w3kA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: BGC,GOL,OXZ,SO4 ; X-RAY DIFFRACTION 1.2Å

e7lr2C1[C:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,NAG,SO4 ; X-RAY DIFFRACTION 2.40Å

e1e5jA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: CA,GLC,SGC ; X-RAY DIFFRACTION 1.85Å

e7lr2D1[D:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: EDO,NAG,SO4 ; X-RAY DIFFRACTION 2.40Å

e7lr6A1[A:25-423] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: PO4 ; X-RAY DIFFRACTION 2.30Å

e3a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CTR ; X-RAY DIFFRACTION 1.64Å

e4a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (ENDOGLUCANASE) ; ligands: DCB ; X-RAY DIFFRACTION 1.65Å

e7lr6B1[B:25-423] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: PO4 ; X-RAY DIFFRACTION 2.30Å

e7lr6C1[C:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: PO4 ; X-RAY DIFFRACTION 2.30Å

e1ocqA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: BGC,GOL,IFM,SO4 ; X-RAY DIFFRACTION 1.080Å

e1a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.57Å

e7lr6D1[D:25-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycosyl hydrolase BlGH5_18 ; ligands: PO4 ; X-RAY DIFFRACTION 2.30Å

e2v38A1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE 5A ; ligands: GOL,IDR,IFL,SO4 ; X-RAY DIFFRACTION 1.5Å

e6a3hA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: FCT,GOL ; X-RAY DIFFRACTION 1.68Å

e1hf6A1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE B ; ligands: ACY,CTR,GOL,SO4 ; X-RAY DIFFRACTION 1.150Å

e1qi2A1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE B ; ligands: CA,FCT ; X-RAY DIFFRACTION 1.75Å

e1h11A1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: FCT,GOL,SO4 ; X-RAY DIFFRACTION 1.080Å

e1qhzA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE B ; ligands: CA ; X-RAY DIFFRACTION 1.95Å

e1h2jA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: DCB,GOL,SO4 ; X-RAY DIFFRACTION 1.150Å

e1h5vA1[A:4-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE 5A ; ligands: CA,GLC,MA3,NA,SGC,SSG ; X-RAY DIFFRACTION 1.100Å

e1tvnB1[B:1-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE ; X-RAY DIFFRACTION 1.41Å

e1tvpB1[B:1-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE ; ligands: CBI ; X-RAY DIFFRACTION 1.6Å

e1egzC1[C:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE Z ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e1egzB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE Z ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e1tvpA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE ; ligands: EPE ; X-RAY DIFFRACTION 1.6Å

e1egzA1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE Z ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e1wkyA2[A:34-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDO-BETA-1,4-MANNANASE ; ligands: CL,NA ; X-RAY DIFFRACTION 1.65Å

e3manA1[A:1-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (BETA-MANNANASE) ; ligands: BMA ; X-RAY DIFFRACTION 1.6Å

e2manA1[A:1-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (BETA-MANNANASE) ; X-RAY DIFFRACTION 1.90Å

e3mmuA1[A:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3amcA1[A:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 1.4Å

e3rjxA1[A:31-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase FnCel5A ; X-RAY DIFFRACTION 1.67Å

e3qr3A1[A:0-328] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE EG-II ; ligands: MG,SO4 ; X-RAY DIFFRACTION 2.05Å

e3pztA1[A:39-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: GOL,MN ; X-RAY DIFFRACTION 1.97Å

e3jugA1[A:34-329] Image Pymol Jmol Links: PDB, SCOP, CATH

BETA-MANNANASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.6Å

e3ncoA1[A:8-320] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE FNCEL5A ; ligands: PO4 ; X-RAY DIFFRACTION 1.5Å

e3axxA1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CBI,PO4 ; X-RAY DIFFRACTION 1.9Å

e3vdhA1[A:7-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-1,4-endoglucanase ; ligands: CL ; X-RAY DIFFRACTION 1.550Å

e4htyA1[A:34-363] Image Pymol Jmol Links: PDB, SCOP, CATH

CELLULASE ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å

e2jepA1[A:33-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XYLOGLUCANASE ; ligands: EDO ; X-RAY DIFFRACTION 1.4Å

e2ckrA1[A:126-430] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE E-5 ; ligands: BEN,PG4,ZN ; X-RAY DIFFRACTION 1.770Å

e3ayrA1[A:-7-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 2.0Å

e3ndyA1[A:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: BTB ; X-RAY DIFFRACTION 2.100Å

e4dm1A1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e2whjA1[A:3-310] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-MANNANASE ; ligands: ACT,GOL,NA ; X-RAY DIFFRACTION 1.78Å

e2whlA1[A:4-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BETA-MANNANASE ; ligands: ACT ; X-RAY DIFFRACTION 1.4Å

e2jepB1[B:34-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XYLOGLUCANASE ; ligands: EDO ; X-RAY DIFFRACTION 1.4Å

e2jeqA1[A:37-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XYLOGLUCANASE ; X-RAY DIFFRACTION 1.94Å

e2ckrB1[B:126-430] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE E-5 ; ligands: BEN,NA,ZN ; X-RAY DIFFRACTION 1.770Å

e2cksA1[A:126-430] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE E-5 ; ligands: BEN,NA,ZN ; X-RAY DIFFRACTION 1.600Å

e2cksB1[B:125-430] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE E-5 ; ligands: BEN,NA,ZN ; X-RAY DIFFRACTION 1.600Å

e3mmuB1[B:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuC1[C:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuD1[D:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuE1[E:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuF1[F:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuG1[G:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmuH1[H:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD,NI ; X-RAY DIFFRACTION 2.2Å

e3mmwA1[A:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD ; X-RAY DIFFRACTION 1.85Å

e3mmwB1[B:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD ; X-RAY DIFFRACTION 1.85Å

e3mmwC1[C:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD ; X-RAY DIFFRACTION 1.85Å

e3mmwD1[D:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CD ; X-RAY DIFFRACTION 1.85Å

e3ndyB1[B:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: BTB ; X-RAY DIFFRACTION 2.100Å

e3ndyC1[C:8-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: BTB ; X-RAY DIFFRACTION 2.100Å

e3ndyD1[D:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: BTB ; X-RAY DIFFRACTION 2.100Å

e2zumA1[A:33-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: ACT,GOL,ZN ; X-RAY DIFFRACTION 1.95Å

e2zunA1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: CBI,PO4 ; X-RAY DIFFRACTION 2.0Å

e2zunB1[B:32-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: CBI,PO4 ; X-RAY DIFFRACTION 2.0Å

e2zunC1[C:33-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: CBI ; X-RAY DIFFRACTION 2.0Å

e3amcB1[B:5-310] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 1.4Å

e3amdA1[A:2-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.0Å

e3amdB1[B:1-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.0Å

e3amdC1[C:3-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.0Å

e3amdD1[D:2-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.0Å

e3aofA1[A:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 1.288Å

e3aofB1[B:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 1.288Å

e3azrA1[A:1-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: BGC,CBK ; X-RAY DIFFRACTION 1.71Å

e3azrB1[B:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: BGC,CBK ; X-RAY DIFFRACTION 1.71Å

e3azsA1[A:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.69Å

e3azsB1[B:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.69Å

e3aztA1[A:1-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.8Å

e3aztB1[B:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.8Å

e3aztC1[C:4-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.8Å

e3aztD1[D:1-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; X-RAY DIFFRACTION 1.8Å

e3amgA1[A:2-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: BGC ; X-RAY DIFFRACTION 2.387Å

e3ncoB1[B:9-320] Image Pymol Jmol Links: PDB, SCOP, CATH

ENDOGLUCANASE FNCEL5A ; ligands: PO4 ; X-RAY DIFFRACTION 1.5Å

e3qr3B1[B:0-328] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE EG-II ; ligands: MG,SO4 ; X-RAY DIFFRACTION 2.05Å

e3pztB1[B:36-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: GOL,MN,PO4 ; X-RAY DIFFRACTION 1.97Å

e3pzuA1[A:35-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e3pzuB1[B:35-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å

e3pzvA1[A:34-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.867Å

e3pzvB1[B:34-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.867Å

e3pzvC1[C:34-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.867Å

e3pzvD1[D:34-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; X-RAY DIFFRACTION 2.867Å

e3aysA1[A:1-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: CT3 ; X-RAY DIFFRACTION 2.2Å

e3ndzA1[A:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: CT3 ; X-RAY DIFFRACTION 2.080Å

e3ndzB1[B:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: CT3 ; X-RAY DIFFRACTION 2.080Å

e3ndzC1[C:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: CT3 ; X-RAY DIFFRACTION 2.080Å

e3ndzD1[D:4-348] Image Pymol Jmol Links: PDB, SCOP, CATH

Endoglucanase D ; ligands: CT3 ; X-RAY DIFFRACTION 2.080Å

e4ee9A1[A:1-321] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE ; ligands: TRS ; X-RAY DIFFRACTION 1.38Å

e3vdhB1[B:1-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-1,4-endoglucanase ; X-RAY DIFFRACTION 1.550Å

e4dm1C1[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e4dm2C1[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; X-RAY DIFFRACTION 1.95Å

e4dm2A1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å

e4dm1B1[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e4dm2B1[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å

e2oswA1[A:43-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglycoceramidase II ; ligands: NA,TRS ; X-RAY DIFFRACTION 1.600Å

e1h4pA1[A:41-446] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUCAN 1,3-BETA-GLUCOSIDASE I/II ; ligands: GOL ; X-RAY DIFFRACTION 1.750Å

e1h4pB1[B:41-446] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUCAN 1,3-BETA-GLUCOSIDASE I/II ; ligands: GOL ; X-RAY DIFFRACTION 1.750Å

e3w0kA1[A:1-330] Image Pymol Jmol Links: PDB, SCOP, CATH

BIFUNCTIONAL ENDOMANNANASE/ENDOGLUCANASE ; ligands: TRS ; X-RAY DIFFRACTION 1.6Å

e3w6lA1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e3w6mA1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: GOL ; X-RAY DIFFRACTION 1.9480Å

e3w6lB1[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e3w6mB1[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: GOL ; X-RAY DIFFRACTION 1.9480Å

e3w6mC1[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; X-RAY DIFFRACTION 1.9480Å

e3w6lC1[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: PO4 ; X-RAY DIFFRACTION 1.750Å

e4fk9A1[A:35-348] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cellulose-binding family II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.060Å

e3vvgA1[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: PO4,ZGB ; X-RAY DIFFRACTION 1.9Å

e3vvgB1[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e3vvgC1[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH

458AA LONG HYPOTHETICAL ENDO-1,4-BETA-GLUCANASE ; ligands: PO4,ZGB ; X-RAY DIFFRACTION 1.9Å

e4im4A1[A:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e4im4B1[B:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e4im4C1[C:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e4im4D1[D:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e4im4E1[E:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e4im4F1[F:51-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase E ; X-RAY DIFFRACTION 2.420Å

e3zmrB2[B:131-503] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE (GLYCOSYL HYDROLASE FAMILY 5) ; ligands: BTB,EDO ; X-RAY DIFFRACTION 1.43Å

e4m1rA1[A:1-296] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cellulase 5 ; ligands: TRS ; X-RAY DIFFRACTION 1.80Å

e2y8kA3[A:35-361] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CARBOHYDRATE BINDING FAMILY 6 ; ligands: GOL,NA ; X-RAY DIFFRACTION 1.47Å

e3rjyA2[A:34-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOGLUCANASE FNCEL5A ; ligands: GLC,PO4 ; X-RAY DIFFRACTION 2.2Å

e3amgB2[B:2-216,B:237-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: CBI ; X-RAY DIFFRACTION 2.387Å

e3w0kB2[B:1-330] Image Pymol Jmol Links: PDB, SCOP, CATH

BIFUNCTIONAL ENDOMANNANASE/ENDOGLUCANASE ; ligands: TRS ; X-RAY DIFFRACTION 1.6Å

e3qhoC2[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT,PO4 ; X-RAY DIFFRACTION 1.650Å

e3qhoB2[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT,PO4 ; X-RAY DIFFRACTION 1.650Å

e3qhnB2[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT ; X-RAY DIFFRACTION 1.990Å

e3qhnA2[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT ; X-RAY DIFFRACTION 1.990Å

e3axxB2[B:32-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CBI,PO4 ; X-RAY DIFFRACTION 1.9Å

e3qhoA2[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT,PO4 ; X-RAY DIFFRACTION 1.650Å

e3axxC2[C:33-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CBI ; X-RAY DIFFRACTION 1.9Å

e3qhnC2[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CBI,CTT ; X-RAY DIFFRACTION 1.990Å

e3qhmB2[B:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT ; X-RAY DIFFRACTION 2.000Å

e3qhmC2[C:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CBI,CTT ; X-RAY DIFFRACTION 2.000Å

e3qhmA2[A:34-410] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

458aa long hypothetical endo-1,4-beta-glucanase ; ligands: CTT ; X-RAY DIFFRACTION 2.000Å

e4hu0A2[A:34-363] Image Pymol Jmol Links: PDB, SCOP, CATH

Cellulase ; ligands: CTT,GOL ; X-RAY DIFFRACTION 2.380Å

e4m1rB1[B:1-296] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cellulase 5 ; ligands: TRS ; X-RAY DIFFRACTION 1.80Å

e4lx4A1[A:2-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase(Endo-1,4-beta-glucanase)protein ; ligands: TRS ; X-RAY DIFFRACTION 1.556Å

e4lx4B1[B:3-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase(Endo-1,4-beta-glucanase)protein ; ligands: TRS ; X-RAY DIFFRACTION 1.556Å

e4lx4C1[C:3-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase(Endo-1,4-beta-glucanase)protein ; ligands: TRS ; X-RAY DIFFRACTION 1.556Å

e4lx4D1[D:2-324] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase(Endo-1,4-beta-glucanase)protein ; ligands: TRS ; X-RAY DIFFRACTION 1.556Å

e4nf7A1[A:32-394] Image Pymol Jmol Links: PDB, SCOP, CATH

Endo-1,4-beta-glucanase Cel5C ; X-RAY DIFFRACTION 2.110Å

e4m24A1[A:1-321] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase ; ligands: CBI,TRS ; X-RAY DIFFRACTION 1.386Å

e4u3aA1[A:75-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Endoglucanase H ; X-RAY DIFFRACTION 2.4Å

Next

e1ceoA1[A:1-340] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULASE CELC ; X-RAY DIFFRACTION 1.8Å

e2pb1A1[A:7-400] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hypothetical protein XOG1 ; ligands: G2F,NFG ; X-RAY DIFFRACTION 1.900Å

e1vjzA1[A:5-329] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

endoglucanase ; X-RAY DIFFRACTION 2.05Å

e1eceA1[A:1-358] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ENDOCELLULASE E1 ; X-RAY DIFFRACTION 2.4Å

F: Unmapped domains

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-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