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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

X: Glycosyl hydrolase domain-like

some similarity with Ig fold

H: supersandwich
T: supersandwich
F: Lyase_8

PF02278 CL0103

Representatives:

e1rwhA2[A:373-644] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chondroitin AC lyase ; ligands: GOL,NA ; X-RAY DIFFRACTION 1.25Å

e1n7oA2[A:541-814] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hyaluronidase ; X-RAY DIFFRACTION 1.50Å

e1cb8A2[A:336-599] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (CHONDROITINASE AC) ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e1hm2A2[A:336-599] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITINASE AC ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e1hmwA2[A:336-599] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITINASE AC ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e1hm3A2[A:336-599] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITINASE AC ; ligands: CA ; X-RAY DIFFRACTION 2.1Å

e1hmuA2[A:336-599] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITINASE AC ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e1rwcA2[A:373-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITIN AC LYASE ; ligands: GOL,NA ; X-RAY DIFFRACTION 1.9Å

e1rwgA2[A:373-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chondroitin AC lyase ; ligands: NA ; X-RAY DIFFRACTION 1.5Å

e1rwaA2[A:373-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chondroitin AC lyase ; ligands: GOL,HG ; X-RAY DIFFRACTION 1.300Å

e1rwfA2[A:373-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chondroitin AC lyase ; ligands: NA ; X-RAY DIFFRACTION 1.41Å

e1rw9A2[A:373-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chondroitin AC lyase ; ligands: NA ; X-RAY DIFFRACTION 1.3Å

e2brpA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SIE,SO4,XLS ; X-RAY DIFFRACTION 2.000Å

e1n7rA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONIDASE ; X-RAY DIFFRACTION 2.20Å

e1lxmA3[A:621-911] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE Lyase ; X-RAY DIFFRACTION 2.20Å

e1n7qA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONIDASE ; X-RAY DIFFRACTION 2.30Å

e1n7pA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONIDASE ; X-RAY DIFFRACTION 1.55Å

e2brwA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.8Å

e1f1sA3[A:621-911] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; X-RAY DIFFRACTION 2.1Å

e1f9gA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: ASC ; X-RAY DIFFRACTION 2.0Å

e2brvX2[X:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: MLA ; X-RAY DIFFRACTION 3.300Å

e1ojoA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.75Å

e1c82A2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: CAC,NA ; X-RAY DIFFRACTION 1.7Å

e1ojmA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.78Å

e1ojnA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.6Å

e1ojpA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å

e1i8qA3[A:621-911] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; X-RAY DIFFRACTION 2.2Å

e1lxkA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hyaluronate Lyase ; X-RAY DIFFRACTION 1.53Å

e2brwB2[B:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.8Å

e1w3yA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: PVC,SO4,XYL ; X-RAY DIFFRACTION 1.65Å

e1n7nA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONIDASE ; X-RAY DIFFRACTION 1.55Å

e1eguA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYALURONATE LYASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.56Å

e1lohA2[A:541-814] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hyaluronate Lyase ; X-RAY DIFFRACTION 2.0Å

e1x1jA2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

xanthan lyase ; ligands: 46D,CA ; X-RAY DIFFRACTION 2.1Å

e1j0nA2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XANTHAN LYASE ; ligands: CA,CEG ; X-RAY DIFFRACTION 2.40Å

e2e24A2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xanthan lyase ; ligands: PEG ; X-RAY DIFFRACTION 2.15Å

e2e22A2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XANTHAN LYASE ; ligands: MAN ; X-RAY DIFFRACTION 2.4Å

e1j0mA2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XANTHAN LYASE ; ligands: CA ; X-RAY DIFFRACTION 2.22Å

e1x1hA2[A:387-659] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

xanthan lyase ; X-RAY DIFFRACTION 2.3Å

e2wcoA2[A:394-651] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE SECRETED LYASE ; ligands: FMT,GOL ; X-RAY DIFFRACTION 1.94Å

e2q1fA1[A:593-863,A:940-963] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chondroitinase ; ligands: PO4 ; X-RAY DIFFRACTION 2.850Å

e2x03A2[A:394-651] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE SECRETED LYASE ; X-RAY DIFFRACTION 2.30Å

e2q1fB6[B:594-866,B:939-962] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chondroitinase ; ligands: PO4 ; X-RAY DIFFRACTION 2.850Å

e2wdaA4[A:394-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE SECRETED LYASE ; ligands: FMT,GOL,L42,PEG ; X-RAY DIFFRACTION 2.3Å

e2x03B4[B:394-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE SECRETED LYASE ; ligands: MG ; X-RAY DIFFRACTION 2.30Å

e6f2pA1[A:360-634] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Paenibacillus xanthan lyase ; ligands: CA,MPD,MRD ; X-RAY DIFFRACTION 2.6Å

e1x1iA2[A:387-659] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

xanthan lyase ; ligands: 46M ; X-RAY DIFFRACTION 1.8Å

e1hn0A3[A:619-899] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHONDROITIN ABC LYASE I ; X-RAY DIFFRACTION 1.9Å

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.

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