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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

X: C-type lectin-like
H: C-type lectin-like
T: C-type lectin-like
F: Lectin_C

PF00059 CL0056

Representatives:

e5b1rA1[A:229-348] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-cell differentiation antigen CD72 ; ligands: ACT,GOL ; X-RAY DIFFRACTION 1.20Å

e1qddA1[A:1-144] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LITHOSTATHINE ; X-RAY DIFFRACTION 1.3Å

e1ypqA1[A:140-270] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OXIDISED LOW DENSITY LIPOPROTEIN (LECTIN-LIKE) RECEPTOR 1 ; ligands: DIO ; X-RAY DIFFRACTION 1.4Å

e1xphA1[A:265-394] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CD209 ANTIGEN-LIKE PROTEIN 1 ; ligands: CA ; X-RAY DIFFRACTION 1.41Å

e1e87A1[A:83-199] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EARLY ACTIVATION ANTIGEN CD69 ; ligands: GOL,ZN ; X-RAY DIFFRACTION 1.5Å

e1g1tA1[A:1-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E-SELECTIN ; ligands: CA ; X-RAY DIFFRACTION 1.5Å

e1gz2A1[A:4-142] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

OVOCLEIDIN-17 ; X-RAY DIFFRACTION 1.5Å

e1j34A1[A:1-129] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR IX-BINDING PROTEIN A CHAIN ; ligands: CA,MG ; X-RAY DIFFRACTION 1.55Å

e1wmzA1[A:1-140] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LECTIN CEL-I, N-ACETYL-D-GALACTOSAMINE-SPECIFIC C-TYPE ; ligands: CA,NGA ; X-RAY DIFFRACTION 1.7Å

e1h8uA1[A:3-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EOSINOPHIL GRANULE MAJOR BASIC PROTEIN 1 ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.8Å

e1v7pB1[B:1-127] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMS16 B chain ; ligands: CL,NAG ; X-RAY DIFFRACTION 1.900Å

e1hq8A1[A:110-232] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NKG2-D ; X-RAY DIFFRACTION 1.95Å

e1byfA1[A:2-124] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (POLYANDROCARPA LECTIN) ; ligands: ACT,CA,GOL,ZN ; X-RAY DIFFRACTION 2.0Å

e1jwiB1[B:3-125] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLATELET AGGREGATION INDUCER ; X-RAY DIFFRACTION 2.0Å

e1tn3A1[A:45-181] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TETRANECTIN ; ligands: CA,EOH,SO4 ; X-RAY DIFFRACTION 2.0Å

e1jznA1[A:1-135] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Galactose-specific lectin ; ligands: CA,NA ; X-RAY DIFFRACTION 2.20Å

e1dv8A1[A:153-280] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASIALOGLYCOPROTEIN RECEPTOR 1 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.3Å

e1eggA1[A:628-763] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MACROPHAGE MANNOSE RECEPTOR ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e1qo3C1[C:126-258] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LY49A ; X-RAY DIFFRACTION 2.300Å

e3bdwA1[A:59-179] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Natural killer cells antigen CD94 ; X-RAY DIFFRACTION 2.5Å

e1tdqB1[B:1-126] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aggrecan core protein ; ligands: CA ; X-RAY DIFFRACTION 2.57Å

e1t8dA1[A:1-143] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Low affinity immunoglobulin epsilon Fc receptor ; SOLUTION NMR

e1wk1A1[A:1-150] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Hypothetical protein yk1067a12 ; SOLUTION NMR

e2afpA1[A:1-129] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (SEA RAVEN TYPE II ANTIFREEZE PROTEIN) ; SOLUTION NMR

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 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