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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: jelly-roll
H: Concanavalin A-like
T: Concanavalin A-like lectins/glucanases
F: Lectin_leg-like

PF03388 CL0004

Representatives:

e2a6zA1[A:7-227] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P (FORM2) ; X-RAY DIFFRACTION 1.0Å

e1gv9A1[A:50-277] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

P58/ERGIC-53 ; ligands: SO4 ; X-RAY DIFFRACTION 1.460Å

e1r1zD1[D:44,D:51-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERGIC-53 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e1r1zC1[C:44,C:51-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERGIC-53 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e1r1zA1[A:47,A:51-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERGIC-53 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e1r1zB1[B:44,B:51-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERGIC-53 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e2a71B1[B:9-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; X-RAY DIFFRACTION 2.7Å

e2a6wA1[A:9-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP46P ; X-RAY DIFFRACTION 1.75Å

e2a70A1[A:7-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; ligands: EDO ; X-RAY DIFFRACTION 1.1Å

e2a6wB1[B:9-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP46P ; X-RAY DIFFRACTION 1.75Å

e2a6yA1[A:8-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P (FORM1) ; ligands: SO4 ; X-RAY DIFFRACTION 1.42Å

e2a71C1[C:11-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; X-RAY DIFFRACTION 2.7Å

e2a6vB1[B:9-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP46P ; ligands: EDO,K ; X-RAY DIFFRACTION 1.52Å

e2a70B1[B:7-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; ligands: EDO ; X-RAY DIFFRACTION 1.1Å

e2a71D1[D:12-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; X-RAY DIFFRACTION 2.7Å

e2a6xA1[A:8-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Emp46p ; ligands: EDO,K ; X-RAY DIFFRACTION 1.55Å

e2a71A1[A:11-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP47P ; X-RAY DIFFRACTION 2.7Å

e2a6vA1[A:9-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EMP46P ; ligands: EDO,K ; X-RAY DIFFRACTION 1.52Å

e2a6xB1[B:8-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Emp46p ; ligands: EDO,K ; X-RAY DIFFRACTION 1.55Å

e3a4uA1[A:41-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: CA,GOL ; X-RAY DIFFRACTION 1.84Å

e2duoA1[A:52-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL ; X-RAY DIFFRACTION 1.8Å

e2duoB1[B:51-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL ; X-RAY DIFFRACTION 1.8Å

e2dupA1[A:52-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL,GOL ; X-RAY DIFFRACTION 2.1Å

e2dupB1[B:53-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CL,GOL ; X-RAY DIFFRACTION 2.1Å

e2duqA1[A:53-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL,MAN ; X-RAY DIFFRACTION 1.8Å

e2duqB1[B:51-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL,MAN ; X-RAY DIFFRACTION 1.8Å

e2durA1[A:51-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL,GOL ; X-RAY DIFFRACTION 1.65Å

e2durB1[B:51-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,CL ; X-RAY DIFFRACTION 1.65Å

e2e6vD1[D:52-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e3lcpA1[A:41-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: CA ; X-RAY DIFFRACTION 2.45Å

e3lcpB1[B:41-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: CA ; X-RAY DIFFRACTION 2.45Å

e2e6vA1[A:49-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,MAN ; X-RAY DIFFRACTION 2.5Å

e2e6vE1[E:49-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e2e6vC1[C:49-284] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,MAN ; X-RAY DIFFRACTION 2.5Å

e2e6vB1[B:49-285] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VESICULAR INTEGRAL-MEMBRANE PROTEIN VIP36 ; ligands: CA,MAN ; X-RAY DIFFRACTION 2.5Å

e4gkxA1[A:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA,GOL ; X-RAY DIFFRACTION 2.7Å

e3whtA1[A:44-268] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN ERGIC-53 ; ligands: CL,GOL ; X-RAY DIFFRACTION 1.8Å

e3whuA1[A:42-267] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN ERGIC-53 ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.6Å

e3wnxA1[A:42-267] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN ERGIC-53 ; ligands: CA ; X-RAY DIFFRACTION 2.75Å

e4gkxB1[B:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA,GOL ; X-RAY DIFFRACTION 2.7Å

e4gkxC1[C:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA ; X-RAY DIFFRACTION 2.7Å

e4gkxD1[D:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA ; X-RAY DIFFRACTION 2.7Å

e4gkxE1[E:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA ; X-RAY DIFFRACTION 2.7Å

e4gkxF1[F:41-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: 2M4,CA ; X-RAY DIFFRACTION 2.7Å

e4gkyA1[A:41-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN ERGIC-53 ; ligands: CA,GOL,MAN ; X-RAY DIFFRACTION 2.42Å

e4ygbA1[A:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: GOL ; X-RAY DIFFRACTION 1.60Å

e4ygbC1[C:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: GOL ; X-RAY DIFFRACTION 1.60Å

e4ygcA1[A:42-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.40Å

e4ygcC1[C:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.40Å

e4ygcE1[E:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.40Å

e4ygcG1[G:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.40Å

e4ygdA1[A:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.50Å

e4ygdC1[C:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA ; X-RAY DIFFRACTION 2.50Å

e4ygdE1[E:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA ; X-RAY DIFFRACTION 2.50Å

e4ygdG1[G:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 2.50Å

e4ygeA1[A:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 3.05Å

e4ygeC1[C:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CA,CL ; X-RAY DIFFRACTION 3.05Å

e4ygeE1[E:42-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein ERGIC-53 ; ligands: CL ; X-RAY DIFFRACTION 3.05Å

e5zbtA1[A:22-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Lectin-like protein ; X-RAY DIFFRACTION 2.30Å

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.

X: Glycosyl hydrolase domain-like

some similarity with Ig fold

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