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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

X: EF-hand
H: EF-hand-related
T: EF-hand
F: EF-hand_7

PF13499 CL0220

Representatives:

e2pvbA1[A:0-108] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

PROTEIN (PARVALBUMIN) ; ligands: CA,FMT,NH4 ; X-RAY DIFFRACTION 0.91Å

e1exrA2[A:80-147] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALMODULIN ; ligands: CA ; X-RAY DIFFRACTION 1.000Å

e1omrA2[A:97-202] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RECOVERIN ; ligands: CA ; X-RAY DIFFRACTION 1.5Å

e1m45A2[A:82-149] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Myosin light chain ; X-RAY DIFFRACTION 1.640Å

e2obhA1[A:26-101] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CENTRIN-2 ; X-RAY DIFFRACTION 1.8Å

e2obhA2[A:102-168] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CENTRIN-2 ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e1y1xA2[A:94-191] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Leishmania Major Homolog of Programmed Cell Death 6 Protein ; ligands: SO4 ; X-RAY DIFFRACTION 1.87Å

e1xo5A1[A:103-191] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium and integrin-binding protein 1 ; ligands: CA ; X-RAY DIFFRACTION 1.99Å

e1s6cA1[A:122-216] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

KV4 POTASSIUM CHANNEL-INTERACTING PROTEIN KCHIP1B ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e1wdcB1[B:12-83] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SCALLOP MYOSIN ; ligands: MG ; X-RAY DIFFRACTION 2.02Å

e1auiB2[B:86-169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SERINE/THREONINE PHOSPHATASE 2B ; ligands: CA ; X-RAY DIFFRACTION 2.1Å

e1hqvA2[A:94-188] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e5ve9B1[B:7024-7106] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Microtubule-actin cross-linking factor 1, isoforms 1/2/3/5 ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e1ij5A1[A:286-353] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMODIAL SPECIFIC LAV1-2 PROTEIN ; X-RAY DIFFRACTION 3.0Å

e1ij5A4[A:222-285] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMODIAL SPECIFIC LAV1-2 PROTEIN ; X-RAY DIFFRACTION 3.0Å

e5e1jA3[A:321-402] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Two pore calcium channel protein 1 ; ligands: BA,CA ; X-RAY DIFFRACTION 3.30Å

e1jbaA2[A:93-190] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (GUANYLATE CYCLASE ACTIVATING PROTEIN 2) ; ligands: CA ; SOLUTION NMR

e1jfjA1[A:1-66] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; SOLUTION NMR

e1jfkA1[A:1-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; SOLUTION NMR

e4wriA1[A:98-190] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Okadaic acid binding protein 2-alpha ; ligands: OKA ; X-RAY DIFFRACTION 1.400Å

e2nxqA1[A:2-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding protein ; ligands: ACT,CA ; X-RAY DIFFRACTION 2.370Å

e2ccmB2[B:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALEXCITIN ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e2ccmA2[A:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALEXCITIN ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e3li6D1[D:2-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e4ndbA1[A:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e2nxqB1[B:2-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding protein ; ligands: ACT,CA ; X-RAY DIFFRACTION 2.370Å

e3li6A1[A:2-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e4ndbB1[B:98-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e4ndcA1[A:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e3li6G1[G:2-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e4ndcB1[B:98-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.0Å

e3li6J1[J:2-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.5Å

e4nddA1[A:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e3px1B1[B:1-63] Image Pymol Jmol Links: PDB, SCOP, CATH

Calcium-binding protein ; ligands: SR ; X-RAY DIFFRACTION 3.000Å

e4nddB1[B:98-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e3qjkB1[B:1-63] Image Pymol Jmol Links: PDB, SCOP, CATH

CALCIUM-BINDING PROTEIN ; ligands: PB ; X-RAY DIFFRACTION 3.0Å

e3ulgB1[B:1-63] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: BA ; X-RAY DIFFRACTION 3.2Å

e5f6tA1[A:98-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calexcitin ; ligands: CA ; X-RAY DIFFRACTION 2.2Å

e2m7mA1[A:1-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: CA ; SOLUTION NMR

e4mn0A3[A:3-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Berovin ; ligands: CA ; X-RAY DIFFRACTION 1.9Å

e2m7kA1[A:1-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; SOLUTION NMR

e5bpjA1[A:4-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Apoberovin 1 ; ligands: MG ; X-RAY DIFFRACTION 1.75Å

e3px1A1[A:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH

Calcium-binding protein ; ligands: SR ; X-RAY DIFFRACTION 3.000Å

e2hpkA1[A:3-193] Image Pymol Jmol Links: PDB, SCOP, CATH

e2mhhA1[A:12-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polycystic kidney disease protein 2 ; SOLUTION NMR

e3qjkA1[A:2-65] Image Pymol Jmol Links: PDB, SCOP, CATH

CALCIUM-BINDING PROTEIN ; ligands: ACT,PB ; X-RAY DIFFRACTION 3.0Å

e3ulgA1[A:4-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CALCIUM-BINDING PROTEIN ; ligands: BA ; X-RAY DIFFRACTION 3.2Å

e2kldA1[A:724-796] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polycystin-2 ; SOLUTION NMR

e2kleA1[A:724-796] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polycystin-2 ; SOLUTION NMR

e5x2eA1[A:2-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tegumental protein 20.8 kDa ; ligands: CA ; X-RAY DIFFRACTION 1.300Å

e4nqgA2[A:110-198] Image Pymol Jmol Links: PDB, SCOP, CATH

Mitrocomin ; ligands: CZH ; X-RAY DIFFRACTION 1.3Å

e3akaA3[A:41-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative calcium binding protein ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e4nqgB2[B:110-198] Image Pymol Jmol Links: PDB, SCOP, CATH

Mitrocomin ; ligands: CZH ; X-RAY DIFFRACTION 1.3Å

e3akbA2[A:41-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative calcium binding protein ; ligands: CA ; X-RAY DIFFRACTION 1.5Å

e6mi5X2[X:23-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Lanmodulin ; ligands: YT3 ; SOLUTION NMR

e3mseB2[B:1-105] Image Pymol Jmol Links: PDB, SCOP, CATH

Calcium-dependent protein kinase, putative ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.100Å

e6kthA2[A:86-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Juvenile hormone diol kinase ; X-RAY DIFFRACTION 1.220Å

e2hpsA3[A:101-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COELENTERAZINE-BINDING PROTEIN WITH BOUND COELENTERAZINE ; ligands: CTZ ; X-RAY DIFFRACTION 1.72Å

e6pbcA7[A:146-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma,1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 ; X-RAY DIFFRACTION 2.460Å

e2hq8A4[A:97-184] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coelenterazine-binding protein ca-bound apo form ; ligands: CA ; X-RAY DIFFRACTION 1.80Å

e7z3jA8[A:146-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 ; X-RAY DIFFRACTION 2.0Å

e2hq8B4[B:97-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coelenterazine-binding protein ca-bound apo form ; ligands: CA ; X-RAY DIFFRACTION 1.80Å

e6tp5A2[A:133-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transmembrane prolyl 4-hydroxylase ; ligands: CA,CL,GLY,TBU ; X-RAY DIFFRACTION 2.25Å

e7t8tA8[A:146-221] Image Pymol Jmol Links: PDB, SCOP, CATH

1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma ; ELECTRON MICROSCOPY

e8fnsA2[A:29-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ND ; X-RAY DIFFRACTION 1.01Å

e6tp5B2[B:133-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transmembrane prolyl 4-hydroxylase ; ligands: CA,CL,GLY,TBU ; X-RAY DIFFRACTION 2.25Å

e8dq2A1[A:103-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: NA ; X-RAY DIFFRACTION 1.8Å

e8iah82[8:2265-2344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Spectrin alpha, erythrocytic 1 ; ELECTRON MICROSCOPY

e1oqpA1[A:93-169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Caltractin ; SOLUTION NMR

e1ozsA1[A:89-161] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Troponin C, slow skeletal and cardiac muscles ; ligands: CA ; SOLUTION NMR

e2lhiA1[A:0-77] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calmodulin,Serine/threonine-protein phosphatase 2B catalytic subunit A1 ; ligands: CA ; SOLUTION NMR

e2lhiA2[A:78-151] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calmodulin,Serine/threonine-protein phosphatase 2B catalytic subunit A1 ; ligands: CA ; SOLUTION NMR

e2lvvA2[A:132-205] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FLAGELLAR CALCIUM-BINDING PROTEIN TB-24 ; SOLUTION NMR

e2sasA1[A:1-93] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SARCOPLASMIC CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION

e3j8hA8[A:4071-4131] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ryanodine receptor 1 ; ELECTRON MICROSCOPY

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.

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

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