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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

e2e30A3[A:111-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding protein p22 ; ligands: CA ; SOLUTION NMR

e2ct9B5[B:111-203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding protein p22 ; ligands: CA ; X-RAY DIFFRACTION 2.20Å

e2ct9A5[A:111-203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding protein p22 ; ligands: CA ; X-RAY DIFFRACTION 2.20Å

e3aajB3[B:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e3aajA3[A:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e4n5xA1[A:85-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,PEG ; X-RAY DIFFRACTION 2.1Å

e2zneB1[B:94-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: NA,ZN ; X-RAY DIFFRACTION 2.2Å

e2zrsE1[E:94-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrtA1[A:94-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e3aakA3[A:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 2.7Å

e2zn9A3[A:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: 12P,2PE,CA ; X-RAY DIFFRACTION 2.4Å

e2zneA3[A:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: NA,ZN ; X-RAY DIFFRACTION 2.2Å

e2zn8A3[A:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: NA,ZN ; X-RAY DIFFRACTION 2.7Å

e2zrtF3[F:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zn9B3[B:96-190] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: 12P,2PE,CA ; X-RAY DIFFRACTION 2.4Å

e2zrtD3[D:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zndA3[A:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: MRD,NA,PO4 ; X-RAY DIFFRACTION 1.7Å

e2zrtE3[E:96-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zrtC3[C:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zrsF3[F:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrtB3[B:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zrsB3[B:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrsD3[D:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrtG3[G:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zrsG3[G:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrsC3[C:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrtH3[H:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2zrsH3[H:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e2zrsA3[A:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e3wxaA2[A:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: ZN ; X-RAY DIFFRACTION 2.36Å

e3wxaB2[B:94-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: ZN ; X-RAY DIFFRACTION 2.36Å

e2m97A1[A:1-69] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OPTIMIZED RATIOMETRIC CALCIUM SENSOR ; SOLUTION NMR

e1dtlA2[A:93-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CARDIAC TROPONIN C ; ligands: BEP,CA ; X-RAY DIFFRACTION 2.15Å

e2k2aA1[A:89-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Troponin C ; SOLUTION NMR

e5b8iB2[B:87-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcineurin subunit B, variant ; ligands: CA,EDO,FK5 ; X-RAY DIFFRACTION 1.850Å

e4zcuA1[A:85-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,GOL,SO4 ; X-RAY DIFFRACTION 2.100Å

e4zcuB1[B:85-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.100Å

e4zcuC1[C:85-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.100Å

e4zcvA1[A:85-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.800Å

e4zcvB2[B:85-173] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e4zcvC1[C:85-173] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.800Å

e4zcvD1[D:85-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcium-binding mitochondrial carrier protein SCaMC-1 ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e5jjgA1[A:94-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pcalcium-binding protein ALG-2, rogrammed cell death protein 6 ; ligands: IPA,MG ; X-RAY DIFFRACTION 1.720Å

e5gqqC2[C:96-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 2.20Å

e5gqqD1[D:96-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 6 ; ligands: CA ; X-RAY DIFFRACTION 2.20Å

e5sveB2[B:86-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Calcineurin subunit B type 1 ; ligands: CA ; X-RAY DIFFRACTION 2.59Å

e1j1dA2[A:89-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Troponin C ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e1j1dD2[D:89-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Troponin C ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e1j1eD2[D:89-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Troponin C ; ligands: CA ; X-RAY DIFFRACTION 3.3Å

e4y99A1[A:89-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Troponin C, slow skeletal and cardiac muscles ; ligands: CA,DMS ; X-RAY DIFFRACTION 2Å

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

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