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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

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: Homing endonucleases-like
H: Homing endonucleases
T: Homing endonucleases
F: LAGLIDADG_1

PF00961 CL0324

Representatives:

e1t9iA1[A:2-154] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 1.6Å

e1m5xA1[A:6-166] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.25Å

e1p8kZ1[Z:1-125] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED ENDONUCLEASE I-ANII ; ligands: MG ; X-RAY DIFFRACTION 2.6Å

e1af5A1[A:4-138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CREI ; X-RAY DIFFRACTION

e3qqyA1[A:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOMAL PROTEIN 3/HOMING ENDONUCLEASE-LIKE PROTEIN FUSION ; ligands: MG ; X-RAY DIFFRACTION 2.4Å

e2ab5A1[A:257-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mRNA maturase ; ligands: SO4 ; X-RAY DIFFRACTION 2.20Å

e2qojZ1[Z:1-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAGLIDADG endonuclease ; ligands: MG ; X-RAY DIFFRACTION 2.400Å

e2ab5A2[A:390-517] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mRNA maturase ; ligands: SO4 ; X-RAY DIFFRACTION 2.20Å

e2qojZ2[Z:126-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAGLIDADG endonuclease ; ligands: MG ; X-RAY DIFFRACTION 2.400Å

e2ab5B1[B:256-389] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mRNA maturase ; ligands: SO4 ; X-RAY DIFFRACTION 2.20Å

e2ab5B2[B:390-517] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mRNA maturase ; X-RAY DIFFRACTION 2.20Å

e3eh8A1[A:1-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3eh8D1[D:1-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3eh8G1[G:1-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3eh8A2[A:126-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3eh8D2[D:126-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3eh8G2[G:126-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Intron-encoded DNA endonuclease I-AniI ; ligands: CA ; X-RAY DIFFRACTION 2.70Å

e3uvfA1[A:2-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED DNA ENDONUCLEASE I-HJEMI ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e3uvfA2[A:128-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED DNA ENDONUCLEASE I-HJEMI ; ligands: CA,PEG ; X-RAY DIFFRACTION 3.0Å

e3uvfB1[B:2-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED DNA ENDONUCLEASE I-HJEMI ; ligands: CA,NA,PEG ; X-RAY DIFFRACTION 3.0Å

e3uvfB2[B:128-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED DNA ENDONUCLEASE I-HJEMI ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e3qqyA2[A:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOMAL PROTEIN 3/HOMING ENDONUCLEASE-LIKE PROTEIN FUSION ; ligands: MG ; X-RAY DIFFRACTION 2.4Å

e3fd2A1[A:5-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.690Å

e3e54A1[A:4-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RRNA intron-encoded endonuclease ; ligands: EOH,MG ; X-RAY DIFFRACTION 2.320Å

e3mxbR1[R:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

V3(E8K) ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.19Å

e1t9iB1[B:302-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 1.6Å

e2vbnA1[A:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA,MG ; X-RAY DIFFRACTION 1.9Å

e2vboA1[A:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e3mxbA1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

V3(E8K) ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.19Å

e3mxbB1[B:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

V2(K7E-G19S) ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.19Å

e1bp7A1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (I-CREI) ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e1bp7B1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (I-CREI) ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e1bp7C1[C:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (I-CREI) ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e1bp7D1[D:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (I-CREI) ; ligands: CA ; X-RAY DIFFRACTION 3.0Å

e1g9yA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 2.05Å

e1g9yB1[B:202-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 2.05Å

e1g9zA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e1g9zB1[B:202-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e1mowA1[A:100-251] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chimera of homing endonuclease I-DmoI and DNA endonuclease I-CreI ; ligands: GOL,MG,SO4 ; X-RAY DIFFRACTION 2.4Å

e1mowD1[D:600-751] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chimera of homing endonuclease I-DmoI and DNA endonuclease I-CreI ; ligands: GOL,MG,SO4 ; X-RAY DIFFRACTION 2.4Å

e1mowJ1[J:1600-1751] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chimera of homing endonuclease I-DmoI and DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.4Å

e1u0cA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e1u0cB1[B:302-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e1u0dA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.9Å

e1u0dB1[B:302-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.9Å

e2i3pA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e2i3pB1[B:302-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e2i3qA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e2i3qB1[B:302-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e2o7mA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; X-RAY DIFFRACTION 2.0Å

e2o7mB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; X-RAY DIFFRACTION 2.0Å

e2vbjA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 1.95Å

e2vbjB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 1.95Å

e2vblA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e2vblB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e2vbnB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA,MG ; X-RAY DIFFRACTION 1.9Å

e2vboB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 1.8Å

e2xe0A1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CREI V2V3 VARIANT ; ligands: ACT,MG,PGO ; X-RAY DIFFRACTION 2.31Å

e2xe0B1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CREI V2V3 VARIANT ; ligands: ACT,MG,PGO ; X-RAY DIFFRACTION 2.31Å

e3mxbS1[S:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

V2(K7E-G19S) ; ligands: CA,PO4 ; X-RAY DIFFRACTION 2.19Å

e4aabA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG,PGO ; X-RAY DIFFRACTION 2.5Å

e4aabB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: MG,PGO ; X-RAY DIFFRACTION 2.5Å

e4aadB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: GOL ; X-RAY DIFFRACTION 3.1Å

e4aaeA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; X-RAY DIFFRACTION 2.6Å

e4aafB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; X-RAY DIFFRACTION 2.5Å

e4aagA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4aagB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4aquA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.3Å

e4aquB1[B:202-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.3Å

e4aqxA1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: GOL,MG ; X-RAY DIFFRACTION 2.2Å

e4aqxB1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: GOL,MG ; X-RAY DIFFRACTION 2.2Å

e1mowG1[G:1100-1250] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

chimera of homing endonuclease I-DmoI and DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.4Å

e1n3eA1[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.5Å

e1n3eB1[B:203-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.5Å

e1n3eG1[G:503-653] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.5Å

e1n3eH1[H:703-853] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.5Å

e1t9jA1[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.0Å

e1t9jB1[B:303-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; X-RAY DIFFRACTION 2.0Å

e3mxaA1[A:2-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

scV3V2(G19S) ; ligands: EOH,MN ; X-RAY DIFFRACTION 2.29Å

e3mxaA2[A:196-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

scV3V2(G19S) ; ligands: EOH,MN ; X-RAY DIFFRACTION 2.29Å

e1n3fA1[A:3-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2Å

e1n3fB1[B:203-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2Å

e1n3fG1[G:503-651] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2Å

e1n3fH1[H:703-851] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: CA ; X-RAY DIFFRACTION 2Å

e3mx9A1[A:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein scV3V2(G19S) ; ligands: CA ; X-RAY DIFFRACTION 2.29Å

e3mx9A2[A:196-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein scV3V2(G19S) ; ligands: CA ; X-RAY DIFFRACTION 2.29Å

e2fldB1[B:206-368] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-MSOI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.000Å

e1m5xB1[B:206-366] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.25Å

e2fldA1[A:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-MSOI ; ligands: CA,NA ; X-RAY DIFFRACTION 2.000Å

e3ko2A1[A:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.90Å

e3ko2B1[B:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.90Å

e3ko2F1[F:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.90Å

e3ko2G1[G:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.90Å

e3mipA1[A:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mso-8G ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e3mipB1[B:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mso-8G ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e3misA1[A:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MSO-8G ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e3misB1[B:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MSO-8G ; ligands: CA ; X-RAY DIFFRACTION 2.3Å

e3e54B1[B:204-362] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RRNA intron-encoded endonuclease ; ligands: EOH,MG ; X-RAY DIFFRACTION 2.320Å

e3fd2A2[A:207-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Site-specific DNA endonuclease I-MsoI ; ligands: CA ; X-RAY DIFFRACTION 2.690Å

e4efjA3[A:166-296] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG ENDONUCLEASE ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4efjA4[A:6-165] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG ENDONUCLEASE ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4efjB3[B:166-296] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG ENDONUCLEASE ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4efjB4[B:6-165] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG ENDONUCLEASE ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e3r7pA5[A:172-315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: MG,MN ; X-RAY DIFFRACTION 2.7Å

e3r7pA6[A:15-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: MG,MN ; X-RAY DIFFRACTION 2.7Å

e4aafA2[A:2-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: EDO ; X-RAY DIFFRACTION 2.5Å

e4aaeB2[B:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; X-RAY DIFFRACTION 2.6Å

e4aadA2[A:2-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CREI ; ligands: GOL ; X-RAY DIFFRACTION 3.1Å

e4lq0A1[A:170-304] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG HOMING ENDONUCLEASE ; X-RAY DIFFRACTION 2.68Å

e4lq0A2[A:7-169] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG HOMING ENDONUCLEASE ; X-RAY DIFFRACTION 2.68Å

e4loxA2[A:167-302] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG homing endonuclease I-SmaMI ; ligands: MG ; X-RAY DIFFRACTION 1.98Å

e4loxA1[A:3-166] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG homing endonuclease I-SmaMI ; ligands: MG ; X-RAY DIFFRACTION 1.98Å

e4z1xA2[A:166-296] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG endonuclease ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4z1xB2[B:166-296] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG endonuclease ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4z1xA1[A:6-165] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG endonuclease ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e4z1xB1[B:6-165] Image Pymol Jmol Links: PDB, SCOP, CATH

LAGLIDADG endonuclease ; ligands: CA ; X-RAY DIFFRACTION 2.8Å

e5a72A1[A:6-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e5a72B1[B:6-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e5a74A1[A:6-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MN ; X-RAY DIFFRACTION 2.50Å

e5a74B1[B:6-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MN ; X-RAY DIFFRACTION 2.50Å

e5a77A1[A:6-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MG ; X-RAY DIFFRACTION 2.50Å

e5a77B1[B:6-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MG ; X-RAY DIFFRACTION 2.50Å

e5a78A1[A:6-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MG ; X-RAY DIFFRACTION 2.50Å

e5a78B1[B:6-163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA ENDONUCLEASE I-CVUI ; ligands: MG ; X-RAY DIFFRACTION 2.50Å

e5e5oA2[A:167-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG endonuclease ; ligands: CA,EDO ; X-RAY DIFFRACTION 2.36Å

e5e5pA1[A:167-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; X-RAY DIFFRACTION 2.64Å

e5e5sA2[A:167-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG ; X-RAY DIFFRACTION 2.28Å

e5e63A2[A:167-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG ; X-RAY DIFFRACTION 2.6Å

e5e67A1[A:167-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG,MXE ; X-RAY DIFFRACTION 2.2Å

e5e5oA1[A:7-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG endonuclease ; ligands: CA ; X-RAY DIFFRACTION 2.36Å

e5e5pA2[A:5-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: EDO,PG0 ; X-RAY DIFFRACTION 2.64Å

e5e5sA1[A:4-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG ; X-RAY DIFFRACTION 2.28Å

e5e63A1[A:8-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG,MXE ; X-RAY DIFFRACTION 2.6Å

e5e67A2[A:7-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-SmaMI LAGLIDADG meganuclease ; ligands: MG,MXE ; X-RAY DIFFRACTION 2.2Å

e4yhxA2[A:162-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.150Å

e4yhxA1[A:4-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.150Å

e4yisA2[A:165-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-CpaMI ; ligands: CA,EDO ; X-RAY DIFFRACTION 2.800Å

e4yisB1[B:165-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-CpaMI ; ligands: CA,EDO ; X-RAY DIFFRACTION 2.800Å

e4yitA2[A:157-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-AabMI ; ligands: CA ; X-RAY DIFFRACTION 3.130Å

e4yitD1[D:157-287] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-AabMI ; ligands: CA ; X-RAY DIFFRACTION 3.130Å

e4yisA1[A:5-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-CpaMI ; ligands: CA,EDO ; X-RAY DIFFRACTION 2.800Å

e4yisB2[B:5-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-CpaMI ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e4yitA1[A:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-AabMI ; ligands: CA ; X-RAY DIFFRACTION 3.130Å

e4yitD2[D:1-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-AabMI ; ligands: CA ; X-RAY DIFFRACTION 3.130Å

e4z1zA2[A:167-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-SmaMI ; ligands: CA,GOL ; X-RAY DIFFRACTION 3.100Å

e4z1zB2[B:167-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-SmaMI ; ligands: CA ; X-RAY DIFFRACTION 3.100Å

e4z20A2[A:167-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MEGANUCLEASE I-SMAMI ; ligands: CA,GOL ; X-RAY DIFFRACTION 3.000Å

e4z20D2[D:167-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MEGANUCLEASE I-SMAMI ; ligands: CA,GOL ; X-RAY DIFFRACTION 3.000Å

e4z1zA1[A:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-SmaMI ; ligands: CA,GOL ; X-RAY DIFFRACTION 3.100Å

e4z1zB1[B:6-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Meganuclease I-SmaMI ; ligands: CA ; X-RAY DIFFRACTION 3.100Å

e4z20A1[A:3-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MEGANUCLEASE I-SMAMI ; ligands: CA ; X-RAY DIFFRACTION 3.000Å

e4z20D1[D:8-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MEGANUCLEASE I-SMAMI ; ligands: CA ; X-RAY DIFFRACTION 3.000Å

e5espA1[A:165-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-PanMI ; ligands: CA ; X-RAY DIFFRACTION 2.995Å

e5espB2[B:165-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-PanMI ; ligands: CA ; X-RAY DIFFRACTION 2.995Å

e5espA2[A:7-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-PanMI ; ligands: CA ; X-RAY DIFFRACTION 2.995Å

e5espB1[B:7-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-PanMI ; ligands: CA ; X-RAY DIFFRACTION 2.995Å

e5t2hA2[A:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-hTCRa ; ligands: CA ; X-RAY DIFFRACTION 2.520Å

e5t2nA2[A:157-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-ag007820 ; ligands: CA ; X-RAY DIFFRACTION 2.080Å

e5t2oA2[A:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-ag011377 ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e5t8dA1[A:156-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-vHIVInt_v2 ; ligands: CA ; X-RAY DIFFRACTION 2.150Å

e5thgA2[A:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH

I-OnuI_e-hCCR5 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e5thgD2[D:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH

I-OnuI_e-hCCR5 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e5t2hA1[A:8-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-hTCRa ; ligands: CA ; X-RAY DIFFRACTION 2.520Å

e5t2nA1[A:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-ag007820 ; ligands: CA ; X-RAY DIFFRACTION 2.080Å

e5t2oA1[A:8-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-ag011377 ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e5t8dA2[A:7-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-vHIVInt_v2 ; ligands: CA ; X-RAY DIFFRACTION 2.150Å

e5thgA1[A:7-155] Image Pymol Jmol Links: PDB, SCOP, CATH

I-OnuI_e-hCCR5 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e5thgD1[D:6-155] Image Pymol Jmol Links: PDB, SCOP, CATH

I-OnuI_e-hCCR5 ; ligands: CA ; X-RAY DIFFRACTION 3.10Å

e5gkkA1[A:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative homing endonuclease ; X-RAY DIFFRACTION 2.0Å

e5gkkB1[B:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative homing endonuclease ; X-RAY DIFFRACTION 2.0Å

e5v0qA1[A:156-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-vHIVInt_v1 ; ligands: CA ; X-RAY DIFFRACTION 2.400Å

e5v0qA2[A:7-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-OnuI_e-vHIVInt_v1 ; ligands: CA ; X-RAY DIFFRACTION 2.400Å

e6fb0A1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: ACT,CA,PGO ; X-RAY DIFFRACTION 2.15Å

e6fb0B1[B:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: ACT,CA,PGO ; X-RAY DIFFRACTION 2.15Å

e6fb7A1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN ; X-RAY DIFFRACTION 2.689Å

e6fb7B1[B:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN ; X-RAY DIFFRACTION 2.689Å

e6fb8A1[A:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG,PGO ; X-RAY DIFFRACTION 2.45Å

e6fb8B1[B:202-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG,PGO ; X-RAY DIFFRACTION 2.45Å

e6fb9A1[A:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN,PGO ; X-RAY DIFFRACTION 2.95Å

e6fb9B1[B:202-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN,PGO ; X-RAY DIFFRACTION 2.95Å

e6fb1A1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG ; X-RAY DIFFRACTION 3.0Å

e6fb2A1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN ; X-RAY DIFFRACTION 2.95Å

e6fb5A1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CreI monomer A ; ligands: ACT,MG,PGO ; X-RAY DIFFRACTION 2.20Å

e6fb6A1[A:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CreI monomer A ; ligands: MN ; X-RAY DIFFRACTION 2.60Å

e6fb1B1[B:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MG ; X-RAY DIFFRACTION 3.0Å

e6fb2B1[B:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA endonuclease I-CreI ; ligands: MN ; X-RAY DIFFRACTION 2.95Å

e6fb5B1[B:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CreI monomer B ; ligands: ACT,MG,PGO ; X-RAY DIFFRACTION 2.20Å

e6fb6B1[B:2-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

I-CreI monomer B ; ligands: MN ; X-RAY DIFFRACTION 2.60Å

e6bd0A2[A:157-303] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosomal protein 3/homing endonuclease-like protein fusion ; ligands: CA ; X-RAY DIFFRACTION 1.45Å

e6bd0A1[A:4-156] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosomal protein 3/homing endonuclease-like protein fusion ; ligands: CA ; X-RAY DIFFRACTION 1.45Å

e6bciA2[A:172-315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.28Å

e6bciA1[A:15-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.28Å

e6bdaA1[A:156-303] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosomal protein 3/homing endonuclease-like protein fusion ; ligands: MG ; X-RAY DIFFRACTION 1.88Å

e6bdaA2[A:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosomal protein 3/homing endonuclease-like protein fusion ; ligands: MG ; X-RAY DIFFRACTION 1.88Å

e6bceA1[A:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 1.75Å

e6bcfD1[D:172-313] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.92Å

e6bcfA1[A:172-313] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.92Å

e6bcfG2[G:172-313] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.92Å

e6bcfJ1[J:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.92Å

e6bcgD2[D:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e6bcgA2[A:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e6bcgG2[G:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

e6bcgJ1[J:172-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein 3/homing endonuclease-like fusion protein ; ligands: CA ; X-RAY DIFFRACTION 2.9Å

Next

e1p8kZ2[Z:126-254] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

INTRON-ENCODED ENDONUCLEASE I-ANII ; ligands: MG ; X-RAY DIFFRACTION 2.6Å

X: ClpS-like

contains a HTH motif

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