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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: Laminin_G_2

PF02210 CL0004

Representatives:

e2erfA1[A:10-215] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; X-RAY DIFFRACTION 1.45Å

e5xauD2[D:2933-3120] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-5 ; ligands: NAG ; X-RAY DIFFRACTION 1.80Å

e5xauD3[D:3121-3293] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-5 ; ligands: CA,NAG ; X-RAY DIFFRACTION 1.80Å

e1dykA2[A:2933-3117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA 2 CHAIN ; ligands: CA ; X-RAY DIFFRACTION 2.000Å

e5ik4A2[A:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA ; X-RAY DIFFRACTION 1.27Å

e2uurA1[A:19-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COLLAGEN ALPHA-1(IX) CHAIN ; ligands: EDO,SO4,ZN ; X-RAY DIFFRACTION 1.8Å

e5ik5A1[A:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA,GOL ; X-RAY DIFFRACTION 1.39Å

e5ik7A2[A:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA,EDO,FLC ; X-RAY DIFFRACTION 2.00Å

e5ik7B1[B:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA,EDO,FLC ; X-RAY DIFFRACTION 2.00Å

e5ik8A2[A:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA,EDO,FLC ; X-RAY DIFFRACTION 2.00Å

e5ik8B1[B:2933-3118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-2 ; ligands: CA,EDO,FLC ; X-RAY DIFFRACTION 2.00Å

e1qu0C1[C:2935-3117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA2 CHAIN ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.35Å

e1qu0B1[B:2936-3116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA2 CHAIN ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.35Å

e1qu0A1[A:2936-3116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA2 CHAIN ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.35Å

e1qu0D1[D:2936-3116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA2 CHAIN ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.35Å

e1c4rA1[A:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e3biwH1[H:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 3.410Å

e3biwG1[G:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,NAG ; X-RAY DIFFRACTION 3.410Å

e1c4rE1[E:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e3b3qE1[E:82,E:85-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NRXN1 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e1c4rH1[H:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e3b3qF1[F:82,F:85-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NRXN1 PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.4Å

e1c4rC1[C:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e1c4rD1[D:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e3biwF1[F:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,NAG ; X-RAY DIFFRACTION 3.410Å

e3biwE1[E:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,NAG ; X-RAY DIFFRACTION 3.410Å

e1c4rG1[G:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e1c4rB1[B:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e1c4rF1[F:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-I BETA ; X-RAY DIFFRACTION 2.6Å

e3mw2A1[A:84-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: PO4 ; X-RAY DIFFRACTION 2.7Å

e3mw3A1[A:86-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-2-beta ; ligands: CA ; X-RAY DIFFRACTION 2.35Å

e2h0bA1[A:280-475] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.100Å

e2r16A1[A:723-906] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA ; X-RAY DIFFRACTION 1.04Å

e3bopA1[A:86-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

beta-Neurexin 2D4 ; X-RAY DIFFRACTION 3.0Å

e2h0bB1[B:280-475] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.100Å

e2h0bC1[C:278-475] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA ; X-RAY DIFFRACTION 2.100Å

e2h0bD1[D:279-475] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA,GOL ; X-RAY DIFFRACTION 2.100Å

e2r1bB1[B:80-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA ; X-RAY DIFFRACTION 1.72Å

e3bopB1[B:87-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

beta-Neurexin 2D4 ; X-RAY DIFFRACTION 3.0Å

e3bopC1[C:86-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

beta-Neurexin 2D4 ; X-RAY DIFFRACTION 3.0Å

e2wqzC1[C:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA ; X-RAY DIFFRACTION 3.90Å

e2wqzD1[D:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA ; X-RAY DIFFRACTION 3.90Å

e2xb6C1[C:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA,EDO,MES ; X-RAY DIFFRACTION 2.60Å

e2xb6D1[D:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e3mw2B1[B:84-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.7Å

e3qcwA1[A:1125-1337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwA2[A:281-482] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwA3[A:483-680] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwA4[A:724-905] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3asiA1[A:867-1045] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-ALPHA ; X-RAY DIFFRACTION 2.3Å

e3qcwA5[A:906-1085] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3vkfC1[C:82-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA ; X-RAY DIFFRACTION 3.3Å

e3bodA1[A:81-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; ligands: CA ; X-RAY DIFFRACTION 1.7Å

e3asiA2[A:1085-1261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-ALPHA ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.3Å

e3vkfD1[D:81-287] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEUREXIN-1-BETA ; ligands: CA ; X-RAY DIFFRACTION 3.3Å

e2jd4A2[A:2873-3060] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ SUBUNIT ALPHA-1 ; ligands: MG ; X-RAY DIFFRACTION 1.9Å

e2jd4B1[B:2872-3060] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ SUBUNIT ALPHA-1 ; ligands: CL,MG ; X-RAY DIFFRACTION 1.9Å

e3mw4A1[A:79-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-2-beta ; ligands: CA,SO4 ; X-RAY DIFFRACTION 2.0Å

e2c5dA1[A:457-677] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GROWTH-ARREST-SPECIFIC PROTEIN 6 PRECURSOR ; ligands: CA ; X-RAY DIFFRACTION 3.3Å

e2r1dB1[B:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e2r1dC1[C:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

e2r1dD1[D:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e2r1dE1[E:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

e2r1dF1[F:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

e2r1dG1[G:36-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

e2r1dH1[H:36-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

e2r1dI1[I:39-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e3mw4B1[B:79-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-2-beta ; ligands: SO4 ; X-RAY DIFFRACTION 2.0Å

e3mw4C1[C:79-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-2-beta ; ligands: SO4 ; X-RAY DIFFRACTION 2.0Å

e1okqA2[A:2933-3117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LAMININ ALPHA 2 CHAIN ; ligands: CA ; X-RAY DIFFRACTION 2.800Å

e1z78A1[A:10-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Thrombospondin 1 ; X-RAY DIFFRACTION 1.8Å

e2es3A1[A:10-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; X-RAY DIFFRACTION 1.85Å

e2es3B1[B:10-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; X-RAY DIFFRACTION 1.85Å

e1za4A1[A:11-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN 1 ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å

e2ouhA1[A:12-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.4Å

e2ouhB1[B:12-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.4Å

e2oujA1[A:12-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THROMBOSPONDIN-1 ; X-RAY DIFFRACTION 1.9Å

e2c5dB4[B:467-677] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GROWTH-ARREST-SPECIFIC PROTEIN 6 PRECURSOR ; ligands: CA ; X-RAY DIFFRACTION 3.3Å

e4ra0A1[A:467-676] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Growth arrest-specific protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.07Å

e4ra0B1[B:467-675] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Growth arrest-specific protein 6 ; ligands: CA ; X-RAY DIFFRACTION 3.07Å

e3poyA4[A:294-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 3.02Å

e3r05A4[A:281-457] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3r05B4[B:281-457] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3poyA2[A:474-695] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 3.02Å

e3r05A2[A:458-679] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3r05B2[B:458-679] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3poyA7[A:739-935] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 3.02Å

e3r05A7[A:717-915] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3r05B7[B:717-915] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3poyA6[A:936-1088] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 3.02Å

e3r05A6[A:916-1072] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3r05B6[B:916-1072] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.950Å

e3qcwB2[B:451-679] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwB4[B:281-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwB5[B:706-931] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e3qcwB7[B:932-1071] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-alpha ; X-RAY DIFFRACTION 2.650Å

e5vxzA2[A:467-675] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Growth arrest-specific protein 6 ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e5vxzB2[B:467-675] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Growth arrest-specific protein 6 ; ligands: CA ; X-RAY DIFFRACTION 2.300Å

e5z8yB1[B:85-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,NAG ; X-RAY DIFFRACTION 3.40Å

e5z8yD1[D:85-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,FUC,NAG ; X-RAY DIFFRACTION 3.40Å

e5z8yF1[F:85-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,FUC,NAG ; X-RAY DIFFRACTION 3.40Å

e5z8yH1[H:85-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; ligands: CA,FUC,NAG ; X-RAY DIFFRACTION 3.40Å

e6cw1A1[A:279-483] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 2.840Å

e6cw1B1[B:278-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 2.840Å

e6cw1A2[A:484-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 2.840Å

e6cw1B2[B:485-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 2.840Å

e6pnqA1[A:280-484] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 1.9470Å

e6pnpA1[A:280-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1 ; X-RAY DIFFRACTION 1.94Å

e7cecC3[C:2933-3120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-5 ; ELECTRON MICROSCOPY

e7cecC2[C:3121-3293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Laminin subunit alpha-5 ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e1h30A2[A:461-678] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GROWTH-ARREST-SPECIFIC PROTEIN ; ligands: CA ; X-RAY DIFFRACTION 2.2Å

e2r1dA1[A:36-212] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neurexin-1-beta ; X-RAY DIFFRACTION 2.60Å

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