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

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365



lacks the first strand in SH3

Representatives:
e1pfbA1[A:23-77]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Polycomb protein ; ligands: ACY,BME,CL ; X-RAY DIFFRACTION 1.4Å
e1x3qA1[A:3-57] Image Pymol Jmol Links: PDB, SCOP, CATH
cpSRP43 ; SOLUTION NMR
e3ui2A4[A:265-318] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SIGNAL RECOGNITION PARTICLE 43 KDA PROTEIN, CHLOROPLASTIC ; X-RAY DIFFRACTION 3.18Å
e6guuB2[B:463-483,B:503-570] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 5 ; X-RAY DIFFRACTION 2.95Å
e1q3lA1[A:23-74] Image Pymol Jmol Links: PDB, SCOP, CATH
HETEROCHROMATIN PROTEIN 1 ; X-RAY DIFFRACTION 1.64Å
e1kneA1[A:23-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HETEROCHROMATIN PROTEIN 1 ; X-RAY DIFFRACTION 2.40Å
e1knaA1[A:23-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HETEROCHROMATIN PROTEIN 1 ; X-RAY DIFFRACTION 2.10Å
e1pdqA1[A:23-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polycomb protein ; X-RAY DIFFRACTION 1.76Å
e2b2tB1[B:109-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2vB1[B:108-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.500Å
e2b2uB1[B:108-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.950Å
e2b2tA1[A:109-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2vB2[B:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.500Å
e2b2yC1[C:13-96] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.350Å
e2b2vC1[C:13-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.500Å
e2b2yB2[B:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.350Å
e2b2tB2[B:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2uC1[C:13-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.950Å
e2b2tC1[C:13-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2wC1[C:13-96] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2uB2[B:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.950Å
e2b2tA2[A:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2wB2[B:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2wA2[A:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2vA2[A:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.500Å
e2b2uA2[A:13-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.950Å
e3g7lA1[A:19-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromo domain-containing protein 1 ; ligands: ACY,ZN ; X-RAY DIFFRACTION 2.2Å
e3mtsA1[A:43-104] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histone-lysine N-methyltransferase SUV39H1 ; X-RAY DIFFRACTION 2.200Å
e2l11A1[A:1-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 3 ; SOLUTION NMR
e3gv6A1[A:8-63] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMOBOX PROTEIN HOMOLOG 6 ; X-RAY DIFFRACTION 1.76Å
e3h91A1[A:9-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 2 ; X-RAY DIFFRACTION 1.200Å
e3i8zA1[A:11-60] Image Pymol Jmol Links: PDB, SCOP, CATH
E3 SUMO-protein ligase CBX4 ; X-RAY DIFFRACTION 1.50Å
e3i91A1[A:9-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 8 ; X-RAY DIFFRACTION 1.55Å
e2kvmA1[A:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; SOLUTION NMR
e3tzdA1[A:24-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMOBOX PROTEIN HOMOLOG 3 ; X-RAY DIFFRACTION 1.81Å
e2k1bA1[A:1-55] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromobox protein homolog 7 ; SOLUTION NMR
e2k28A1[A:1-60] Image Pymol Jmol Links: PDB, SCOP, CATH
E3 SUMO-protein ligase CBX4 ; SOLUTION NMR
e3dm1A1[A:29-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 3 ; X-RAY DIFFRACTION 2.40Å
e3f2uA1[A:1-51] Image Pymol Jmol Links: PDB, SCOP, CATH
CHROMOBOX PROTEIN HOMOLOG 1 ; X-RAY DIFFRACTION 1.8Å
e3fdtA1[A:2-52] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 5 ; X-RAY DIFFRACTION 2.000Å
e2epbA1[A:364-431] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 6 ; SOLUTION NMR
e2ee1A1[A:1-64] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain helicase-DNA-binding protein 4 ; SOLUTION NMR
e3mtsB1[B:43-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histone-lysine N-methyltransferase SUV39H1 ; X-RAY DIFFRACTION 2.200Å
e3mtsC1[C:43-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histone-lysine N-methyltransferase SUV39H1 ; X-RAY DIFFRACTION 2.200Å
e3i90A1[A:9-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 6 ; X-RAY DIFFRACTION 2.00Å
e3i90B1[B:10-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 6 ; X-RAY DIFFRACTION 2.00Å
e3h91B1[B:9-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 2 ; X-RAY DIFFRACTION 1.200Å
e3i91B1[B:9-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 8 ; X-RAY DIFFRACTION 1.55Å
e2l12A1[A:1-56] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox homolog 7 ; SOLUTION NMR
e2l1bA1[A:1-56] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; SOLUTION NMR
e3dm1C1[C:29-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 3 ; X-RAY DIFFRACTION 2.40Å
e3dm1E1[E:29-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 3 ; X-RAY DIFFRACTION 2.40Å
e3dm1G1[G:29-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 3 ; X-RAY DIFFRACTION 2.40Å
e2rsnA1[A:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMO DOMAIN-CONTAINING PROTEIN 1 ; SOLUTION NMR
e2d9uA1[A:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromobox protein homolog 2 (isoform 2) ; SOLUTION NMR
e1ap0A1[A:8-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MODIFIER PROTEIN 1 ; SOLUTION NMR
e2b2uA1[A:108-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.950Å
e2b2wA1[A:108-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2vA1[A:108-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.500Å
e2b2wB1[B:108-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.400Å
e2b2yB1[B:108-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.350Å
e2dnvA1[A:1-64] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromobox protein homolog 8 ; SOLUTION NMR
e4haeA2[A:-5-60] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain Y-like protein 2 ; ligands: SO4,UNX ; X-RAY DIFFRACTION 2.000Å
e4nw2A6[A:270-364] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.9Å
e4nw2C6[C:270-364] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.9Å
e4nw2A5[A:365-442] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.9Å
e4nw2C5[C:365-442] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.9Å
e4mn3A1[A:1-56] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: EDO,MG,P33 ; X-RAY DIFFRACTION 1.54Å
e4o42A2[A:270-364] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.87Å
e4o42A1[A:365-442] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: GOL,UNX ; X-RAY DIFFRACTION 1.87Å
e2mj8A1[A:1-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; SOLUTION NMR
e2m2lA1[A:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH
PUTATIVE UNCHARACTERIZED PROTEIN ; SOLUTION NMR
e4qucA1[A:23-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 1.5Å
e4qufB1[B:22-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e4qufC1[C:22-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e4qufD1[D:22-79] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e4qufE1[E:22-79] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e4qufF1[F:23-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e4qufA1[A:22-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RE36324p ; X-RAY DIFFRACTION 2.5Å
e2rsoA1[A:80-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMATIN-ASSOCIATED PROTEIN SWI6 ; SOLUTION NMR
e4x3kA1[A:3-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: NI ; X-RAY DIFFRACTION 1.45Å
e4x3kB1[B:3-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: K,NI ; X-RAY DIFFRACTION 1.45Å
e4x3sA1[A:6-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: CIT ; X-RAY DIFFRACTION 1.60Å
e4x3sB1[B:6-65] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: CIT ; X-RAY DIFFRACTION 1.60Å
e4x3tA1[A:5-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3tB1[B:5-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3tC1[C:5-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,EDO,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3tD1[D:5-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3tE1[E:5-55] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3tF1[F:5-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 45E,EDO,ZN ; X-RAY DIFFRACTION 2.14Å
e4x3uA1[A:11-66] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: SVR ; X-RAY DIFFRACTION 1.63Å
e4x3uB1[B:10-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: SVR ; X-RAY DIFFRACTION 1.63Å
e4u68A1[A:23-86] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Rhino ; X-RAY DIFFRACTION 1.80Å
e4u68B1[B:22-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Rhino ; X-RAY DIFFRACTION 1.80Å
e4u68C1[C:22-79] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Rhino ; X-RAY DIFFRACTION 1.80Å
e5epjA1[A:9-60] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromobox protein homolog 7 ; ligands: UNX ; X-RAY DIFFRACTION 1.600Å
e5eplA1[A:6-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
E3 SUMO-protein ligase CBX4 ; ligands: UNX ; X-RAY DIFFRACTION 1.810Å
e5eplB1[B:6-63] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
E3 SUMO-protein ligase CBX4 ; ligands: UNX ; X-RAY DIFFRACTION 1.810Å
e5epkA1[A:9-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 2 ; ligands: UNX ; X-RAY DIFFRACTION 1.800Å
e5eq0A1[A:7-61] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 8 ; ligands: UNX ; X-RAY DIFFRACTION 1.180Å
e5afwA1[A:270-364] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: EDO ; X-RAY DIFFRACTION 1.60Å
e5afwA2[A:365-443] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 1 ; ligands: CL,EDO ; X-RAY DIFFRACTION 1.60Å
e2rvlA1[A:-2-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 5 ; SOLUTION NMR
e2rvmA1[A:-2-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 5 ; SOLUTION NMR
e2rvnA1[A:-2-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 5 ; SOLUTION NMR
e5jjzA1[A:-4-54] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain Y-like protein 2 ; X-RAY DIFFRACTION 2.000Å
e5kogA1[A:22-74] Image Pymol Jmol Links: PDB, SCOP, CATH
e6aszA1[A:22-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heterochromatin protein 1 ; X-RAY DIFFRACTION 1.518Å
e6at0A1[A:22-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heterochromatin protein 1 ; X-RAY DIFFRACTION 1.285Å
e6d08A1[A:1-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å
e6d08B1[B:1-52] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.10Å
e6d07B1[B:1-52] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 1 ; X-RAY DIFFRACTION 2.1Å
e6mhaA1[A:22-74] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Heterochromatin protein 1 ; X-RAY DIFFRACTION 1.49Å
e6guuB1[B:571-649] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 5 ; X-RAY DIFFRACTION 2.95Å
e6guuA2[A:464-483,A:506-570] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 5 ; X-RAY DIFFRACTION 2.95Å
e6guuA1[A:571-643] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 5 ; X-RAY DIFFRACTION 2.95Å
e6v2dA1[A:3-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2dI1[I:4-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2hA1[A:4-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6v2hG1[G:1-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6v2hI1[I:1-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6v2dC1[C:2-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2dE1[E:2-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2dG1[G:1-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2dK1[K:4-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.00Å
e6v2hC1[C:1-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6v2hE1[E:1-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6v2hK1[K:3-59] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: NI,UNX ; X-RAY DIFFRACTION 2.600Å
e6q3mA2[A:497-600] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO,PGE ; X-RAY DIFFRACTION 2.52Å
e6q3mB2[B:497-600] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO,PGE ; X-RAY DIFFRACTION 2.52Å
e6q3mC2[C:497-600] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO,PGE ; X-RAY DIFFRACTION 2.52Å
e6q3mD1[D:497-600] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO ; X-RAY DIFFRACTION 2.52Å
e6q3mA1[A:601-676] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO,PEG,PGE ; X-RAY DIFFRACTION 2.52Å
e6q3mB1[B:601-675] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO ; X-RAY DIFFRACTION 2.52Å
e6q3mC1[C:601-678] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; ligands: EDO,PEG ; X-RAY DIFFRACTION 2.52Å
e6q3mD2[D:601-674] Image Pymol Jmol Links: PDB, SCOP, CATH
Chromodomain-helicase-DNA-binding protein 4 ; X-RAY DIFFRACTION 2.52Å
e6v2rA1[A:9-62] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: UNX ; X-RAY DIFFRACTION 1.57Å
e6v8wA1[A:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wB1[B:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wC1[C:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wD1[D:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wF1[F:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wG1[G:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wH1[H:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wI1[I:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wJ1[J:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wK1[K:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wL1[L:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; X-RAY DIFFRACTION 2.70Å
e6v8wM1[M:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wN1[N:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wO1[O:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wP1[P:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wQ1[Q:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wR1[R:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wS1[S:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wT1[T:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wU1[U:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; X-RAY DIFFRACTION 2.70Å
e6v8wV1[V:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; X-RAY DIFFRACTION 2.70Å
e6v8wW1[W:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wX1[X:4-55] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wY1[Y:4-54] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wZ1[Z:4-53] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v8wE1[E:2-55] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v3nB1[B:3-64] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6v3nA1[A:2-61] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain Y-like protein 2 ; ligands: UNX ; X-RAY DIFFRACTION 2.70Å
e6ryrW4[W:497-511,W:539-600] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,Chromodomain-helicase-DNA-binding protein 4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6ryuW4[W:497-511,W:539-600] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,CHD4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6ryuV4[V:497-511,V:539-600] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,CHD4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6ryrW3[W:601-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,Chromodomain-helicase-DNA-binding protein 4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6ryuW3[W:601-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,CHD4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6ryuV3[V:601-678] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromodomain-helicase-DNA-binding protein 4,CHD4,Chromodomain-helicase-DNA-binding protein 4 ; ELECTRON MICROSCOPY
e6g0lM1[M:175-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromo domain-containing protein 1 ; ELECTRON MICROSCOPY
e6g0lM3[M:262-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromo domain-containing protein 1 ; ELECTRON MICROSCOPY
e7vz2A1[A:107-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromo domain-containing protein LHP1 ; ligands: UNX ; X-RAY DIFFRACTION 1.70Å
e7vywA1[A:105-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromo domain-containing protein LHP1 ; ligands: SO4 ; X-RAY DIFFRACTION 1.60Å
e7vrfA1[A:19-79] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Oxpecker ; X-RAY DIFFRACTION 1.70Å
e7vrfB1[B:19-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Oxpecker ; X-RAY DIFFRACTION 1.70Å
e5ejwA1[A:-11-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Chromobox protein homolog 7 ; ligands: 5PZ ; X-RAY DIFFRACTION 2.60Å
e3svmA1[A:56-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-PHASE PHOSPHOPROTEIN 8 ; X-RAY DIFFRACTION 2.31Å
e3lweA1[A:0-60] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.050Å
e3lweB1[B:0-58] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.050Å
e3qo2B1[B:57-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.49Å
e3qo2C1[C:56-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; ligands: EDO ; X-RAY DIFFRACTION 2.49Å
e3qo2D1[D:56-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; ligands: EDO ; X-RAY DIFFRACTION 2.49Å
e3r93A1[A:57-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.050Å
e3r93B1[B:57-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.050Å
e3r93C1[C:57-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; ligands: UNX ; X-RAY DIFFRACTION 2.050Å
e3r93D1[D:56-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.050Å
e3qo2A1[A:-1-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.49Å
e6v2sA1[A:56-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; ligands: UNX ; X-RAY DIFFRACTION 1.57Å
e6v2sB1[B:57-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; ligands: UNX ; X-RAY DIFFRACTION 1.57Å
e7m5uA1[A:57-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M-phase phosphoprotein 8 ; X-RAY DIFFRACTION 2.02Å
e2b2yA1[A:108-187]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.350Å
e2b2yA2[A:13-107]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Chromodomain-helicase-DNA-binding protein 1 ; X-RAY DIFFRACTION 2.350Å
e3mwyW1[W:175-261]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Chromo domain-containing protein 1 ; X-RAY DIFFRACTION 3.7Å
e3mwyW2[W:262-347]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Chromo domain-containing protein 1 ; X-RAY DIFFRACTION 3.7Å
e1g6zA1[A:-2-69]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CLR4 PROTEIN ; SOLUTION NMR
e1guwA1[A:8-80]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CHROMOBOX PROTEIN HOMOLOG 1 ; SOLUTION NMR
e2dntA1[A:8-73]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
Chromodomain protein, Y chromosome-like, isoform b ; SOLUTION NMR

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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