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




Representatives:
e4u48A7[A:746-846]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Putative inner membrane lipoprotein ; X-RAY DIFFRACTION 2.950Å
e4a5wA5[A:460-565]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
COMPLEMENT C5 ; X-RAY DIFFRACTION 3.50Å
e3pvmB5[B:437-543]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
COBRA VENOM FACTOR ; X-RAY DIFFRACTION 4.3Å
e3frpA6[A:522-623] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COBRA VENOM FACTOR ALPHA CHAIN ; X-RAY DIFFRACTION 2.61Å
e3hrzA6[A:522-624] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; X-RAY DIFFRACTION 2.200Å
e3hs0A6[A:522-624] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; X-RAY DIFFRACTION 3.000Å
e3hs0F6[F:522-624] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; X-RAY DIFFRACTION 3.000Å
e2iceA7[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.1Å
e2a74A1[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT COMPONENT C3C ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e2i07A1[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B ; X-RAY DIFFRACTION 4.0Å
e2iceD1[D:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.1Å
e2icfA1[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.1Å
e2qkiA6[A:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; ligands: BR,GOL ; X-RAY DIFFRACTION 2.4Å
e3l3oA2[A:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 3.400Å
e5fo7A4[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 2.80Å
e5fo8A4[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; X-RAY DIFFRACTION 2.40Å
e5fo9A5[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.30Å
e5fo9D2[D:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.30Å
e5foaA4[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.20Å
e5foaC5[C:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.20Å
e5fobA1[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: GOL,IOD ; X-RAY DIFFRACTION 2.50Å
e2a73A5[A:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; X-RAY DIFFRACTION 3.3Å
e2a74D5[D:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT COMPONENT C3C ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e2hr0A2[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH
e2qkiD4[D:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; ligands: BR,GOL,K ; X-RAY DIFFRACTION 2.4Å
e3l3oD5[D:537-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 3.400Å
e3l5nA4[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 6.000Å
e3nmsA1[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 4.100Å
e3ohxA6[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 3.500Å
e3ohxD4[D:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 3.500Å
e2winA6[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.90Å
e2winC2[C:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.90Å
e2winE3[E:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.90Å
e2winG2[G:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.90Å
e3g6jA3[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.1Å
e3g6jC2[C:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 3.1Å
e3t4aA4[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e3t4aD5[D:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e2wiiA3[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 2.70Å
e2xwbA3[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B BETA CHAIN ; X-RAY DIFFRACTION 3.49Å
e2xwbC4[C:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B BETA CHAIN ; X-RAY DIFFRACTION 3.49Å
e2xwjA3[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjC6[C:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjE6[E:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjG2[G:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e5m6wA2[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH
e5m6wG5[G:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH
e5o32A6[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: CA ; X-RAY DIFFRACTION 4.2Å
e5o32E6[E:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: CA ; X-RAY DIFFRACTION 4.2Å
e5o35A5[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 4.2Å
e6ehgA2[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 2.65Å
e6rurA6[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 6Å
e6ru5A3[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 3.7Å
e6rurG1[G:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 6Å
e6ruvA1[A:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 6.15Å
e6ruvG4[G:537-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 6.15Å
e6yo6A1[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
iC3b1 alpha chain ; X-RAY DIFFRACTION 6.000Å
e7bagA4[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: PEG ; X-RAY DIFFRACTION 2.000Å
e7qivA6[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 2.8Å
e7tv9A1[A:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e7akkB6[B:537-645] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Complement C3 beta chain ; ligands: GOL ; X-RAY DIFFRACTION 3.34Å
e7akkC3[C:537-645] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Complement C3 beta chain ; ligands: GOL,K ; X-RAY DIFFRACTION 3.34Å
e7nozA5[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.9Å
e8cemF2[F:557-662] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.0Å
e7zgjA5[A:559-665] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; ELECTRON MICROSCOPY
e7zgkA6[A:559-664] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; ELECTRON MICROSCOPY
e8cemE2[E:557-663] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.0Å
e8enuG6[G:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; ELECTRON MICROSCOPY
e8eokG6[G:537-642] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e3cu7B16[B:460-565,B:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CD ; X-RAY DIFFRACTION 3.1Å
e3klsA8[A:460-565,A:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CD ; X-RAY DIFFRACTION 3.6Å
e3klsB16[B:460-565,B:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CD ; X-RAY DIFFRACTION 3.6Å
e3km9A16[A:460-565,A:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CD ; X-RAY DIFFRACTION 4.2Å
e3km9B16[B:460-565,B:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CD ; X-RAY DIFFRACTION 4.2Å
e3prxA8[A:460-565,A:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C5 ; X-RAY DIFFRACTION 4.3Å
e3prxC8[C:460-565,C:612-673] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C5 ; X-RAY DIFFRACTION 4.3Å
e5hccB2[B:567-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CYS,EDO ; X-RAY DIFFRACTION 2.59Å
e5hcdB1[B:567-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 2.98Å
e5hceB4[B:567-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 3.12Å
e6i2xC4[C:567-675] Image Pymol Jmol Links: PDB, SCOP, CATH
e6rqjB2[B:567-670] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ELECTRON MICROSCOPY
e7ad6B2[B:567-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CYS,TRS ; X-RAY DIFFRACTION 2.75Å
e7ad7B5[B:567-671] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CYS,EOH ; X-RAY DIFFRACTION 2.3Å
e7op0B2[B:567-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 beta chain ; X-RAY DIFFRACTION 2.57Å
e8ayhC5[C:567-675] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 beta chain ; ELECTRON MICROSCOPY
e8cmlE6[E:567-670] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e5jpmA1[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4-A ; X-RAY DIFFRACTION 3.75Å
e5jpmD6[D:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4-A ; X-RAY DIFFRACTION 3.75Å
e5jpnA1[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4-A ; X-RAY DIFFRACTION 3.6Å
e5jtwA4[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4-A ; X-RAY DIFFRACTION 3.500Å
e5jtwD6[D:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4-A ; X-RAY DIFFRACTION 3.500Å
e2iceA1[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA ; X-RAY DIFFRACTION 3.1Å
e3frpA1[A:414-522] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COBRA VENOM FACTOR ALPHA CHAIN ; ligands: CA ; X-RAY DIFFRACTION 2.61Å
e3hrzA1[A:414-522] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; ligands: MG ; X-RAY DIFFRACTION 2.200Å
e3hs0A1[A:414-522] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e3hs0F1[F:414-522] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cobra venom factor ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e3prxD6[D:437-543] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COBRA VENOM FACTOR ; X-RAY DIFFRACTION 4.3Å
e3pvmD6[D:437-543] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COBRA VENOM FACTOR ; X-RAY DIFFRACTION 4.3Å
e2b39B21[B:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH
e3prxB12[B:437-543] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COBRA VENOM FACTOR ; X-RAY DIFFRACTION 4.3Å
e2a74A3[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT COMPONENT C3C ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e2i07A3[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B ; ligands: NAG ; X-RAY DIFFRACTION 4.0Å
e2iceD3[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA ; X-RAY DIFFRACTION 3.1Å
e2icfA3[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA,NAG ; X-RAY DIFFRACTION 4.1Å
e2b39A6[A:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH
e4u4jA5[A:746-846] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative inner membrane lipoprotein ; X-RAY DIFFRACTION 2.900Å
e4u59A5[A:746-846] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
alpha-2-macroglobulin ; X-RAY DIFFRACTION 3.090Å
e4xamA5[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH
e4xamB4[B:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH
e4ziqA8[A:753-854] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Uncharacterized lipoprotein YfhM ; X-RAY DIFFRACTION 2.55Å
e2qkiA5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; ligands: BR,GOL,K ; X-RAY DIFFRACTION 2.4Å
e3l3oA5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å
e5i5kB8[B:460-565] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 4.2Å
e5i5kA8[A:460-565] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 4.2Å
e5hccB5[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 2.59Å
e5hcdB6[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 2.98Å
e5hceB6[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 3.12Å
e5fo7A5[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NAG ; X-RAY DIFFRACTION 2.80Å
e5fo8A3[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; ligands: EDO ; X-RAY DIFFRACTION 2.40Å
e5fo9A6[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å
e5fo9D6[D:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å
e5foaA3[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.20Å
e5foaC3[C:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.20Å
e5fobA3[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CL,IOD,NA ; X-RAY DIFFRACTION 2.50Å
e2a73A6[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; X-RAY DIFFRACTION 3.3Å
e2a74D6[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT COMPONENT C3C ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e2hr0A6[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH
e2qkiD6[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 ; ligands: BR,GOL,K ; X-RAY DIFFRACTION 2.4Å
e3pvmA14[A:460-565] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C5 ; X-RAY DIFFRACTION 4.3Å
e3pvmC19[C:460-565] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C5 ; X-RAY DIFFRACTION 4.3Å
e3l3oD6[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å
e3l5nA5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 6.000Å
e3nmsA6[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 4.100Å
e3ohxA5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 3.500Å
e3ohxD2[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 3.500Å
e2winA2[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NDG ; X-RAY DIFFRACTION 3.90Å
e2winC1[C:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NDG ; X-RAY DIFFRACTION 3.90Å
e2winE6[E:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NDG ; X-RAY DIFFRACTION 3.90Å
e2winG4[G:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: NDG ; X-RAY DIFFRACTION 3.90Å
e3g6jA2[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA ; X-RAY DIFFRACTION 3.1Å
e3g6jC6[C:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA ; X-RAY DIFFRACTION 3.1Å
e3t4aA5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e3t4aD2[D:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e2wiiA2[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; ligands: CA,GOL,NAG ; X-RAY DIFFRACTION 2.70Å
e2xwbA6[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B BETA CHAIN ; ligands: MG,NAG ; X-RAY DIFFRACTION 3.49Å
e2xwbC3[C:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3B BETA CHAIN ; ligands: MG,NAG ; X-RAY DIFFRACTION 3.49Å
e2xwjA1[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjC4[C:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjE3[E:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e2xwjG5[G:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COMPLEMENT C3 BETA CHAIN ; X-RAY DIFFRACTION 4.0Å
e4e0sA7[A:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: NA ; X-RAY DIFFRACTION 4.200Å
e4d94A8[A:417-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Thioester-containing protein 1 ; X-RAY DIFFRACTION 2.700Å
e4lnvA8[A:418-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Thioester-containing protein I ; ligands: NAG ; X-RAY DIFFRACTION 3.700Å
e4lnvC8[C:418-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Thioester-containing protein I ; ligands: NAG ; X-RAY DIFFRACTION 3.700Å
e2pn5A8[A:396-494] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Thioester-containing protein I ; X-RAY DIFFRACTION 2.698Å
e4lnvB8[B:429-514] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Thioester-containing protein I ; X-RAY DIFFRACTION 3.700Å
e4fxgA3[A:466-568] Image Pymol Jmol Links: PDB, SCOP, CATH
e4fxgD4[D:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH
e4fxkA4[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH
e5m6wA4[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH
e5m6wG3[G:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH
e5o32A5[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: CA,NAG ; X-RAY DIFFRACTION 4.2Å
e5o32E3[E:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: CA,NAG ; X-RAY DIFFRACTION 4.2Å
e5o35A3[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; X-RAY DIFFRACTION 4.2Å
e6ehgA4[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 2.65Å
e6i2xB4[B:436-544] Image Pymol Jmol Links: PDB, SCOP, CATH
; ligands: MG
e6i2xC3[C:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH
e6rurA1[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 6Å
e6ru5A4[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 3.7Å
e6rurG2[G:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 6Å
e6ruvA3[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 6.15Å
e6ruvG5[G:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: NAG ; X-RAY DIFFRACTION 6.15Å
e6rqjB4[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ELECTRON MICROSCOPY
e7ad6B6[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; X-RAY DIFFRACTION 2.75Å
e6yo6A4[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
iC3b1 alpha chain ; X-RAY DIFFRACTION 6.000Å
e7ad7B6[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ligands: CYS,MHA ; X-RAY DIFFRACTION 2.3Å
e6ysqA6[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4 beta chain ; X-RAY DIFFRACTION 3.3Å
e6ysqB3[B:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4 beta chain ; X-RAY DIFFRACTION 3.3Å
e6tavA7[A:452-563] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin ; X-RAY DIFFRACTION 4.20Å
e6tavC6[C:451-563] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin ; X-RAY DIFFRACTION 4.20Å
e7nycA8[A:440-547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ELECTRON MICROSCOPY
e7nydA8[A:440-547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 ; ELECTRON MICROSCOPY
e7s62A7[A:448-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-macroglobulin ; ligands: NAG ; ELECTRON MICROSCOPY
e7s63B7[B:448-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-Macroglobulin ; ligands: NAG ; ELECTRON MICROSCOPY
e7s63D7[D:448-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-Macroglobulin ; ligands: NAG ; ELECTRON MICROSCOPY
e7s64A7[A:449-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-macroglobulin ; ELECTRON MICROSCOPY
e7s64B7[B:448-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-macroglobulin ; ELECTRON MICROSCOPY
e7s64D7[D:448-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha 2-macroglobulin ; ELECTRON MICROSCOPY
e7bagA2[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 ; ligands: CA,PEG ; X-RAY DIFFRACTION 2.000Å
e7b2mA1[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4 beta chain ; ELECTRON MICROSCOPY
e7qivA2[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; ligands: NAG ; X-RAY DIFFRACTION 2.8Å
e7tv9A5[A:425-537] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.400Å
e7b2pA2[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4 beta chain ; ELECTRON MICROSCOPY
e7b2qA6[A:467-568] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C4 beta chain ; ELECTRON MICROSCOPY
e7op0B3[B:458-567] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C5 beta chain ; X-RAY DIFFRACTION 2.57Å
e7q60A7[A:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin-like protein 1 ; ELECTRON MICROSCOPY
e7q61A6[A:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin-like protein 1 ; ligands: NAG ; ELECTRON MICROSCOPY
e7q62A6[A:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin-like protein 1 ; ligands: NAG ; ELECTRON MICROSCOPY
e7akkB5[B:425-537] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.34Å
e7akkC4[C:425-537] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Complement C3 beta chain ; ligands: GOL,NAG ; X-RAY DIFFRACTION 3.34Å
e7nozA2[A:447-559] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Complement C3 beta chain ; X-RAY DIFFRACTION 3.9Å
e7q1yA5[A:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin-like protein 1 ; X-RAY DIFFRACTION 4.276Å
e7q1yB4[B:445-557] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Alpha-2-macroglobulin-like protein 1 ; X-RAY DIFFRACTION 4.276Å
Next
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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