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



possibly duplication of P domains, only ferredoxin strand 2 and 3 are displaced

Representatives:
e4k0jA4[A:181-264]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jA8[A:707-795]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e1iwgA7[A:182-273]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ACRB ; X-RAY DIFFRACTION 3.5Å
e1iwgA8[A:725-812]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ACRB ; X-RAY DIFFRACTION 3.5Å
e3k07A7[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 3.52Å
e3ne5A7[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 2.898Å
e4k0eC6[C:181-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy metal cation tricomponent efflux pump ZneA(CzcA-like) ; X-RAY DIFFRACTION 3.7Å
e4k0jC6[C:181-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jD6[D:181-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jE6[E:181-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jF6[F:181-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e3k0iA5[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH
Cation efflux system protein cusA ; ligands: CU1 ; X-RAY DIFFRACTION 4.116Å
e3ksoA5[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 4.350Å
e3kssA5[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 3.88Å
e4dnrA6[A:185-269] Image Pymol Jmol Links: PDB, SCOP, CATH
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.680Å
e1oy9A8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.15Å
e1oyeA8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.48Å
e1oy6A8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.70Å
e1oy8A8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.60Å
e1oydA8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.78Å
e2v50A8[A:724-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e2gifA5[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: FLC ; X-RAY DIFFRACTION 2.9Å
e2gifC8[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: FLC ; X-RAY DIFFRACTION 2.9Å
e2hrtA8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; ligands: FLC ; X-RAY DIFFRACTION 3.0Å
e2hrtC8[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; ligands: FLC ; X-RAY DIFFRACTION 3.0Å
e2hrtD8[D:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; ligands: FLC ; X-RAY DIFFRACTION 3.0Å
e2hrtE8[E:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.0Å
e2hrtF8[F:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; ligands: FLC ; X-RAY DIFFRACTION 3.0Å
e2w1bA8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVIN RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.85Å
e3k07A8[A:719-808] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 3.52Å
e3ne5A8[A:708-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 2.898Å
e3w9iD4[D:724-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 2.700Å
e3w9jA4[A:724-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e3w9jD4[D:724-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e3w9iA8[A:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 2.700Å
e3nogA2[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.34Å
e4k7qA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.50Å
e2j8sB15[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.540Å
e3nocC15[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.7Å
e3nocB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.7Å
e2dhhC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 2.8Å
e2i6wA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.9Å
e2dr6A9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.3Å
e2drdA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.1Å
e2drdC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.1Å
e3aobA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.350Å
e3aocA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.340Å
e3aodA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.300Å
e1t9uA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: CPF ; X-RAY DIFFRACTION 3.11Å
e1t9xA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: ET ; X-RAY DIFFRACTION 3.08Å
e2dr6C9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.3Å
e2hqgA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.380Å
e3nogB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.34Å
e3aoaC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.350Å
e3aobB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.350Å
e3aobC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: RFP ; X-RAY DIFFRACTION 3.350Å
e3aocC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.340Å
e1t9tA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.23Å
e2hqfA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.380Å
e3aodB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.300Å
e3aodC9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: RFP ; X-RAY DIFFRACTION 3.300Å
e1t9vA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: RHQ ; X-RAY DIFFRACTION 3.80Å
e1t9wA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: NFN ; X-RAY DIFFRACTION 3.23Å
e2hqcA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.560Å
e2hqdA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.650Å
e1t9yA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: MC2 ; X-RAY DIFFRACTION 3.64Å
e3aoaB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.350Å
e2dhhB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 2.8Å
e2dr6B9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.3Å
e2drdB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 3.1Å
e2rddA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.5Å
e3aocB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.340Å
e3nogC10[C:726-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.34Å
e2j8sC10[C:726-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.540Å
e2v50D18[D:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e2v50E10[E:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e2v50B10[B:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e2v50C10[C:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e2v50F10[F:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MULTIDRUG RESISTANCE PROTEIN MEXB ; X-RAY DIFFRACTION 3.00Å
e3w9hA16[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.050Å
e3w9hB16[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.050Å
e3w9hC16[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.050Å
e4dx5C23[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: GOL ; X-RAY DIFFRACTION 1.900Å
e4dx7C16[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: GOL ; X-RAY DIFFRACTION 2.250Å
e4dx6C9[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.290Å
e4dx7B9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: GOL ; X-RAY DIFFRACTION 2.250Å
e4dx5B9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: GOL ; X-RAY DIFFRACTION 1.900Å
e4dx6B9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.290Å
e2hrtB9[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.0Å
e2dhhA17[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRB ; X-RAY DIFFRACTION 2.8Å
e3aoaA9[A:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 3.350Å
e3w9jF17[F:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e3w9jC17[C:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e4dx7A9[A:726-811] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.250Å
e3w9iC17[C:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 2.700Å
e3w9iB17[B:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; ligands: LMT ; X-RAY DIFFRACTION 2.700Å
e3w9jE17[E:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e3w9jB17[B:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 3.150Å
e3w9iE17[E:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 2.700Å
e4k0eC4[C:668-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy metal cation tricomponent efflux pump ZneA(CzcA-like) ; X-RAY DIFFRACTION 3.7Å
e4k0jC4[C:668-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jD4[D:668-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4k0jF4[F:668-756] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY METAL CATION TRICOMPONENT EFFLUX PUMP ZNEA(CZCA- LIKE) ; X-RAY DIFFRACTION 3.0Å
e4mt1A1[A:710-794] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Drug efflux protein ; X-RAY DIFFRACTION 3.540Å
e3k0iA4[A:719-808] Image Pymol Jmol Links: PDB, SCOP, CATH
Cation efflux system protein cusA ; X-RAY DIFFRACTION 4.116Å
e3ksoA4[A:719-808] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 4.350Å
e3kssA4[A:719-808] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein cusA ; X-RAY DIFFRACTION 3.88Å
e3w9iF4[F:725-810] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug resistance protein MexB ; X-RAY DIFFRACTION 2.700Å
e4u95B1[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.0Å
e4u95C1[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.0Å
e4u96B1[B:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e4u96C1[C:710-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e4dnrA4[A:721-809] Image Pymol Jmol Links: PDB, SCOP, CATH
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.680Å
e4dx6A2[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.290Å
e4cdiA1[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.69Å
e3nocA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.7Å
e4u8vA8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.298Å
e4u8vB2[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.298Å
e4u8vC3[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.298Å
e4u96A8[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e4c48A1[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.30Å
e4dx5A4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; ligands: GOL ; X-RAY DIFFRACTION 1.900Å
e2j8sA1[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 2.540Å
e4u95A3[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.0Å
e3d9bA5[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ACRIFLAVINE RESISTANCE PROTEIN B ; X-RAY DIFFRACTION 3.42Å
e4u8yC6[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.099Å
e4u8yB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.099Å
e4u8yA2[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.099Å
e2gifB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Acriflavine resistance protein B ; X-RAY DIFFRACTION 2.9Å
e5en5A4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5en5B4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5en5C4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5enoA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e5enoB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e5enoC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.2Å
e5enpA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.9Å
e5enpB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.9Å
e5enpC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.9Å
e5enqA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.8Å
e5enqB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.8Å
e5enqC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 1.8Å
e5enrA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5enrB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5enrC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.3Å
e5ensA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.8Å
e5ensB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.8Å
e5ensC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.8Å
e5entA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.5Å
e5entB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.5Å
e5entC4[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB,Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 2.5Å
e4dntA5[A:185-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.100Å
e4dopA5[A:185-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 4.200Å
e4dntA7[A:721-809] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.100Å
e4dopA2[A:721-809] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 4.200Å
e3t51A4[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.9Å
e3t53A2[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.370Å
e3t56A4[A:182-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.420Å
e3t51A6[A:708-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.9Å
e3t53A5[A:708-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.370Å
e3t56A1[A:708-797] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cation efflux system protein CusA ; X-RAY DIFFRACTION 3.420Å
e4ziwA2[A:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4ziwC3[C:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4ziwD2[D:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4ziwE8[E:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4ziwF3[F:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4zjqA6[A:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zjqB8[B:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zjqC3[C:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zjqD3[D:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zjqE6[E:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zjqF8[F:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.59Å
e4zitA1[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zitB3[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zitC2[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zitD7[D:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zitE2[E:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zitF1[F:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.29Å
e4zivA2[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4zivC2[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4zivD1[D:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4zivE2[E:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4ziwB4[B:720-807] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.399Å
e4zjlB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjlC3[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjlD8[D:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjlE4[E:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjlF5[F:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjoA2[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å
e4zjoB4[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å
e4zjoC5[C:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å
e4zjoD3[D:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å
e4zjoE4[E:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å
e4zivB2[B:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4zivF1[F:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.16Å
e4zjlA4[A:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.47Å
e4zjoF7[F:725-812] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Multidrug efflux pump subunit AcrB ; X-RAY DIFFRACTION 3.6Å

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