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Class: All alpha proteins (14657)
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Fold: Ribbon-helix-helix (65)
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Superfamily: Ribbon-helix-helix (65)
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Family: Arc/Mnt-like phage repressors (12)
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Protein domain: Arc repressor (11)
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Salmonella bacteriophage P22 [TaxId: 10754] (11)
1ARQA:; B:RELAXATION MATRIX REFINEMENT OF THE SOLUTION STRUCTURE OF THE ARC REPRESSOR
1ARRA:; B:RELAXATION MATRIX REFINEMENT OF THE SOLUTION STRUCTURE OF THE ARC REPRESSOR
1B28A:; B:ARC REPRESSOR MYL MUTANT FROM SALMONELLA BACTERIOPHAGE P22
1BAZA:; B:; C:; D:ARC REPRESSOR MUTANT PHE10VAL
1BDTA:; B:; C:; D:WILD TYPE GENE-REGULATING PROTEIN ARC/DNA COMPLEX
1BDVA:; B:; C:; D:ARC FV10 COCRYSTAL
1MYKA:; B:CRYSTAL STRUCTURE, FOLDING, AND OPERATOR BINDING OF THE HYPERSTABLE ARC REPRESSOR MUTANT PL8
1MYLA:; E:; F:; B:; C:; D:SUBSTITUTING HYDROPHOBIC RESIDUES FOR A BURIED SALT BRIDGE ENHANCES PROTEIN STABILITY BUT DOES NOT REDUCE CONFORMATIONAL SPECIFICITY
1NLAA:; B:SOLUTION STRUCTURE OF SWITCH ARC, A MUTANT WITH 3(10) HELICES REPLACING A WILD-TYPE BETA-RIBBON
1PARA:; B:; C:; D:DNA RECOGNITION BY BETA-SHEETS IN THE ARC REPRESSOR-OPERATOR CRYSTAL STRUCTURE
1QTGA:; B:AVERAGED NMR MODEL OF SWITCH ARC, A DOUBLE MUTANT OF ARC REPRESSOR
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Protein domain: Mnt repressor (1)
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Salmonella bacteriophage P22 [TaxId: 10754] (1)
1MNTA:; B:SOLUTION STRUCTURE OF DIMERIC MNT REPRESSOR (1-76)
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Family: automated matches (13)
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Protein domain: automated matches (13)
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Escherichia coli [TaxId: 562] (1)
1U9PA:72-107; A:7-59PERMUTED SINGLE-CHAIN ARC
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Helicobacter pylori [TaxId: 210] (1)
3PHTA:29-60CRYSTAL STRUCTURE OF H74A MUTANT OF HELICOBACTER PYLORI NIKR
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Helicobacter pylori [TaxId: 85962] (9)
2CA9A:8-60; B:9-60APO-NIKR FROM HELICOBACTER PYLORI IN CLOSED TRANS-CONFORMATION
2CADA:9-60; B:9-57NIKR FROM HELICOBACTER PYLORI IN CLOSED TRANS-CONFORMATION AND NICKEL BOUND TO 2F, 2X AND 2I SITES.
2CAJA:9-60; B:9-60NIKR FROM HELICOBACTER PYLORI IN CLOSED TRANS-CONFORMATION AND NICKEL BOUND TO 4 INTERMEDIARY SITES
2WVBA:8-60; B:9-60STRUCTURAL AND MECHANISTIC INSIGHTS INTO HELICOBACTER PYLORI NIKR FUNCTION
2WVCA:8-60; B:9-60STRUCTURAL AND MECHANISTIC INSIGHTS INTO HELICOBACTER PYLORI NIKR FUNCTION
2WVDA:6-60; B:9-60; C:8-60; D:8-60STRUCTURAL AND MECHANISTIC INSIGHTS INTO HELICOBACTER PYLORI NIKR FUNCTION
2WVEA:9-60; B:9-60STRUCTURAL AND MECHANISTIC INSIGHTS INTO HELICOBACTER PYLORI NIKR FUNCTION
2WVFA:9-60; B:9-60STRUCTURAL AND MECHANISTIC INSIGHTS INTO HELICOBACTER PYLORI NIKR FUNCTION
3LGHA:10-59; B:9-60CRYSTAL STRUCTURE OF NIKR FROM HELICOBACTER PYLORI WITH VARIABLE NI SITE COORDINATION
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Pyrococcus horikoshii [TaxId: 70601] (2)
2BJ1B:1-50NIKR IN OPEN CONFORMATION AND NICKEL BOUND TO HIGH-AFFINITY SITES
2BJ9A:1-50; B:1-50NIKR WITH BOUND NICKEL AND PHOSPHATE
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Family: CopG-like (13)
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Protein domain: Nickel responsive regulator NikR, N-terminal domain (8)
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Escherichia coli [TaxId: 562] (4)
1Q5VA:1-48; B:1-48; C:1-48; D:1-48APO-NIKR
2HZAA:1-48; B:1-43NICKEL-BOUND FULL-LENGTH ESCHERICHIA COLI NIKR
2HZVA:1-48; C:1-48; D:1-48; E:1-48; F:1-48; G:1-48; H:1-48; B:1-48NIKR-OPERATOR DNA COMPLEX
3OD2A:1-48; B:1-45E. COLI NIKR SOAKED WITH EXCESS NICKEL IONS
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Pyrococcus horikoshii [TaxId: 53953] (4)
2BJ1A:1-50NIKR IN OPEN CONFORMATION AND NICKEL BOUND TO HIGH-AFFINITY SITES
2BJ3A:1-50; B:2-50; C:1-50; D:2-50NIKR-APO
2BJ7A:1-50; B:1-50NIKR IN CLOSED CONFORMATION AND NICKEL BOUND TO HIGH-AFFINITY SITES
2BJ8A:1-50; B:1-50NIKR IN CLOSED CONFORMATION AND NICKEL BOUND TO HIGH AND LOW-AFFINITY SITES
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Protein domain: Plasmid partition protein ParG (1)
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Salmonella enterica [TaxId: 28901] (1)
1P94A:; B:NMR STRUCTURE OF PARG SYMMETRIC DIMER
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Protein domain: Transcriptional repressor CopG (3)
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Streptococcus agalactiae [TaxId: 1311] (3)
1B01A:; B:TRANSCRIPTIONAL REPRESSOR COPG/DNA COMPLEX
1EA4A:; G:; H:; J:; K:; L:; B:; D:; E:; F:TRANSCRIPTIONAL REPRESSOR COPG/22BP DSDNA COMPLEX
2CPGA:; B:; C:TRANSCRIPTIONAL REPRESSOR COPG
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Protein domain: Uncharacterized protein HP0222 (1)
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Helicobacter pylori [TaxId: 210] (1)
1X93A:31-73; B:NMR STRUCTURE OF HELICOBACTER PYLORI HP0222
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Family: Met repressor, MetJ (MetR) (10)
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Protein domain: Met repressor, MetJ (MetR) (10)
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Escherichia coli [TaxId: 562] (10)
1CMAA:; B:MET REPRESSOR/DNA COMPLEX + S-ADENOSYL-METHIONINE
1CMBA:; B:THREE DIMENSIONAL CRYSTAL STRUCTURES OF ESCHERICHIA COLI MET REPRESSOR WITH AND WITHOUT COREPRESSOR
1CMCA:; B:THREE DIMENSIONAL CRYSTAL STRUCTURES OF E. COLI MET REPRESSOR WITH AND WITHOUT COREPRESSOR
1MJ2A:; B:; C:; D:METHIONINE REPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL METHIONINE) COMPLEXED TO A CONSENSUS OPERATOR SEQUENCE
1MJKA:; B:METHIONINE REPRESSOR MUTANT APOREPRESSOR (Q44K) FROM ESCHERICHIA COLI
1MJLA:; B:METHIONINE REPRESSOR MUTANT (Q44K) COMPLEX WITH THE COREPRESSOR SAM (S-ADENOSYL METHIONINE) FROM ESCHERICHIA COLI
1MJMA:; B:METHIONINE APOREPRESSOR MUTANT (Q44K) COMPLEXED TO HALF OF THE CONSENSUS OPERATOR SEQUENCE
1MJOA:; C:; D:; B:METHIONINE HOLOREPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL METHIONINE) COMPLEXED TO THE MINIMAL MET CONSENSUS OPERATOR WITH THE CENTRAL TA STEP MUTATED TO AT
1MJPA:; B:METHIONINE APOREPRESSOR MUTANT (Q44K) COMPLEXED TO THE MINIMAL MET CONSENSUS OPERATOR
1MJQA:; B:; C:; D:; G:; H:; I:; J:METHIONINE REPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL METHIONINE) COMPLEXED TO AN ALTERED MET CONSENSUS OPERATOR SEQUENCE
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Family: MJ0366-like (1)
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Protein domain: Uncharacterized protein MJ0366 (1)
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Methanococcus jannaschii [TaxId: 2190] (1)
2EFVA:6-87CRYSTAL STRUCTURE OF A HYPOTHETICAL PROTEIN(MJ0366) FROM METHANOCALDOCOCCUS JANNASCHII
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Family: NE0241-like (1)
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Protein domain: Hypothetical protein NE0241 (1)
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Nitrosomonas europaea [TaxId: 915] (1)
1ZX3A:10-95STRUCTURE OF NE0241 PROTEIN OF UNKNOWN FUNCTION FROM NITROSOMONAS EUROPAEA
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Family: Omega transcriptional repressor (4)
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Protein domain: automated matches (3)
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Streptococcus pyogenes [TaxId: 1314] (3)
2BNWA:; B:; C:; D:STRUCTURAL BASIS FOR COOPERATIVE BINDING OF RIBBON-HELIX-HELIX OMEGA REPRESSOR TO DIRECT DNA HEPTAD REPEATS
2BNZA:; B:; C:; D:STRUCTURAL BASIS FOR COOPERATIVE BINDING OF RIBBON-HELIX-HELIX OMEGA REPRESSOR TO INVERTED DNA HEPTAD REPEATS
2CAXA:; C:; D:; B:STRUCTURAL BASIS FOR COOPERATIVE BINDING OF RIBBON-HELIX-HELIX REPRESSOR OMEGA TO MUTATED DIRECT DNA HEPTAD REPEATS
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Protein domain: Omega transcriptional repressor (1)
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Streptococcus pyogenes [TaxId: 1314] (1)
1IRQA:; B:CRYSTAL STRUCTURE OF OMEGA TRANSCRIPTIONAL REPRESSOR AT 1.5A RESOLUTION
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Family: PutA pre-N-terminal region-like (6)
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Protein domain: automated matches (4)
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Escherichia coli [TaxId: 562] (1)
2GPEA:; B:; C:; D:STRUCTURE OF THE DNA-BINDING DOMAIN OF E. COLI PROLINE UTILIZATION A (PUTA)
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Pseudomonas putida [TaxId: 303] (3)
2JXGA:; B:SOLUTION STRUCTURE OF THE DNA BINDING DOMAIN OF PROLINE UTILIZATION A (PUTA)
2JXHA:; B:SOLUTION STRUCTURE OF DNA BINDING DOMAIN OF PROLINE UTILIZATION A (PUTA) FOR PSUEDOMONAS PUTIDA
2JXIA:; B:SOLUTION STRUCTURE OF THE DNA-BINDING DOMAIN OF PSEUDOMONAS PUTIDA PROLINE UTILIZATION A (PUTA) BOUND TO GTTGCA DNA SEQUENCE
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Protein domain: Bifunctional protein putA (2)
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Escherichia coli [TaxId: 562] (2)
2AY0A:3-45; B:; C:; D:; E:; F:STRUCTURE OF THE LYS9MET MUTANT OF THE E. COLI PROLINE UTILIZATION A (PUTA) DNA-BINDING DOMAIN.
2RBFA:; B:STRUCTURE OF THE RIBBON-HELIX-HELIX DOMAIN OF ESCHERICHIA COLI PUTA (PUTA52) COMPLEXED WITH OPERATOR DNA (O2)
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Family: SeqA N-terminal domain-like (1)
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Protein domain: SeqA (1)
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Escherichia coli [TaxId: 562] (1)
1XRXA:1-35; B:; C:; D:CRYSTAL STRUCTURE OF A DNA-BINDING PROTEIN
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Family: Trafficking protein A-like (2)
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Protein domain: Trafficking protein A (2)
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Neisseria gonorrhoeae [TaxId: 485] (2)
2BSQE:2-70; F:2-66; G:2-69; H:2-65FITAB BOUND TO DNA
2H1OE:2-69; F:2-65; G:2-68; H:2-64STRUCTURE OF FITAB BOUND TO IR36 DNA FRAGMENT
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Family: VCA0319-like (1)
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Protein domain: Hypothetical protein VCA0482 (VCA0319) (1)
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Vibrio cholerae [TaxId: 666] (1)
1Y9BA:3-83; B:STRUCTURE OF CONSERVED PUTATIVE TRANSCRIPTIONAL FACTOR FROM VIBRIO CHOLERAE O1 BIOVAR ELTOR STR. N16961
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Family: VirC2-like (1)
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Protein domain: VirC2 (1)
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Agrobacterium tumefaciens [TaxId: 358] (1)
2RH3A:82-202CRYSTAL STRUCTURE OF PLASMID PTIC58 VIRC2