8E12
 
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8E0L
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8EMC
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8EMH
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8EIL
 | | C-Terminal Domain of BrxL from Acinetobacter BREX type I phage restriction system | | Descriptor: | MALONIC ACID, Protease Lon-related BREX system protein BrxL, SUCCINIC ACID | | Authors: | Doyle, L.A, Stoddard, B.L, Kaiser, B. | | Deposit date: | 2022-09-15 | | Release date: | 2023-02-22 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (2.25 Å) | | Cite: | Structure, substrate binding and activity of a unique AAA+ protein: the BrxL phage restriction factor.
Nucleic Acids Res., 51, 2023
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8EM1
 | | Type IIS Restriction Endonuclease PaqCI, DNA Unbound | | Descriptor: | 1,2-ETHANEDIOL, PaqCI, DNA Unbound | | Authors: | Kennedy, M.A, Stoddard, B.L. | | Deposit date: | 2022-09-26 | | Release date: | 2023-03-22 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Structures, activity and mechanism of the Type IIS restriction endonuclease PaqCI.
Nucleic Acids Res., 51, 2023
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8EPX
 | | Type IIS Restriction Endonuclease PaqCI, DNA bound | | Descriptor: | CALCIUM ION, DNA 1a, DNA 1b, ... | | Authors: | Kennedy, M.A, Stoddard, B.L. | | Deposit date: | 2022-10-06 | | Release date: | 2023-03-22 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (3.15 Å) | | Cite: | Structures, activity and mechanism of the Type IIS restriction endonuclease PaqCI.
Nucleic Acids Res., 51, 2023
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8ETQ
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7JTA
 | | Crystal structure of a putative nuclease with anti-Cas9 activity from an uncultured Clostridia bacterium | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, NITRATE ION, NTF2-like nuclease/anti-CRISPR | | Authors: | Werther, R, Forsberg, K.J, Stoddard, B.L. | | Deposit date: | 2020-08-17 | | Release date: | 2021-09-22 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.801 Å) | | Cite: | The novel anti-CRISPR AcrIIA22 relieves DNA torsion in target plasmids and impairs SpyCas9 activity.
Plos Biol., 19, 2021
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5IEN
 | | Structure of CDL2.2, a computationally designed Vitamin-D3 binder | | Descriptor: | 3-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANOL, CDL2.2, GLYCEROL | | Authors: | Stoddard, B.L, Doyle, L.A. | | Deposit date: | 2016-02-25 | | Release date: | 2017-03-01 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.089 Å) | | Cite: | Unintended specificity of an engineered ligand-binding protein facilitated by unpredicted plasticity of the protein fold.
Protein Eng.Des.Sel., 31, 2018
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5IEO
 | | Structure of CDL2.3a, a computationally designed Vitamin-D3 binder | | Descriptor: | 1,2-ETHANEDIOL, 3-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANOL, CDL2.3a | | Authors: | Stoddard, B.L, Doyle, L.A. | | Deposit date: | 2016-02-25 | | Release date: | 2017-03-01 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.851 Å) | | Cite: | Unintended specificity of an engineered ligand-binding protein facilitated by unpredicted plasticity of the protein fold.
Protein Eng.Des.Sel., 31, 2018
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5IEP
 | | Structure of CDL2.3b, a computationally designed Vitamin-D3 binder | | Descriptor: | 3-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANOL, CDL2.3b | | Authors: | Stoddard, B.L, Doyle, L.A. | | Deposit date: | 2016-02-25 | | Release date: | 2017-03-01 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.893 Å) | | Cite: | Unintended specificity of an engineered ligand-binding protein facilitated by unpredicted plasticity of the protein fold.
Protein Eng.Des.Sel., 31, 2018
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9NV3
 | | Hybrid model of a complex of BREX proteins BrxB and PglZ from Salmonella typhimurium | | Descriptor: | DUF1788 domain-containing protein, PglZ domain-containing protein | | Authors: | Doyle, L.A, Stoddard, B, Blower, T.R, Kaiser, B. | | Deposit date: | 2025-03-20 | | Release date: | 2025-07-02 | | Last modified: | 2025-07-09 | | Method: | ELECTRON MICROSCOPY (4.45 Å) | | Cite: | PglZ from Type I BREX phage defence systems is a metal-dependent nuclease that forms a sub-complex with BrxB.
Nucleic Acids Res., 53, 2025
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5CW9
 | | Crystal structure of De novo designed ferredoxin-ferredoxin domain insertion protein | | Descriptor: | De novo designed ferredoxin-ferredoxin domain insertion protein | | Authors: | DiMaio, F, King, I.C, Gleixner, J, Doyle, L, Stoddard, B, Baker, D. | | Deposit date: | 2015-07-28 | | Release date: | 2015-09-23 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (3.108 Å) | | Cite: | Precise assembly of complex beta sheet topologies from de novo designed building blocks.
Elife, 4, 2015
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1A74
 | | I-PPOL HOMING ENDONUCLEASE/DNA COMPLEX | | Descriptor: | DNA (5'-D(*TP*TP*GP*AP*CP*TP*CP*TP*CP*TP*TP*AP*AP*GP*AP*GP*A P*GP*TP*CP*A)-3'), INTRON-ENCODED ENDONUCLEASE I-PPOI, ZINC ION | | Authors: | Jurica, B.L, Flick, K.E, Monnat Junior, R.J, Stoddard, M.S. | | Deposit date: | 1998-03-19 | | Release date: | 1998-06-22 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | DNA binding and cleavage by the nuclear intron-encoded homing endonuclease I-PpoI.
Nature, 394, 1998
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6GCH
 | | STRUCTURE OF CHYMOTRYPSIN-*TRIFLUOROMETHYL KETONE INHIBITOR COMPLEXES. COMPARISON OF SLOWLY AND RAPIDLY EQUILIBRATING INHIBITORS | | Descriptor: | 1,1,1-TRIFLUORO-3-ACETAMIDO-4-PHENYL BUTAN-2-ONE(N-ACETYL-L-PHENYLALANYL TRIFLUOROMETHYL KETONE), GAMMA-CHYMOTRYPSIN A | | Authors: | Brady, K, Wei, A, Ringe, D, Abeles, R.H. | | Deposit date: | 1990-04-06 | | Release date: | 1990-10-15 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Structure of chymotrypsin-trifluoromethyl ketone inhibitor complexes: comparison of slowly and rapidly equilibrating inhibitors.
Biochemistry, 29, 1990
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2VGC
 | | GAMMA-CHYMOTRYPSIN D-PARA-CHLORO-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX | | Descriptor: | D-1-(4-CHLOROPHENYL)-2-(ACETAMIDO)ETHANE BORONIC ACID, GAMMA CHYMOTRYPSIN, SULFATE ION | | Authors: | Stoll, V.S, Eger, B.T, Hynes, R.C, Martichonok, V, Jones, J.B, Pai, E.F. | | Deposit date: | 1997-05-01 | | Release date: | 1997-11-12 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes.
Biochemistry, 37, 1998
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2I3Q
 | | Q44V mutant of Homing Endonuclease I-CreI | | Descriptor: | 5'-D(*CP*GP*AP*AP*AP*CP*TP*GP*AP*CP*TP*CP*AP*CP*GP*TP*CP*GP*TP*TP*TP*TP*GP*C)-3', 5'-D(*GP*CP*AP*AP*AP*AP*CP*GP*AP*CP*GP*TP*GP*AP*GP*TP*CP*AP*GP*TP*TP*TP*CP*G)-3', CALCIUM ION, ... | | Authors: | Rosen, L, Sussman, D. | | Deposit date: | 2006-08-20 | | Release date: | 2006-09-05 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Homing endonuclease I-CreI derivatives with novel DNA target specificities.
Nucleic Acids Res., 34, 2006
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4VGC
 | | GAMMA-CHYMOTRYPSIN D-NAPHTHYL-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX | | Descriptor: | D-1-NAPHTHYL-2-ACETAMIDO-ETHANE BORONIC ACID, GAMMA CHYMOTRYPSIN, SULFATE ION | | Authors: | Stoll, V.S, Eger, B.T, Hynes, R.C, Martichonok, V, Jones, J.B, Pai, E.F. | | Deposit date: | 1997-05-01 | | Release date: | 1997-11-12 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes.
Biochemistry, 37, 1998
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4OYD
 | | Crystal structure of a computationally designed inhibitor of an Epstein-Barr viral Bcl-2 protein | | Descriptor: | 1,2-ETHANEDIOL, Apoptosis regulator BHRF1, Computationally designed Inhibitor | | Authors: | Shen, B, Procko, E, Baker, D, Stoddard, B. | | Deposit date: | 2014-02-11 | | Release date: | 2014-07-09 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | A computationally designed inhibitor of an epstein-barr viral bcl-2 protein induces apoptosis in infected cells.
Cell, 157, 2014
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3UVF
 | | Expanding LAGALIDADG endonuclease scaffold diversity by rapidly surveying evolutionary sequence space | | Descriptor: | CALCIUM ION, DI(HYDROXYETHYL)ETHER, Intron-encoded DNA endonuclease I-HjeMI, ... | | Authors: | Jacoby, K, Metzger, M, Shen, B, Jarjour, J, Stoddard, B, Scharenberg, A. | | Deposit date: | 2011-11-29 | | Release date: | 2012-02-29 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Expanding LAGLIDADG endonuclease scaffold diversity by rapidly surveying evolutionary sequence space.
Nucleic Acids Res., 40, 2012
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5E63
 | | K262A mutant of I-SmaMI | | Descriptor: | 2-(2-METHOXYETHOXY)ETHANOL, 2-METHOXYETHANOL, DNA (5'-D(P*CP*AP*GP*GP*TP*GP*TP*AP*CP*G)-3'), ... | | Authors: | Shen, B, Stoddard, B. | | Deposit date: | 2015-10-09 | | Release date: | 2016-01-13 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | The Structural Basis of Asymmetry in DNA Binding and Cleavage as Exhibited by the I-SmaMI LAGLIDADG Meganuclease.
J.Mol.Biol., 428, 2016
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5E67
 | | K103A/K262A double mutant of I-SmaMI | | Descriptor: | 2-(2-METHOXYETHOXY)ETHANOL, 2-METHOXYETHANOL, DNA bottom strand, ... | | Authors: | Shen, B.W, Stoddard, B. | | Deposit date: | 2015-10-09 | | Release date: | 2016-01-13 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | The Structural Basis of Asymmetry in DNA Binding and Cleavage as Exhibited by the I-SmaMI LAGLIDADG Meganuclease.
J.Mol.Biol., 428, 2016
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3G77
 | | Bacterial cytosine deaminase V152A/F316C/D317G mutant | | Descriptor: | Cytosine deaminase, FE (III) ION | | Authors: | Stoddard, B, Zhao, L. | | Deposit date: | 2009-02-09 | | Release date: | 2009-09-22 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Bacterial cytosine deaminase mutants created by molecular engineering show improved 5-fluorocytosine-mediated cell killing in vitro and in vivo.
Cancer Res., 69, 2009
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1VGC
 | | GAMMA-CHYMOTRYPSIN L-PARA-CHLORO-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX | | Descriptor: | GAMMA CHYMOTRYPSIN, L-1-(4-CHLOROPHENYL)-2-(ACETAMIDO)ETHANE BORONIC ACID, SULFATE ION | | Authors: | Stoll, V.S, Eger, B.T, Hynes, R.C, Martichonok, V, Jones, J.B, Pai, E.F. | | Deposit date: | 1997-05-01 | | Release date: | 1997-11-12 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes.
Biochemistry, 37, 1998
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