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PDBsum entry 1opc

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Transcription regulation PDB id
1opc

 

 

 

 

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Contents
Protein chain
99 a.a. *
Waters ×85
* Residue conservation analysis
PDB id:
1opc
Name: Transcription regulation
Title: Ompr DNA-binding domain, escherichia coli
Structure: Ompr. Chain: a. Fragment: c-terminal DNA-binding domain. Synonym: omprc. Engineered: yes
Source: Escherichia coli. Organism_taxid: 562. Expressed in: escherichia coli. Expression_system_taxid: 562.
Resolution:
1.95Å     R-factor:   0.228     R-free:   0.269
Authors: E.Martinez-Hackert,A.M.Stock
Key ref:
E.Martínez-Hackert and A.M.Stock (1997). The DNA-binding domain of OmpR: crystal structures of a winged helix transcription factor. Structure, 5, 109-124. PubMed id: 9016718 DOI: 10.1016/S0969-2126(97)00170-6
Date:
16-Dec-96     Release date:   01-Apr-97    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
P0AA16  (OMPR_ECOLI) -  DNA-binding dual transcriptional regulator OmpR from Escherichia coli (strain K12)
Seq:
Struc:
239 a.a.
99 a.a.
Key:    PfamA domain  Secondary structure  CATH domain

 Enzyme reactions 
   Enzyme class: E.C.?
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]

 

 
DOI no: 10.1016/S0969-2126(97)00170-6 Structure 5:109-124 (1997)
PubMed id: 9016718  
 
 
The DNA-binding domain of OmpR: crystal structures of a winged helix transcription factor.
E.Martínez-Hackert, A.M.Stock.
 
  ABSTRACT  
 
BACKGROUND: The differential expression of the ompF and ompC genes is regulated by two proteins that belong to the two component family of signal transduction proteins: the histidine kinase, EnvZ, and the response regulator, OmpR. OmpR belongs to a subfamily of at least 50 response regulators with homologous C-terminal DNA-binding domains of approximately 98 amino acids. Sequence homology with DNA-binding proteins of known structure cannot be detected, and the lack of structural information has prevented understanding of many of this familys functional properties. RESULTS: We have determined the crystal structure of the Escherichia coli OmpR C-terminal domain at 1.95 A resolution. The structure consists of three alpha helices packed against two antiparallel beta sheets. Two helices, alpha2 and alpha3, and the ten residue loop connecting them constitute a variation of the helix-turn-helix (HTH) motif. Helix alpha3 and the loop connecting the two C-terminal beta strands, beta6 and beta7, are probable DNA-recognition sites. Previous mutagenesis studies indicate that the large loop connecting helices alpha2 and alpha3 is the site of interaction with the alpha subunit of RNA polymerase. CONCLUSIONS: OmpRc belongs to the family of 'winged helix-turn-helix' DNA-binding proteins. This relationship, and the results from numerous published mutagenesis studies, have helped us to interpret the functions of most of the structural elements present in this protein domain. The structure of OmpRc could be useful in helping to define the positioning of the alpha subunit of RNA polymerase in relation to transcriptional activators that are bound to DNA.
 
  Selected figure(s)  
 
Figure 6.
Figure 6. Three views of the electrostatic surface potential of OmpRc. Red indicates a negatively charged region, blue indicates a positively charged region and white indicates a neutral or hydrophobic region. (a) The molecule is oriented similarly to Figure 5b, displaying the positive electrostatic surface potential of the DNA-binding surface. (b) The molecule is oriented similarly to Figure 5a. The a loop surface, that may interact with the a subunit of RNA polymerase, is rather neutral or hydrophobic. (c) This remarkable, negatively charged face of the protein lies at the C-terminal end of the recognition helix. (Figure produced using GRASP [73].)
 
  The above figure is reprinted by permission from Cell Press: Structure (1997, 5, 109-124) copyright 1997.  
  Figure was selected by an automated process.  

Literature references that cite this PDB file's key reference

  PubMed id Reference
19028891 J.M.Davidsen, and C.A.Townsend (2009).
Identification and characterization of NocR as a positive transcriptional regulator of the beta-lactam nocardicin A in Nocardia uniformis.
  J Bacteriol, 191, 1066-1077.  
19482930 R.Belas, E.Horikawa, S.Aizawa, and R.Suvanasuthi (2009).
Genetic determinants of Silicibacter sp. TM1040 motility.
  J Bacteriol, 191, 4502-4512.  
19117956 S.S.Gupta, B.N.Borin, T.L.Cover, and A.M.Krezel (2009).
Structural analysis of the DNA-binding domain of the Helicobacter pylori response regulator ArsR.
  J Biol Chem, 284, 6536-6545.  
19371748 T.R.Mack, R.Gao, and A.M.Stock (2009).
Probing the roles of the two different dimers mediated by the receiver domain of the response regulator PhoB.
  J Mol Biol, 389, 349-364.  
18065544 A.Sinha, S.Gupta, S.Bhutani, A.Pathak, and D.Sarkar (2008).
PhoP-PhoP interaction at adjacent PhoP binding sites is influenced by protein phosphorylation.
  J Bacteriol, 190, 1317-1328.  
18678673 F.Pouillot, C.Fayolle, and E.Carniel (2008).
Characterization of chromosomal regions conserved in Yersinia pseudotuberculosis and lost by Yersinia pestis.
  Infect Immun, 76, 4592-4599.  
18353359 G.Wisedchaisri, M.Wu, D.R.Sherman, and W.G.Hol (2008).
Crystal structures of the response regulator DosR from Mycobacterium tuberculosis suggest a helix rearrangement mechanism for phosphorylation activation.
  J Mol Biol, 378, 227-242.
PDB codes: 3c3w 3c57
  19052358 R.Schnell, D.Agren, and G.Schneider (2008).
1.9 A structure of the signal receiver domain of the putative response regulator NarL from Mycobacterium tuberculosis.
  Acta Crystallogr Sect F Struct Biol Cryst Commun, 64, 1096-1100.
PDB code: 3eul
18556785 Y.Chen, E.Wendt-Pienkowski, and B.Shen (2008).
Identification and utility of FdmR1 as a Streptomyces antibiotic regulatory protein activator for fredericamycin production in Streptomyces griseus ATCC 49344 and heterologous hosts.
  J Bacteriol, 190, 5587-5596.  
17786405 Y.Rebets, L.Dutko, B.Ostash, A.Luzhetskyy, O.Kulachkovskyy, T.Yamaguchi, T.Nakamura, A.Bechthold, and V.Fedorenko (2008).
Function of lanI in regulation of landomycin A biosynthesis in Streptomyces cyanogenus S136 and cross-complementation studies with Streptomyces antibiotic regulatory proteins encoding genes.
  Arch Microbiol, 189, 111-120.  
17242520 C.H.Trinh, Y.Liu, S.E.Phillips, and M.K.Phillips-Jones (2007).
Structure of the response regulator VicR DNA-binding domain.
  Acta Crystallogr D Biol Crystallogr, 63, 266-269.
PDB code: 2hwv
17268612 C.Hertweck, A.Luzhetskyy, Y.Rebets, and A.Bechthold (2007).
Type II polyketide synthases: gaining a deeper insight into enzymatic teamwork.
  Nat Prod Rep, 24, 162-190.  
17586650 E.A.Hussa, T.M.O'Shea, C.L.Darnell, E.G.Ruby, and K.L.Visick (2007).
Two-component response regulators of Vibrio fischeri: identification, mutagenesis, and characterization.
  J Bacteriol, 189, 5825-5838.  
17376070 G.Churchward (2007).
The two faces of Janus: virulence gene regulation by CovR/S in group A streptococci.
  Mol Microbiol, 64, 34-41.  
17875629 J.S.Matson, J.H.Withey, and V.J.DiRita (2007).
Regulatory networks controlling Vibrio cholerae virulence gene expression.
  Infect Immun, 75, 5542-5549.  
17337587 M.Feldman, and G.Segal (2007).
A pair of highly conserved two-component systems participates in the regulation of the hypervariable FIR proteins in different Legionella species.
  J Bacteriol, 189, 3382-3391.  
17477873 M.R.Duplessis, K.G.Karol, E.T.Adman, L.Y.Choi, M.A.Jacobs, and R.A.Cattolico (2007).
Chloroplast His-to-Asp signal transduction: a potential mechanism for plastid gene regulation in Heterosigma akashiwo (Raphidophyceae).
  BMC Evol Biol, 7, 70.  
18052041 S.Wang, J.Engohang-Ndong, and I.Smith (2007).
Structure of the DNA-binding domain of the response regulator PhoP from Mycobacterium tuberculosis.
  Biochemistry, 46, 14751-14761.
PDB code: 2pmu
17337580 T.Higashi, Y.Iwasaki, Y.Ohnishi, and S.Horinouchi (2007).
A-factor and phosphate depletion signals are transmitted to the grixazone biosynthesis genes via the pathway-specific transcriptional activator GriR.
  J Bacteriol, 189, 3515-3524.  
17302824 T.Zusman, G.Aloni, E.Halperin, H.Kotzer, E.Degtyar, M.Feldman, and G.Segal (2007).
The response regulator PmrA is a major regulator of the icm/dot type IV secretion system in Legionella pneumophila and Coxiella burnetii.
  Mol Microbiol, 63, 1508-1523.  
17378425 Y.Xiao, L.Lan, C.Yin, X.Deng, D.Baker, J.M.Zhou, and X.Tang (2007).
Two-component sensor RhpS promotes induction of Pseudomonas syringae type III secretion system by repressing negative regulator RhpR.
  Mol Plant Microbe Interact, 20, 223-234.  
16879413 G.Nissan, S.Manulis-Sasson, D.Weinthal, H.Mor, G.Sessa, and I.Barash (2006).
The type III effectors HsvG and HsvB of gall-forming Pantoea agglomerans determine host specificity and function as transcriptional activators.
  Mol Microbiol, 61, 1118-1131.  
16760311 M.K.Ashby, and J.Houmard (2006).
Cyanobacterial two-component proteins: structure, diversity, distribution, and evolution.
  Microbiol Mol Biol Rev, 70, 472-509.  
16740923 M.Y.Galperin (2006).
Structural classification of bacterial response regulators: diversity of output domains and domain combinations.
  J Bacteriol, 188, 4169-4182.  
16618701 T.Yoshida, L.Qin, L.A.Egger, and M.Inouye (2006).
Transcription regulation of ompF and ompC by a single transcription factor, OmpR.
  J Biol Chem, 281, 17114-17123.  
16254052 J.S.Matson, and V.J.DiRita (2005).
Degradation of the membrane-localized virulence activator TcpP by the YaeL protease in Vibrio cholerae.
  Proc Natl Acad Sci U S A, 102, 16403-16408.  
16204490 M.A.Azcarate-Peril, O.McAuliffe, E.Altermann, S.Lick, W.M.Russell, and T.R.Klaenhammer (2005).
Microarray analysis of a two-component regulatory system involved in acid resistance and proteolytic activity in Lactobacillus acidophilus.
  Appl Environ Microbiol, 71, 5794-5804.  
15060046 A.A.Pragman, J.M.Yarwood, T.J.Tripp, and P.M.Schlievert (2004).
Characterization of virulence factor regulation by SrrAB, a two-component system in Staphylococcus aureus.
  J Bacteriol, 186, 2430-2438.  
15175316 E.B.Goh, D.F.Siino, and M.M.Igo (2004).
The Escherichia coli tppB (ydgR) gene represents a new class of OmpR-regulated genes.
  J Bacteriol, 186, 4019-4024.  
15028686 H.Geng, S.Nakano, and M.M.Nakano (2004).
Transcriptional activation by Bacillus subtilis ResD: tandem binding to target elements and phosphorylation-dependent and -independent transcriptional activation.
  J Bacteriol, 186, 2028-2037.  
15576780 N.A.Beck, E.S.Krukonis, and V.J.DiRita (2004).
TcpH influences virulence gene expression in Vibrio cholerae by inhibiting degradation of the transcription activator TcpP.
  J Bacteriol, 186, 8309-8316.  
14973033 Y.Chen, W.R.Abdel-Fattah, and F.M.Hulett (2004).
Residues required for Bacillus subtilis PhoP DNA binding or RNA polymerase interaction: alanine scanning of PhoP effector domain transactivation loop and alpha helix 3.
  J Bacteriol, 186, 1493-1502.  
12486062 C.Birck, Y.Chen, F.M.Hulett, and J.P.Samama (2003).
The crystal structure of the phosphorylation domain in PhoP reveals a functional tandem association mediated by an asymmetric interface.
  J Bacteriol, 185, 254-261.
PDB code: 1mvo
12486069 D.Walthers, V.K.Tran, and L.J.Kenney (2003).
Interdomain linkers of homologous response regulators determine their mechanism of action.
  J Bacteriol, 185, 317-324.  
12887901 E.S.Krukonis, and V.J.DiRita (2003).
DNA binding and ToxR responsiveness by the wing domain of TcpP, an activator of virulence gene expression in Vibrio cholerae.
  Mol Cell, 12, 157-165.  
12603748 J.A.Crawford, E.S.Krukonis, and V.J.DiRita (2003).
Membrane localization of the ToxR winged-helix domain is required for TcpP-mediated virulence gene activation in Vibrio cholerae.
  Mol Microbiol, 47, 1459-1473.  
12702718 M.E.Castelli, A.Cauerhff, M.Amongero, F.C.Soncini, and E.G.Vescovi (2003).
The H box-harboring domain is key to the function of the Salmonella enterica PhoQ Mg2+-sensor in the recognition of its partner PhoP.
  J Biol Chem, 278, 23579-23585.  
12791129 R.P.Novick (2003).
Autoinduction and signal transduction in the regulation of staphylococcal virulence.
  Mol Microbiol, 48, 1429-1449.  
12837783 S.C.Sinha, J.Krahn, B.S.Shin, D.R.Tomchick, H.Zalkin, and J.L.Smith (2003).
The purine repressor of Bacillus subtilis: a novel combination of domains adapted for transcription regulation.
  J Bacteriol, 185, 4087-4098.
PDB codes: 1o57 1p41
12837793 V.L.Robinson, T.Wu, and A.M.Stock (2003).
Structural analysis of the domain interface in DrrB, a response regulator of the OmpR/PhoB subfamily.
  J Bacteriol, 185, 4186-4194.
PDB code: 1p2f
14690440 V.Molle, L.Kremer, C.Girard-Blanc, G.S.Besra, A.J.Cozzone, and J.F.Prost (2003).
An FHA phosphoprotein recognition domain mediates protein EmbR phosphorylation by PknH, a Ser/Thr protein kinase from Mycobacterium tuberculosis.
  Biochemistry, 42, 15300-15309.  
12753201 X.Feng, R.Oropeza, and L.J.Kenney (2003).
Dual regulation by phospho-OmpR of ssrA/B gene expression in Salmonella pathogenicity island 2.
  Mol Microbiol, 48, 1131-1143.  
12486063 Y.Chen, C.Birck, J.P.Samama, and F.M.Hulett (2003).
Residue R113 is essential for PhoP dimerization and function: a residue buried in the asymmetric PhoP dimer interface determined in the PhoPN three-dimensional crystal structure.
  J Bacteriol, 185, 262-273.  
12713459 Y.Le Breton, G.Boël, A.Benachour, H.Prévost, Y.Auffray, and A.Rincé (2003).
Molecular characterization of Enterococcus faecalis two-component signal transduction pathways related to environmental stresses.
  Environ Microbiol, 5, 329-337.  
12757959 Y.Rebets, B.Ostash, A.Luzhetskyy, D.Hoffmeister, A.Brana, C.Mendez, J.A.Salas, A.Bechthold, and V.Fedorenko (2003).
Production of landomycins in Streptomyces globisporus 1912 and S cyanogenus S136 is regulated by genes encoding putative transcriptional activators.
  FEMS Microbiol Lett, 222, 149-153.  
12396235 C.R.Rodriguez, L.M.Schechter, and C.A.Lee (2002).
Detection and characterization of the S. typhimurium HilA protein.
  BMC Microbiol, 2, 31.  
12176382 H.Zhao, T.Msadek, J.Zapf, Madhusudan, J.A.Hoch, and K.I.Varughese (2002).
DNA complexed structure of the key transcription factor initiating development in sporulating bacteria.
  Structure, 10, 1041-1050.
PDB code: 1lq1
12077136 K.Mattison, R.Oropeza, and L.J.Kenney (2002).
The linker region plays an important role in the interdomain communication of the response regulator OmpR.
  J Biol Chem, 277, 32714-32721.  
12351839 K.Shindoh, K.Maenaka, T.Akiba, H.Okamura, Y.Nishimura, K.Makino, and Y.Shirakihara (2002).
Crystallization and preliminary X-ray diffraction studies on the DNA-binding domain of the transcriptional activator protein PhoB from Escherichia coli.
  Acta Crystallogr D Biol Crystallogr, 58, 1862-1864.  
12123454 K.Yamamoto, H.Ogasawara, N.Fujita, R.Utsumi, and A.Ishihama (2002).
Novel mode of transcription regulation of divergently overlapping promoters by PhoP, the regulator of two-component system sensing external magnesium availability.
  Mol Microbiol, 45, 423-438.  
11918804 M.J.Federle, and J.R.Scott (2002).
Identification of binding sites for the group A streptococcal global regulator CovR.
  Mol Microbiol, 43, 1161-1172.  
11985721 N.Bate, G.Stratigopoulos, and E.Cundliffe (2002).
Differential roles of two SARP-encoding regulatory genes during tylosin biosynthesis.
  Mol Microbiol, 43, 449-458.  
11972782 P.J.Sheldon, S.B.Busarow, and C.R.Hutchinson (2002).
Mapping the DNA-binding domain and target sequences of the Streptomyces peucetius daunorubicin biosynthesis regulatory protein, DnrI.
  Mol Microbiol, 44, 449-460.  
11973328 S.J.Cai, and M.Inouye (2002).
EnvZ-OmpR interaction and osmoregulation in Escherichia coli.
  J Biol Chem, 277, 24155-24161.  
12453214 T.Yoshida, L.Qin, and M.Inouye (2002).
Formation of the stoichiometric complex of EnvZ, a histidine kinase, with its response regulator, OmpR.
  Mol Microbiol, 46, 1273-1282.  
11489844 J.A.Hoch, and K.I.Varughese (2001).
Keeping signals straight in phosphorelay signal transduction.
  J Bacteriol, 183, 4941-4949.  
11158569 L.Qin, T.Yoshida, and M.Inouye (2001).
The critical role of DNA in the equilibrium between OmpR and phosphorylated OmpR mediated by EnvZ in Escherichia coli.
  Proc Natl Acad Sci U S A, 98, 908-913.  
11325950 M.J.Barnett, D.Y.Hung, A.Reisenauer, L.Shapiro, and S.R.Long (2001).
A homolog of the CtrA cell cycle regulator is present and essential in Sinorhizobium meliloti.
  J Bacteriol, 183, 3204-3210.  
11244058 M.P.Allen, K.B.Zumbrennen, and W.R.McCleary (2001).
Genetic evidence that the alpha5 helix of the receiver domain of PhoB is involved in interdomain interactions.
  J Bacteriol, 183, 2204-2211.  
11286862 S.Seredick, and G.B.Spiegelman (2001).
Lessons and questions from the structure of the Spo0A activation domain.
  Trends Microbiol, 9, 148-151.  
10966457 A.M.Stock, V.L.Robinson, and P.N.Goudreau (2000).
Two-component signal transduction.
  Annu Rev Biochem, 69, 183-215.  
10735847 D.Beier, and R.Frank (2000).
Molecular characterization of two-component systems of Helicobacter pylori.
  J Bacteriol, 182, 2068-2076.  
11029691 E.S.Krukonis, R.R.Yu, and V.J.Dirita (2000).
The Vibrio cholerae ToxR/TcpP/ToxT virulence cascade: distinct roles for two membrane-localized transcriptional activators on a single promoter.
  Mol Microbiol, 38, 67-84.  
10672179 J.P.Throup, K.K.Koretke, A.P.Bryant, K.A.Ingraham, A.F.Chalker, Y.Ge, A.Marra, N.G.Wallis, J.R.Brown, D.J.Holmes, M.Rosenberg, and M.K.Burnham (2000).
A genomic analysis of two-component signal transduction in Streptococcus pneumoniae.
  Mol Microbiol, 35, 566-576.  
10716934 M.Okuda, Y.Watanabe, H.Okamura, F.Hanaoka, Y.Ohkuma, and Y.Nishimura (2000).
Structure of the central core domain of TFIIEbeta with a novel double-stranded DNA-binding surface.
  EMBO J, 19, 1346-1356.
PDB codes: 1d8j 1d8k
11069648 R.J.Lewis, S.Krzywda, J.A.Brannigan, J.P.Turkenburg, K.Muchová, E.J.Dodson, I.Barák, and A.J.Wilkinson (2000).
The trans-activation domain of the sporulation response regulator Spo0A revealed by X-ray crystallography.
  Mol Microbiol, 38, 198-212.
PDB code: 1fc3
11029453 R.Kawachi, U.Wangchaisoonthorn, T.Nihira, and Y.Yamada (2000).
Identification by gene deletion analysis of a regulator, VmsR, that controls virginiamycin biosynthesis in Streptomyces virginiae.
  J Bacteriol, 182, 6259-6263.  
10972837 X.Zhang, and F.M.Hulett (2000).
ResD signal transduction regulator of aerobic respiration in Bacillus subtilis: ctaA promoter regulation.
  Mol Microbiol, 37, 1208-1219.  
10203840 A.L.Perraud, V.Weiss, and R.Gross (1999).
Signalling pathways in two-component phosphorelay systems.
  Trends Microbiol, 7, 115-120.  
  10094672 C.Fabret, V.A.Feher, and J.A.Hoch (1999).
Two-component signal transduction in Bacillus subtilis: how one organism sees its world.
  J Bacteriol, 181, 1975-1983.  
10075916 D.R.Hall, D.G.Gourley, G.A.Leonard, E.M.Duke, L.A.Anderson, D.H.Boxer, and W.N.Hunter (1999).
The high-resolution crystal structure of the molybdate-dependent transcriptional regulator (ModE) from Escherichia coli: a novel combination of domain folds.
  EMBO J, 18, 1435-1446.
PDB codes: 1b9m 1b9n
10500244 I.Yamamoto, K.Takamatsu, Y.Ohshima, T.Ujiiye, and T.Satoh (1999).
Site-directed mutagenesis of the response regulator DmsR for the dmsCBA operon expression in Rhodobacter sphaeroides f. sp. Denitrificans: An essential residue of proline-130 in the linker.
  Biochim Biophys Acta, 1447, 57-63.  
  9973337 R.Novak, A.Cauwels, E.Charpentier, and E.Tuomanen (1999).
Identification of a Streptococcus pneumoniae gene locus encoding proteins of an ABC phosphate transporter and a two-component regulatory system.
  J Bacteriol, 181, 1126-1133.  
10518529 S.K.Ames, N.Frankema, and L.J.Kenney (1999).
C-terminal DNA binding stimulates N-terminal phosphorylation of the outer membrane protein regulator OmpR from Escherichia coli.
  Proc Natl Acad Sci U S A, 96, 11792-11797.  
  9829949 C.Fabret, and J.A.Hoch (1998).
A two-component signal transduction system essential for growth of Bacillus subtilis: implications for anti-infective therapy.
  J Bacteriol, 180, 6375-6383.  
  9721317 J.D.Pfau, and R.K.Taylor (1998).
Mutations in toxR and toxS that separate transcriptional activation from DNA binding at the cholera toxin gene promoter.
  J Bacteriol, 180, 4724-4733.  
10096019 L.C.Bergstrom, L.Qin, S.L.Harlocker, L.A.Egger, and M.Inouye (1998).
Hierarchical and co-operative binding of OmpR to a fusion construct containing the ompC and ompF upstream regulatory sequences of Escherichia coli.
  Genes Cells, 3, 777-788.  
10089538 M.Sol, F.Gomis-Rüth, A.Guasch, L.Serrano, and M.Coll (1998).
Overexpression, purification, crystallization and preliminary X-ray diffraction analysis of the receiver domain of PhoB.
  Acta Crystallogr D Biol Crystallogr, 54, 1460-1463.  
10066483 P.N.Goudreau, and A.M.Stock (1998).
Signal transduction in bacteria: molecular mechanisms of stimulus-response coupling.
  Curr Opin Microbiol, 1, 160-169.  
9724820 R.Schwarz, and A.R.Grossman (1998).
A response regulator of cyanobacteria integrates diverse environmental signals and is critical for survival under extreme conditions.
  Proc Natl Acad Sci U S A, 95, 11008-11013.  
9345628 K.Moffat, and Z.Ren (1997).
Synchrotron radiation applications to macromolecular crystallography.
  Curr Opin Struct Biol, 7, 689-696.  
9334747 M.Sunnerhagen, M.Nilges, G.Otting, and J.Carey (1997).
Solution structure of the DNA-binding domain and model for the complex of multifunctional hexameric arginine repressor with DNA.
  Nat Struct Biol, 4, 819-826.
PDB code: 1aoy
The most recent references are shown first. Citation data come partly from CiteXplore and partly from an automated harvesting procedure. Note that this is likely to be only a partial list as not all journals are covered by either method. However, we are continually building up the citation data so more and more references will be included with time. Where a reference describes a PDB structure, the PDB codes are shown on the right.

 

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