Imperial College London

ProfessorNaomiChayen

Faculty of MedicineDepartment of Metabolism, Digestion and Reproduction

Prof Res Fellow - Professor of Biomedical Sciences
 
 
 
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Contact

 

+44 (0)20 7594 3240n.chayen Website

 
 
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Location

 

Office no. E304Burlington DanesHammersmith Campus

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Summary

 

Publications

Publication Type
Year
to

183 results found

Boggon TJ, Chayen NE, Snell EH, Dong J, Lautenschlager P, Potthast L, Siddons DP, Stojanoff V, Gordon E, Thompson AW, Zagalsky PF, Bi RC, Helliwell JRet al., 1998, Protein crystal movements and fluid flows during microgravity growth, Meeting on Marangoni and Interfacial Phenomena in Materials Processing, Publisher: ROYAL SOC, Pages: 1045-1061, ISSN: 1364-503X

Conference paper

Chayen NE, 1998, Comparative studies of protein crystallization by vapour-diffusion and microbatch techniques, ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY, Vol: 54, Pages: 8-15, ISSN: 2059-7983

Journal article

Chayen NE, 1997, The role of oil in macromolecular crystallization, STRUCTURE, Vol: 5, Pages: 1269-1274, ISSN: 0969-2126

Journal article

RiesKautt M, Broutin I, Ducruix A, Shepard W, Kahn R, Chayen N, Blow D, Paal K, Littke W, Lorber B, TheobaldDietrich A, Giege Ret al., 1997, Crystallogenesis studies in microgravity with the Advanced Protein Crystallization Facility on SpaceHab-01, JOURNAL OF CRYSTAL GROWTH, Vol: 181, Pages: 79-96, ISSN: 0022-0248

Journal article

Snell EH, Cassetta A, Helliwell JR, Boggon TJ, Chayen NE, Weckert E, Hölzer K, Schroer K, Gordon EJ, Zagalsky PFet al., 1997, Partial improvement of crystal quality for microgravity-grown apocrustacyanin C1., Acta Crystallogr D Biol Crystallogr, Vol: 53, Pages: 231-239, ISSN: 0907-4449

The protein apocrustacyanin C(1) has been crystallized by vapour diffusion in both microgravity (the NASA space shuttle USML-2 mission) and on the ground. Rocking width measurements were made on the crystals at the ESRF Swiss-Norwegian beamline using a high-resolution psi-circle diffractometer from the University of Karlsruhe. Crystal perfection was then evaluated, from comparison of the reflection rocking curves from a total of five crystals (three grown in microgravity and two earth controls), and by plotting mosaicity versus reflection signal/noise. Comparison was then made with previous measurements of almost 'perfect' lysozyme crystals grown aboard IML-2 and Spacehab-I and reported by Snell et al. [Snell, Weisgerber, Helliwell, Weckert, Hölzer & Schroer (1995). Acta Cryst. D51, 1099-1102]. Overall, the best diffraction-quality apocrustacyanin C(1) crystal was microgravity grown, but one earth-grown crystal was as good as one of the other microgravity-grown crystals. The remaining two crystals (one from microgravity and one from earth) were poorer than the other three and of fairly equal quality. Crystal movement during growth in microgravity, resulting from the use of vapour-diffusion geometry, may be the cause of not realising the 'theoretical' limit of perfect protein crystal quality.

Journal article

Snell EH, Cassetta A, Helliwell JR, Boggon TJ, Chayen NE, Weckert E, Holzer K, Schroer K, Gordon EJ, Zagalsky PFet al., 1997, Partial improvement of crystal quality for microgravity-grown apocrustacyanin C-1, ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY, Vol: 53, Pages: 231-239, ISSN: 0907-4449

Journal article

Chayen NE, 1997, A novel technique to control the rate of vapour diffusion, giving larger protein crystals, JOURNAL OF APPLIED CRYSTALLOGRAPHY, Vol: 30, Pages: 198-202, ISSN: 0021-8898

Journal article

Chayen NE, Conti E, Vieille C, Zeikus JGet al., 1997, Crystallization and initial X-ray analysis of xylose isomerase from Thermotoga neapolitana, ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY, Vol: 53, Pages: 229-230, ISSN: 2059-7983

Journal article

Chayen NE, Snell EH, Helliwell JR, Zagalsky PFet al., 1997, CCD video observation of microgravity crystallization: Apocrustacyanin C-1, JOURNAL OF CRYSTAL GROWTH, Vol: 171, Pages: 219-225, ISSN: 0022-0248

Journal article

Chayen NE, 1996, A novel technique for containerless protein crystallization, PROTEIN ENGINEERING, Vol: 9, Pages: 927-929, ISSN: 0269-2139

Journal article

Chayen NE, Boggon TJ, Cassetta A, Deacon A, Gleichmann T, Habash J, Harrop SJ, Helliwell JR, Nieh YP, Peterson MR, Raftery J, Snell EH, Hadener A, Niemann AC, Siddons DP, Stojanoff V, Thompson AW, Ursby T, Wulff Met al., 1996, Trends and challenges in experimental macromolecular crystallography, QUARTERLY REVIEWS OF BIOPHYSICS, Vol: 29, Pages: 227-278, ISSN: 0033-5835

Journal article

Chayen NE, Gordon EJ, Phillips SE, Saridakis EE, Zagalsky PFet al., 1996, Crystallization and initial X-ray analysis of beta-crustacyanin, the dimer of apoproteins A2 and C1, each with a bound astaxanthin molecule., Acta Crystallogr D Biol Crystallogr, Vol: 52, Pages: 409-410, ISSN: 0907-4449

Crystals of beta-crustacyanin, a carotenoid-binding protein from lobster carapace, have been grown under oil from solutions containing sodium potassium phosphate as precipitant. They grow slowly over a period of months to reach maximal dimensions of 0.5 x 0.1 x 0.1 mm, and belong to space group P622 with cell dimensions: a = b = 124.39, c = 188.86 A and gamma = 120 degrees. The crystals diffract to beyond 3 A but are very radiation sensitive, limiting the resolution of usable data. The unit-cell volume suggests that there are two beta-crustacyanin molecules per asymmetric unit.

Journal article

Chayen NE, Gordon EJ, Phillips SEV, Saridakis EEG, Zagalsky PFet al., 1996, Crystallization and initial X-ray analysis of beta-crustacyanin, the dimer of apoproteins A(2) and C-1, each with a bound astaxanthin molecule, ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY, Vol: 52, Pages: 409-410, ISSN: 2059-7983

Journal article

Chayen NE, Gordon EJ, Zagalsky PJ, 1996, Crystallization of apocrustacyanin C-1 on the international microgravity laboratory (IML-2) mission, ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY, Vol: 52, Pages: 156-159, ISSN: 0907-4449

Journal article

Snell EH, Helliwell JR, Cassetta A, Boggon TJ, Chayen NE, Weckert E, Holzer K, Schroer K, Stojanoff V, Siddons DPet al., 1996, PROTEIN CRYSTAL PERFECTION AND THE CRYSTAL GROWTH PROCESS, Publisher: INT UNION CRYSTALLOGRAPHY, Pages: C517-C517, ISSN: 2053-2733

Conference paper

CHAYEN NE, 1995, MICROGRAVITY PROTEIN CRYSTALLIZATION ABOARD THE PHOTON SATELLITE, JOURNAL OF CRYSTAL GROWTH, Vol: 153, Pages: 175-179, ISSN: 0022-0248

Journal article

BLOW DM, CHAYEN NE, LLOYD LF, SARIDAKIS Eet al., 1994, CONTROL OF NUCLEATION OF PROTEIN CRYSTALS, PROTEIN SCIENCE, Vol: 3, Pages: 1638-1643, ISSN: 0961-8368

Journal article

CHAYEN NE, STEWART PDS, BALDOCK P, 1994, NEW DEVELOPMENTS OF THE IMPAX SMALL-VOLUME AUTOMATED CRYSTALLIZATION SYSTEM, ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY, Vol: 50, Pages: 456-458, ISSN: 0907-4449

Journal article

CHAYEN NE, ROWLERSON AM, SQUIRE JM, 1993, FISH MUSCLE STRUCTURE - FIBER TYPES IN FLATFISH AND MULLET FIN MUSCLES USING HISTOCHEMISTRY AND ANTIMYOSIN ANTIBODY LABELING, JOURNAL OF MUSCLE RESEARCH AND CELL MOTILITY, Vol: 14, Pages: 533-542, ISSN: 0142-4319

Journal article

CHAYEN NE, RADCLIFFE JW, BLOW DM, 1993, CONTROL OF NUCLEATION IN THE CRYSTALLIZATION OF LYSOZYME, PROTEIN SCIENCE, Vol: 2, Pages: 113-118, ISSN: 0961-8368

Journal article

Chayen NE, Shaw stuart PD, Blow DM, 1992, Microbatch Crystallization Under Oil - A New Technique Allowing Many Small-Volume Crystallization Trials, Journal of Crystal Growth, Vol: 122, Pages: 176-180, ISSN: 0022-0248

Journal article

WILSON SA, CHAYEN NE, HEMMINGS AM, DREW RE, PEARL LHet al., 1991, CRYSTALLIZATION OF AND PRELIMINARY-X-RAY DATA FOR THE NEGATIVE REGULATOR (AMIC) OF THE AMIDASE OPERON OF PSEUDOMONAS-AERUGINOSA, JOURNAL OF MOLECULAR BIOLOGY, Vol: 222, Pages: 869-871, ISSN: 0022-2836

Journal article

LLOYD LF, BRICK P, LOU MZ, CHAYEN NE, BLOW DMet al., 1991, MANY CRYSTAL FORMS OF HUMAN-IMMUNODEFICIENCY-VIRUS REVERSE-TRANSCRIPTASE, JOURNAL OF MOLECULAR BIOLOGY, Vol: 217, Pages: 19-22, ISSN: 0022-2836

Journal article

CHAYEN NE, STEWART PDS, MAEDER DL, BLOW DMet al., 1990, AN AUTOMATED-SYSTEM FOR MICROBATCH PROTEIN CRYSTALLIZATION AND SCREENING, JOURNAL OF APPLIED CRYSTALLOGRAPHY, Vol: 23, Pages: 297-302, ISSN: 0021-8898

Journal article

CHAYEN NE, LLOYD LF, COLLYER CA, BLOW DMet al., 1989, TRIGONAL CRYSTALS OF GLUCOSE-ISOMERASE REQUIRE THYMOL FOR THEIR GROWTH AND STABILITY, JOURNAL OF CRYSTAL GROWTH, Vol: 97, Pages: 367-374, ISSN: 0022-0248

Journal article

CHAYEN N, ROWLERSON A, FREUNDLICH A, SQUIRE JMet al., 1989, FIBER TYPING ON 3 FLATFISH FIN MUSCLES USING HISTOCHEMISTRY AND IMMUNOCYTOCHEMISTRY, JOURNAL OF MUSCLE RESEARCH AND CELL MOTILITY, Vol: 10, Pages: 172-172, ISSN: 0142-4319

Journal article

CHAYEN N, AKINS J, CAMPBELLSMITH S, BLOW DMet al., 1988, SOLUBILITY OF GLUCOSE-ISOMERASE IN AMMONIUM-SULFATE SOLUTIONS, JOURNAL OF CRYSTAL GROWTH, Vol: 90, Pages: 112-116, ISSN: 0022-0248

Journal article

CHAYEN N, FREUNDLICH A, SQUIRE JM, 1987, COMPARATIVE HISTOCHEMISTRY OF A FLATFISH FIN MUSCLE AND OF OTHER VERTEBRATE MUSCLES USED FOR ULTRASTRUCTURAL STUDIES, JOURNAL OF MUSCLE RESEARCH AND CELL MOTILITY, Vol: 8, Pages: 358-371, ISSN: 0142-4319

Journal article

CHAYEN N, FREUNDLICH A, SQUIRE JM, 1987, HISTOCHEMICAL FIBER TYPING OF PLAICE FIN MUSCLE, JOURNAL OF MUSCLE RESEARCH AND CELL MOTILITY, Vol: 8, Pages: 84-84, ISSN: 0142-4319

Journal article

Chayen NE, Crystal nucleation, WO02/088435

Patent

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