Calcium-Binding Protein Protocols Calcium-Binding Protein Protocols

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Monitoring Ca 2+ -Calmodulin Concentration 375 Fig. 5. Estimation of the concentration of expressed indicator in HEK-293 cells using confocal microscopy as described in the text. Mean gray level values for optical sections of pure indicator solutions (�) were plotted vs the indicator concentration to establish the standard curve shown. Estimated indicator concentrations for several cells based on the mean gray level values are also plotted on the standard curve (�). insensitive to bound CaM (see Fig. 3). Emitted light passed by a D525/40 filter is detected using a photomultiplier tube. 1. Cells are prepared by growing them on #1 glass cover slips to the desired density. Cover slips are then mounted in a modified Sykes-Moore chamber (Bellco Glass, Vineland, NJ) and overlaid with 1 mL of a standard HEPES buffered saline solution (HBS: 141 mM NaCl, 5 mM KCl, 1 mM MgSO 4, 10 mM glucose, 10 mM HEPES; pH 7.4). Optical sections of 8–12 cells are taken using a 15-µm scanning slit, which is optimal for the ×40 oil-immersion objective used. 2. Using identical settings for gain, offset, and laser power level, optical sections are also taken in standard indicator solutions that have been sandwiched between two #1 glass cover slips mounted in a Sykes-Moore chamber. 3. Emission intensity information digitized as 8-bit gray-level images is analyzed using standard image processing software, and the mean gray-level values for 8–12 regions of interest are determined. We currently use a freely distributed version of NIH Image available from Scion Corporation for this purpose (Frederick, MD). Background subtractions are made using a mean gray-level value calculated based on empty regions of the cover slip.
376 Persechini Fig. 6. The [Ca 2+ –CaM] i produced in a HEK-293 cell stably expressing FIP-CB SM–38 (K d = 45 nM). A transient in [Ca 2+ –CaM] i was evoked by adding thyrotropin releasing hormone (TRH) to the cell, which is derived from an HEK-293 cell line (kindly provided by M. Shupnick at the University of Virginia) stably expressing the G q/11-coupled receptor for this hormone. A typical set of data obtained using indicator standards and transfected cells is presented in Fig. 5. The intercept of the standard curve is nonzero as a result of the PMT offset used. The particular batch of cells represented in the figure expressed indicator at concentrations of 1–2 µM. After determining the expression levels in a population of stably transfected cells, those containing indicator in the desired concentration range can often be selected by eye. The expressed indicators are passively transported into the nucleus, and for unknown reasons are frequently observed to be about twice as concentrated there as in the cytoplasm. 3.3. Determining Values for (Ca 2+ –CaM) i In this subheading, we describe the procedures used to monitor indicator emission ratios in cells and to calibrate the indicator responses so that values for [Ca 2+ –CaM] i can be calculated from them. We employ a microscope photometry system to determine indicator emission ratios in cells, which has the advantages of simplicity, low cost, high sensitivity, and speed, but obviously lacks the spatial resolution available with a slower and much more costly cam-
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Methods in Molecular BiologyTM Biol
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M E T H O D S I N M O L E C U L A R
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© 2002 Humana Press Inc. 999 River
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Preface Calcium plays an important
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Contents Dedication ...............
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Contents xi 26 Enzymatic Assays to
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xiv Contents of Companion Volume 15
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xvi Contributors LESLIE D. HICKS
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20 Dean, Kelsey, and Re
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2 Yazawa
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4 Yazawa Fig. 1. Schematic represen
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6 Yazawa Fig. 2. Shop drawing for t
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8 Yazawa DuPont-NEN and the molar c
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10 Yazawa Fig. 4. Examples of the C
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12 Yazawa 5. Plot the calculated Ca
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14 Yazawa 12. Starovasnik, M. A., D
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16 Fig. 1. Molecular structures and
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18 Linse 7. 0.1 M EDTA. Dissolve 37
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20 Linse iterate the other paramete
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22 Linse tive to small alterations
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24 Linse References 1. Tsien, R. Y.
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26 Haiech and Kilhoffer to use the
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28 Haiech and Kilhoffer where γ is
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30 Haiech and Kilhoffer reporter gr
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32 Haiech and Kilhoffer tein with i
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34 Haiech and Kilhoffer Calmodulin
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36 Haiech and Kilhoffer Fig. 3. Mec
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38 Haiech and Kilhoffer We may sugg
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40 Haiech and Kilhoffer 29. Stewart
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42 Haiech and Kilhoffer 62. Becking
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44 Martin and Bayley Fig. 1. Absorp
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46 Martin and Bayley evaporation. C
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48 Martin and Bayley 4. Set the tem
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50 Martin and Bayley Fig. 2. Near-U
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52 Martin and Bayley discussed by M
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54 Martin and Bayley References 1.
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20 Dean, Kelsey, and Reik
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58 Fabian and Vogel are equipped wi
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60 Fabian and Vogel The penetration
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62 Fabian and Vogel perature, ionic
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64 Fabian and Vogel Fig. 3. IR spec
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66 Fabian and Vogel Fig. 4. Lower t
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68 Fabian and Vogel These correlati
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70 Fabian and Vogel Fig. 5. Amide I
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72 Fabian and Vogel 4. ATR-FTIR spe
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74 Fabian and Vogel 25. Georg, H.,
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76 Weljie and Vogel Fig. 1. Simplif
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78 Weljie and Vogel Fig. 3. Steady-
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80 Weljie and Vogel VIS spectrophot
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82 Weljie and Vogel 4. A series of
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84 Table 1 Advanced Fluorescence Me
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86 Weljie and Vogel References 1. L
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90 Johnson and Tikunova is removed
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92 Johnson and Tikunova function of
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94 Johnson and Tikunova Fig. 2. Rat
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96 Johnson and Tikunova Fig. 3. Rat
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98 Johnson and Tikunova Fig. 4. Ca
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100 Johnson and Tikunova cence inte
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102 Johnson and Tikunova 6. Johnson
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104 Julenius Fig. 1. Under conditio
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106 Julenius 3. Mix 50 µL of NHS s
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108 Julenius Fig. 3. A typical sens
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110 Julenius (2), is used in the Ia
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114 Lopez and Makhatadze Fig. 1. Th
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116 Lopez and Makhatadze 6. Buffers
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118 Lopez and Makhatadze The excess
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122 Lopez and Makhatadze Fig. 1. Is
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124 Lopez and Makhatadze 2.5 mL are
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126 Lopez and Makhatadze pendence o
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128 Hicks et al. equipped with a pu
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130 Hicks et al. Fig. 2. Debye plot
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132 Hicks et al. and 1.0 mg/mL for
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134 Hicks et al. Fig. 3. Sedimentat
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136 Hicks et al. 5. Hayes, D. B. (M
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138 Trewhella and Krueger This chap
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140 Trewhella and Krueger of the sc
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142 Trewhella and Krueger Table 1 C
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144 Trewhella and Krueger beam, or
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146 Trewhella and Krueger At very l
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148 Trewhella and Krueger analytica
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150 Trewhella and Krueger collapsed
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152 Trewhella and Krueger P(r) func
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154 Trewhella and Krueger Fig. 3. S
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156 Trewhella and Krueger concentra
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158 Trewhella and Krueger by a Nati
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162 Doherty-Kirby and Lajoie metal
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164 Doherty-Kirby and Lajoie two Ca
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166 Doherty-Kirby and Lajoie 7. Pep
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168 Doherty-Kirby and Lajoie Fig. 1
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170 Doherty-Kirby and Lajoie Fig. 2
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172 Doherty-Kirby and Lajoie 5. Alt
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174 Doherty-Kirby and Lajoie phosph
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176 Shaw Fig. 1. Ribbon drawing of
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178 Shaw 2.3. Other 1. Chemicals fo
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180 Shaw 3.3.3. Purification 1. Con
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182 Shaw 10. Hodges, R. S., Semchuk
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184 Brokx and Vogel Table 1 An Over
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186 Brokx and Vogel Fig. 1. UV abso
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188 Brokx and Vogel Fig. 2. 20% SDS
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190 Brokx and Vogel it through an a
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192 Brokx and Vogel 8. Weljie, A. M
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196 Berliner Fig. 1. Aqueous X-band
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198 Berliner in the Bruker instrume
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200 Berliner Fig. 3. ESR spectra of
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202 Berliner Fig. 5. Low-temperatur
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204 Berliner 14. Musci, G., Reed, G
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206 Clarke and Vogel cal calcium-bi
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208 Clarke and Vogel Fig. 1. 113 Cd
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214 Clarke and Vogel The linewidth
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218 Drakenberg sands, of Hertz broa
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220 Drakenberg 1. Bloch equations m
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222 Drakenberg Fig. 2. Measurement
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224 Drakenberg Fig. 3. (A) 43 Ca NM
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226 Drakenberg Fig. 5. 43 Ca NMR sp
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228 Drakenberg NMR at sub-mM concen
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230 Drakenberg 30. Shimizu, T., Hat
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232 Weljie and Heringa Table 1 Amin
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234 Weljie and Heringa Table 2 Webs
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236 Weljie and Heringa diction meth
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238 Weljie and Heringa these databa
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240 Weljie and Heringa lineages. Th
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242 Weljie and Heringa compared, an
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244 Weljie and Heringa sequences as
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246 Weljie and Heringa much larger
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248 Weljie and Heringa ment require
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250 Weljie and Heringa 10. Kawasaki
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252 Weljie and Heringa 44. Thompson
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254 Weljie and Heringa
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256 Li et al. In order for these ex
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258 Li et al. 7. Mineral Mixture (s
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260 Li et al. 3. When the 45% D 2O/
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262 Li et al. sion system works eff
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264 Li et al. reliably produce high
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268 Mal et al. NMR data, X-PLOR (11
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270 Mal et al. Table 1 Simulated An
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272 Mal et al. 3.1.2.1. AMBIGUOUS D
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274 Mal et al. molecular dynamics a
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276 Mal et al. Assuming a rigid bod
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278 Mal et al. assign (segid A and
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280 Mal et al. References 1. Drenth
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282 Mal et al. 33. Jeener, J., Meie
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286 Werner et al. Our research has
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288 Fig. 1. (A) T 1, T 2 and the he
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290 Werner et al. tion, using gradi
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292 Werner et al. Fig. 3. (A) Rotat
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294 Werner et al. Fig. 4. (A) Line-
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296 Werner et al. Table 2 Models of
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298 Werner et al. 9. Reinhardt, D.
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300 Werner et al. 39. Press, W. H.,
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302 Boyd et al. utilize residual di
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304 Boyd et al. Fig. 1. (A) The sol
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306 Boyd et al. or significant peak
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308 Boyd et al. Fig. 3. Histogram o
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310 Boyd et al. total and NOE energ
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312 Boyd et al. 2. When studying mu
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314 Boyd et al. 4. Downing, A. K.,
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316 Boyd et al. 35. Schulte-Herbrug
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318 Yap et al. image representation
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320 Yap et al. modified EF-hand is
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322 Table 1 Angle and Distance Outp
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Page 345 and 346: 326 Kobayashi that S-100A1 and S-10
Page 347 and 348: 328 Kobayashi 3.2. Coupling of Crom
Page 349 and 350: 330 Kobayashi Fig. 2. Tricine/SDS/P
Page 351 and 352: 332 Kobayashi 0.1% TFA at a flow ra
Page 353 and 354: 334 Kobayashi Both recombinant S-10
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Page 359 and 360: 340 Walsh et al. verts CaM from an
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Page 363 and 364: 344 Walsh et al. Fig. 1. CaM-depend
Page 367 and 368: 348 Walsh et al. 3.5. NOS Reduction
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Page 375 and 376: 356 Hughes et al. The electroporati
Page 377 and 378: 358 Hughes et al. 4. 1 M Na 2CO 3.
Page 379 and 380: 360 Hughes et al. range, repeat ste
Page 381 and 382: 362 Hughes et al. Table 1 Examples
Page 383 and 384: 20 Dean, Kelsey, and Reik
Page 385 and 386: 366 Persechini of the different CaM
Page 387 and 388: 368 Persechini Fig. 1. Schematic re
Page 389 and 390: 370 Persechini 2. 1 L of Terrific b
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Page 393: 374 Persechini Table 1 Parameters f
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Page 399 and 400: 380 Persechini relatively insensiti
Page 401 and 402: 382 Persechini 18. Chafouleas, J. G
Page 403 and 404: 384 Török et al. actions in the c
Page 405 and 406: 386 Török et al. 3. The reaction
Page 407 and 408: 388 Török et al. Fig. 2. Electros
Page 409 and 410: 390 Török et al. Fig. 3. Peptides
Page 411 and 412: 392 Török et al. Table 1 Peptide
Page 413 and 414: 394 Török et al. Fig. 7. Nanospra
Page 415 and 416: 396 Török et al. Fig. 9. Nanospra
Page 417 and 418: 398 Török et al. Fig. 11. Electro
Page 419 and 420: 400 Török et al. 3 µM FL-calmodu
Page 421 and 422: 402 Török et al. Fig. 14. Localiz
Page 423 and 424: 404 Török et al. Fig. 16. Indicat
Page 425 and 426: 406 Török et al. the significantl
Page 427 and 428: 408 Török et al.
Page 429 and 430: 410 Index substitutes, see Fluoresc
Page 431 and 432: 412 Index Stern-Volmer plot, 78, 81
Page 433 and 434: 414 Index Phenothiazines, see Calmo
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