Knowledge (XXG)

Photoaffinity labeling

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into a highly reactive form, which causes the label to bind more permanently to the large molecule via a covalent bond. The technique was first described in the 1970s. Molecules that have been used as labels in this process are often analogs of complex molecules, in which certain functional groups
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Akiyama, S.; Cornwell, M. M.; Kuwano, M.; Pastan, I.; Gottesman, M. M. (1988). "Most drugs that reverse multidrug resistance also inhibit photoaffinity labeling of P-glycoprotein by a vinblastine analog".
192:"5-Azido-2-aminopyridine, a New Nitrene/Nitrenium Ion Photoaffinity Labeling Agent That Exhibits Reversible Intersystem Crossing between Singlet and Triplet Nitrenes" 263: 38:. The "label" attaches to the molecule loosely and reversibly, and has an inactive site which can be converted using 111: 159:"The Ugi four-component reaction enables expedient synthesis and comparison of photoaffinity probes" 71: 239: 211: 190:
Panov, M. S.; Voskresenska, V. D.; Ryazantsev, M. N.; Tarnovsky, A. N.; Wilson, R. M. (2013).
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technique used to attach "labels" to the active site of a large molecule, especially a
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Bush, J. T.; Walport, L. J.; McGouran, J. F.; Leung, I. K. H.; Berridge, G. (2013).
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Proceedings of the National Academy of Sciences of the United States of America
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Ruoho, A. E.; Kiefer, H.; Roeder, P. E.; Singer, S. J. (1973).
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are replaced with a photoreactive group, such as an
8: 174: 133: 123: 100:"The mechanism of photoaffinity labeling" 196:Journal of the American Chemical Society 64: 7: 25: 1: 264:Molecular biology techniques 280: 232:Molecular Pharmacology 125:10.1073/pnas.70.9.2567 83:Photoaffinity labeling 72:Photoaffinity labeling 28:Photoaffinity labeling 18:Photoaffinity labels 202:(51): 19167–19179. 116:1973PNAS...70.2567R 176:10.1039/C3SC51708J 208:10.1021/ja405637b 169:(12): 4115–4120. 16:(Redirected from 271: 248: 247: 226: 220: 219: 187: 181: 180: 178: 163:Chemical Science 154: 148: 147: 137: 127: 110:(9): 2567–2571. 95: 89: 80: 74: 69: 21: 279: 278: 274: 273: 272: 270: 269: 268: 254: 253: 252: 251: 228: 227: 223: 189: 188: 184: 156: 155: 151: 97: 96: 92: 81: 77: 70: 66: 61: 32:chemoproteomics 23: 22: 15: 12: 11: 5: 277: 275: 267: 266: 256: 255: 250: 249: 238:(2): 144–147. 221: 182: 149: 90: 75: 63: 62: 60: 57: 24: 14: 13: 10: 9: 6: 4: 3: 2: 276: 265: 262: 261: 259: 245: 241: 237: 233: 225: 222: 217: 213: 209: 205: 201: 197: 193: 186: 183: 177: 172: 168: 164: 160: 153: 150: 145: 141: 136: 131: 126: 121: 117: 113: 109: 105: 101: 94: 91: 88: 84: 79: 76: 73: 68: 65: 58: 56: 54: 50: 46: 41: 37: 33: 29: 19: 235: 231: 224: 199: 195: 185: 166: 162: 152: 107: 103: 93: 78: 67: 53:benzophenone 27: 26: 59:References 40:photolysis 87:Gold Book 49:diazirine 258:Category 216:24219134 244:2893251 144:4517671 112:Bibcode 36:protein 242:  214:  142:  135:427057 132:  51:or a 45:azide 30:is a 240:PMID 212:PMID 140:PMID 47:, a 204:doi 200:135 171:doi 130:PMC 120:doi 260:: 236:33 234:. 210:. 198:. 194:. 165:. 161:. 138:. 128:. 118:. 108:70 106:. 102:. 85:, 55:. 246:. 218:. 206:: 179:. 173:: 167:4 146:. 122:: 114:: 20:)

Index

Photoaffinity labels
chemoproteomics
protein
photolysis
azide
diazirine
benzophenone
Photoaffinity labeling
Photoaffinity labeling
Gold Book
"The mechanism of photoaffinity labeling"
Bibcode
1973PNAS...70.2567R
doi
10.1073/pnas.70.9.2567
PMC
427057
PMID
4517671
"The Ugi four-component reaction enables expedient synthesis and comparison of photoaffinity probes"
doi
10.1039/C3SC51708J
"5-Azido-2-aminopyridine, a New Nitrene/Nitrenium Ion Photoaffinity Labeling Agent That Exhibits Reversible Intersystem Crossing between Singlet and Triplet Nitrenes"
doi
10.1021/ja405637b
PMID
24219134
PMID
2893251
Category

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