51:
to the NH group of residue i+4 (or sometimes residue i+3). Because of this it is sometimes also described as the residue prior to the helix.
97:
Richardson, JM; Richardson DC (1988). "Amino acid preferences for specific locations at the ends of alpha-helices".
379:
157:
106:
356:
331:
Leader, DP; Milner-White EJ (2011). "The structure of the ends of helices in globular proteins".
130:
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340:
305:
261:
253:
212:
204:
165:
114:
161:
110:
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241:
217:
192:
47:
of the helix. More precisely, it is defined as the first residue (i) whose CO group is
373:
48:
360:
134:
36:
32:
44:
40:
24:
290:
169:
118:
71:
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126:
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344:
59:
28:
81:
is the corresponding amino acid residue at the other end of the helix
67:
78:
291:"Stereochemical punctuation marks in protein structure"
66:
are often found at such situations, with the asx or
54:Capping motifs are those often found at the N cap.
193:"Structures of N-termini of helices in proteins"
8:
148:Presta, LG; Rose GD (1988). "Helix Caps".
265:
216:
89:
289:Gunasekaran, K; Nagarajam HA (1998).
7:
27:in a particular position within a
14:
191:Doig, AJ; MacArthur MW (1997).
1:
298:Journal of Molecular Biology
240:Aurora, R; Rose GD (1998).
23:(N-cap, Ncap) describes an
396:
35:. The N cap residue of an
170:10.1126/science.2837824
119:10.1126/science.3381086
310:10.1006/jmbi.1997.1505
258:10.1002/pro.5560070103
209:10.1002/pro.5560060117
74:residue at the N cap.
162:1988Sci...240.1632P
156:(4859): 1632–1641.
111:1988Sci...240.1648R
105:(4859): 1648–1652.
345:10.1002/prot.22942
387:
365:
364:
339:(3): 1010–1019.
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246:Protein Science
242:"Helix Capping"
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197:Protein Science
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49:hydrogen-bonded
43:residue at the
17:
12:
11:
5:
393:
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372:
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366:
323:
304:(5): 917–932.
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232:
203:(1): 147–155.
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39:is the first
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22:
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252:(1): 21–38.
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380:Amino acids
37:alpha helix
33:polypeptide
85:References
64:asx motifs
45:N terminus
41:amino acid
25:amino acid
16:Amino acid
72:threonine
56:Asx turns
19:The term
374:Category
361:22240314
353:21287629
333:Proteins
135:38467101
60:ST turns
318:9480777
276:9514257
267:2143812
227:9007987
218:2143508
178:2837824
158:Bibcode
150:Science
127:3381086
107:Bibcode
99:Science
29:protein
359:
351:
316:
274:
264:
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215:
176:
133:
125:
68:serine
62:, and
357:S2CID
294:(PDF)
131:S2CID
79:C cap
21:N cap
349:PMID
314:PMID
272:PMID
223:PMID
174:PMID
123:PMID
77:The
341:doi
306:doi
302:275
262:PMC
254:doi
213:PMC
205:doi
166:doi
154:240
115:doi
103:240
70:or
31:or
376::
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337:79
335:.
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58:,
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117::
109::
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