1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Benaki, D.
Zikos, C.
Evangelou, A.
Livaniou, E.
Vlassi, M.
Mikros, E.
Pelecanou, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
O
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
N
N
58
R
C
N
59
N
C
N
60
N
O
N
61
N
C
N
62
N
S
N
63
N
O
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
N
N
72
S
C
N
73
N
C
N
74
N
O
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
O
N
79
N
O
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
N
N
91
N
C
N
92
N
C
N
93
N
O
N
94
N
O
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
N
N
101
S
C
N
102
N
C
N
103
N
O
N
104
S
C
N
105
N
C
N
106
N
C
N
107
N
C
N
108
N
O
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
N
N
123
S
C
N
124
N
C
N
125
N
O
N
126
N
C
N
127
N
C
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
N
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
N
N
153
N
O
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
N
N
170
S
C
N
171
N
C
N
172
N
O
N
173
N
C
N
174
N
C
N
175
N
S
N
176
N
C
N
177
N
O
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
N
N
190
S
C
N
191
N
C
N
192
N
O
N
193
N
C
Y
194
N
C
Y
195
N
C
Y
196
N
C
Y
197
N
C
Y
198
N
C
Y
199
N
C
N
200
N
O
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
N
N
213
S
C
N
214
N
C
N
215
N
O
N
216
N
C
N
217
N
C
N
218
N
C
N
219
N
O
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
N
N
230
S
C
N
231
N
C
N
232
N
O
N
233
N
C
N
234
N
O
N
235
N
O
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
N
N
244
S
C
N
245
N
C
N
246
N
O
N
247
R
C
N
248
N
O
N
249
N
C
N
250
N
O
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
N
N
261
S
C
N
262
N
C
N
263
N
O
N
264
N
C
N
265
N
C
N
266
N
C
N
267
N
O
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
doub
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
doub
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
doub
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
doub
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
doub
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
doub
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
doub
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
Y
190
N
doub
Y
191
N
sing
Y
192
N
sing
N
193
N
sing
Y
194
N
doub
N
195
N
sing
Y
196
N
doub
N
197
N
sing
Y
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
doub
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
doub
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
doub
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
doub
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
US
Biochem.Biophys.Res.Commun.
BBRCA9
0146
0006-291X
329
152
160
10.1016/j.bbrc.2005.01.100
15721287
Solution structure of humanin, a peptide against Alzheimer's disease-related neurotoxicity.
2005
10.2210/pdb1y32/pdb
pdb_00001y32
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
SINGLE WAVELENGTH
M
1
1.0
2691.264
Humanin
1
syn
polymer
no
no
MAPRGFSCLLLLTSEIDLPVKRRA
MAPRGFSCLLLLTSEIDLPVKRRA
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
database_2
pdbx_nmr_software
pdbx_nmr_spectrometer
pdbx_struct_assembly
pdbx_struct_oper_list
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Data collection
1
0
2005-02-22
1
1
2008-04-30
1
2
2011-07-13
1
3
2022-03-02
1
4
2024-05-22
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_pdbx_nmr_spectrometer.model
RCSB
Y
RCSB
2004-11-23
REL
REL
Humanin was prepared by Fmoc-solid phase synthesis on -Cl-trityl-amidomethyl polystyrene resin. The peptide was purified to 95% with semi-preparative RP-HPLC and suitably characterized. Evangelou, A., Zikos, C., Livaniou, E., and Evangelatos, G.P. (2004) High-yield, solid-phase synthesis of humanin, an Alzheimer s disease associated, novel 24-mer peptide which contains a difficult sequence, J. Peptide Science 10, 631-635.
sample
This structure was determined using standard 2D homonuclear techniques.
structures with the lowest energy
300
14
2D NOESY
2D TOCSY
2D NOESY
2D TOCSY
60 microM sodium azide
2.7
ambient
298
K
60 microM sodium azide
2.7
ambient
280
K
simulated annealing
torsion angle dynamics
1
closest to the average
NMR studies of humanin were carried out in H2O/TFE-d3 7:3 solution containing 60 microM NaN3 at 280 and 298 K. The concentration of the sample was 1.7 mM and the pH of the solution was 2.7 (uncorrected for the presence of TFE).
H2O/TFE-d3 7:3 solution containing 60 microM NaN3
Bruker
collection
XwinNMR
2.6
Bruker
processing
XwinNMR
2.6
Goddard
data analysis
Sparky
3
Brunger
structure solution
CNS
1.1
Brunger
refinement
CNS
1.1
500
Bruker
AVANCE
MET
1
n
1
MET
1
A
ALA
2
n
2
ALA
2
A
PRO
3
n
3
PRO
3
A
ARG
4
n
4
ARG
4
A
GLY
5
n
5
GLY
5
A
PHE
6
n
6
PHE
6
A
SER
7
n
7
SER
7
A
CYS
8
n
8
CYS
8
A
LEU
9
n
9
LEU
9
A
LEU
10
n
10
LEU
10
A
LEU
11
n
11
LEU
11
A
LEU
12
n
12
LEU
12
A
THR
13
n
13
THR
13
A
SER
14
n
14
SER
14
A
GLU
15
n
15
GLU
15
A
ILE
16
n
16
ILE
16
A
ASP
17
n
17
ASP
17
A
LEU
18
n
18
LEU
18
A
PRO
19
n
19
PRO
19
A
VAL
20
n
20
VAL
20
A
LYS
21
n
21
LYS
21
A
ARG
22
n
22
ARG
22
A
ARG
23
n
23
ARG
23
A
ALA
24
n
24
ALA
24
A
author_defined_assembly
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
ALA
2
60.12
88.34
1
A
SER
14
-130.50
-46.43
1
A
LYS
21
-178.02
-39.67
2
A
ARG
22
-177.54
43.46
2
A
ARG
23
-155.88
-76.39
3
A
SER
14
-130.66
-46.24
4
A
SER
14
-132.01
-46.26
4
A
LYS
21
57.73
-174.92
4
A
ARG
22
-131.50
-45.93
4
A
ARG
23
-173.86
-51.85
5
A
LYS
21
-152.92
-49.64
5
A
ARG
22
-154.68
-72.27
6
A
ALA
2
61.48
153.55
6
A
SER
14
-134.47
-46.30
7
A
ALA
2
60.98
92.87
7
A
SER
14
-131.23
-46.29
7
A
LYS
21
63.20
-78.04
7
A
ARG
22
64.19
-79.43
7
A
ARG
23
-177.91
-177.99
8
A
ALA
2
60.54
162.74
8
A
ARG
23
-155.18
-70.33
10
A
ALA
2
-166.33
88.21
10
A
LYS
21
60.38
80.30
11
A
LEU
10
-54.89
-75.77
11
A
SER
14
-135.96
-46.27
11
A
VAL
20
43.18
77.65
11
A
LYS
21
69.19
103.66
11
A
ARG
22
-148.11
-63.58
11
A
ARG
23
59.58
104.62
12
A
VAL
20
-92.50
33.08
12
A
ARG
22
-135.62
-56.46
13
A
LYS
21
176.20
156.66
13
A
ARG
22
-152.55
-64.14
13
A
ARG
23
-164.12
-71.00
14
A
VAL
20
-93.68
32.56
14
A
ARG
22
-94.39
46.05
NMR structure of humanin in 30% TFE solution
1
N
N
A
PRO
3
A
PRO
3
HELX_P
A
ILE
16
A
ILE
16
1
1
14
UNKNOWN FUNCTION
Humanin, NMR solution structure, Alzheimer's disease, neuroprotection, UNKNOWN FUNCTION
HUNIN_HUMAN
UNP
1
1
Q8IVG9
MAPRGFSCLLLLTSEIDLPVKRRA
1
24
1Y32
1
24
Q8IVG9
A
1
1
24