1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Chandrashekar, I.R.
Cowsik, S.M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
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
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
C
N
7
N
O
N
8
N
O
N
9
N
O
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
N
N
18
N
C
N
19
N
C
N
20
N
O
N
21
N
O
N
22
N
H
N
23
N
H
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
N
N
28
S
C
N
29
N
C
N
30
N
O
N
31
N
C
Y
32
N
C
Y
33
N
N
Y
34
N
C
Y
35
N
C
Y
36
N
N
N
37
N
O
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
N
N
49
S
C
N
50
N
C
N
51
N
O
N
52
N
C
N
53
N
C
N
54
N
C
N
55
N
C
N
56
N
O
N
57
N
H
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
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
N
N
71
S
C
N
72
N
C
N
73
N
O
N
74
N
C
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
N
N
79
N
O
N
80
N
H
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
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
N
N
96
S
C
N
97
N
C
N
98
N
O
N
99
N
C
N
100
N
C
N
101
N
S
N
102
N
C
N
103
N
O
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
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
N
N
116
S
C
N
117
N
C
N
118
N
O
N
119
N
C
Y
120
N
C
Y
121
N
C
Y
122
N
C
Y
123
N
C
Y
124
N
C
Y
125
N
C
N
126
N
O
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
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
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
N
143
N
O
N
144
N
O
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
N
N
153
S
C
N
154
N
C
N
155
N
O
N
156
R
C
N
157
N
O
N
158
N
C
N
159
N
O
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
C
N
176
N
O
N
177
N
H
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
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
doub
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
sing
N
20
N
sing
N
21
N
sing
N
22
N
doub
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
doub
N
32
N
sing
N
33
N
sing
N
34
N
sing
N
35
N
sing
Y
36
N
sing
Y
37
N
doub
Y
38
N
doub
N
39
N
sing
Y
40
N
sing
N
41
N
sing
Y
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
doub
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
sing
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
sing
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
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
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
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
Y
121
N
doub
Y
122
N
sing
Y
123
N
sing
N
124
N
sing
Y
125
N
doub
N
126
N
sing
Y
127
N
doub
N
128
N
sing
Y
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
doub
N
140
N
sing
N
141
N
sing
N
142
N
sing
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
doub
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
sing
N
167
N
sing
N
168
N
doub
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
US
Biophys.J.
BIOJAU
0030
0006-3495
85
4002
4011
10.1016/S0006-3495(03)74814-0
14645089
Three-dimensional structure of the mammalian tachykinin peptide neurokinin A bound to lipid micelles.
2003
10.2210/pdb1n6t/pdb
pdb_00001n6t
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
1136.321
Neurokinin A
1
syn
polymer
no
no
HKTDSFVGLM
HKTDSFVGLM
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
citation
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_assembly_prop
pdbx_struct_oper_list
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Data collection
Database references
1
0
2003-12-16
1
1
2008-04-28
1
2
2011-07-13
1
3
2019-11-06
1
4
2024-05-01
_citation.pdbx_database_id_DOI
_pdbx_nmr_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
RCSB
Y
PDBJ
2002-11-12
REL
REL
This sequence occurs naturally in mammalian neuronal tissue.
sample
This structure was determined using standard 2D homonuclear techniques.
structures with the least restraint violations
50
20
2D NOESY
no salts used
5.0
ambient
305
K
distance geometry and simulated annealing(DYANA)
1
fewest violations
5mg of neurokinin A in 0.5ml of water (90% H2O, 10% D2O, pH 5.0)
260mM perdeuterated DPC
P.Guntert, C.Mumenthaler, K.Wuthrich
refinement
DYANA
1.5
BRUKER
processing
XwinNMR
3.1
500
Bruker
DRX
HIS
1
n
1
HIS
1
A
LYS
2
n
2
LYS
2
A
THR
3
n
3
THR
3
A
ASP
4
n
4
ASP
4
A
SER
5
n
5
SER
5
A
PHE
6
n
6
PHE
6
A
VAL
7
n
7
VAL
7
A
GLY
8
n
8
GLY
8
A
LEU
9
n
9
LEU
9
A
MET
10
n
10
MET
10
A
author_defined_assembly
1
monomeric
0
0
1280
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
identity operation
0.0000000000
0.0000000000
0.0000000000
Solution Structure of the Tachykinin Peptide Neurokinin A
1
N
N
A
THR
3
A
THR
3
HELX_P
A
MET
10
A
MET
10
5
1
8
NEUROPEPTIDE
helix, 3 10 helix, lipid induced conformation, DPC micelles, neuropeptide
TKNB_CHICK
UNP
1
1
P19851
HKTDSFVGLM
1
10
1N6T
1
10
P19851
A
1
1
10
1
P 1