1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Demarest, S.J.
Hua, Y.
Raleigh, D.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C2 H4 O
44.053
ACETYL GROUP
non-polymer
C3 H7 N O2
89.093
y
ALANINE
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
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-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
H2 N
16.023
AMINO GROUP
non-polymer
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
N
1
N
C
N
2
N
O
N
3
N
C
N
4
N
H
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
N
N
9
S
C
N
10
N
C
N
11
N
O
N
12
N
C
N
13
N
O
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
H
N
20
N
H
N
21
N
N
N
22
S
C
N
23
N
C
N
24
N
O
N
25
N
C
N
26
N
C
N
27
N
O
N
28
N
O
N
29
N
O
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
N
N
38
R
C
N
39
N
C
N
40
N
O
N
41
N
C
N
42
N
S
N
43
N
O
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
H
N
51
N
N
N
52
S
C
N
53
N
C
N
54
N
O
N
55
N
C
Y
56
N
C
Y
57
N
N
Y
58
N
C
Y
59
N
C
Y
60
N
N
N
61
N
O
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
H
N
71
N
H
N
72
N
N
N
73
S
C
N
74
N
C
N
75
N
O
N
76
S
C
N
77
N
C
N
78
N
C
N
79
N
C
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
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
H
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
H
N
116
N
N
N
117
S
C
N
118
N
C
N
119
N
O
N
120
N
C
N
121
N
C
N
122
N
C
N
123
N
C
N
124
N
N
N
125
N
O
N
126
N
H
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
H
N
139
N
H
N
140
N
H
N
141
N
N
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
Y
149
N
C
Y
150
N
C
Y
151
N
C
Y
152
N
N
Y
153
N
C
Y
154
N
C
Y
155
N
C
Y
156
N
C
Y
157
N
C
N
158
N
O
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
H
N
170
N
H
N
171
N
N
N
172
S
C
N
173
N
C
N
174
N
O
N
175
N
C
Y
176
N
C
Y
177
N
C
Y
178
N
C
Y
179
N
C
Y
180
N
C
Y
181
N
C
N
182
N
O
N
183
N
O
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
doub
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
sing
N
23
N
sing
N
24
N
sing
N
25
N
doub
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
doub
N
31
N
sing
N
32
N
sing
N
33
N
sing
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
doub
N
41
N
sing
N
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
sing
N
53
N
doub
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
Y
58
N
sing
Y
59
N
doub
Y
60
N
doub
N
61
N
sing
Y
62
N
sing
N
63
N
sing
Y
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
sing
N
74
N
doub
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
doub
N
96
N
sing
N
97
N
sing
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
N
121
N
sing
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
Y
147
N
doub
Y
148
N
sing
Y
149
N
sing
N
150
N
sing
Y
151
N
doub
Y
152
N
sing
Y
153
N
sing
N
154
N
sing
Y
155
N
sing
Y
156
N
doub
N
157
N
sing
Y
158
N
doub
N
159
N
sing
Y
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
sing
N
169
N
sing
N
170
N
doub
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
Y
175
N
doub
Y
176
N
sing
Y
177
N
sing
N
178
N
sing
Y
179
N
doub
N
180
N
sing
Y
181
N
doub
N
182
N
sing
Y
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
38
7380
7387
10.1021/bi990320z
10353850
Local interactions drive the formation of nonnative structure in the denatured state of human alpha-lactalbumin: a high resolution structural characterization of a peptide model in aqueous solution.
1999
10.2210/pdb1cb3/pdb
pdb_00001cb3
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
ACETYLATED N-TERMINUS AMIDATED C-TERMINUS
1326.566
LCA
C11A
1
syn
polymer
no
yes
(ACE)IDYWLAHKALA(NH2)
XIDYWLAHKALAX
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
database_2
entity
pdbx_entity_src_syn
pdbx_nmr_ensemble
pdbx_nmr_exptl
pdbx_nmr_software
pdbx_nmr_spectrometer
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Source and taxonomy
Structure summary
Data collection
1
0
1999-06-08
1
1
2008-04-26
1
2
2011-07-13
1
3
2021-11-03
1
4
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_entity.pdbx_description
_pdbx_entity_src_syn.details
_pdbx_entity_src_syn.ncbi_taxonomy_id
_pdbx_entity_src_syn.organism_common_name
_pdbx_entity_src_syn.organism_scientific
_pdbx_nmr_ensemble.conformer_selection_criteria
_pdbx_nmr_exptl.type
_pdbx_nmr_software.authors
_pdbx_nmr_software.version
_pdbx_nmr_spectrometer.model
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BNL
Y
RCSB
1999-02-26
REL
REL
The peptide was chemically synthesized.
9606
human
Homo sapiens
sample
THE STRUCTURE WAS DETERMINED USING 1H NMR SPECTROSCOPY ON A CHEMICALLY
SYNTHESIZED PEPTIDE CORRESPONDING TO RESIDUES 120-130 OF HUMAN ALPHA-
LACTALBUMIN
structures with the least restraint violations
200
40
ROESY
TOCSY
DQF-COSY
E.COSY
2.8
1
atm
283
K
BOND LENGTHS (A) : 0.0035;
BOND ANGLES (DEGREES) : 0.59;
IMPROPER ANGLES (DEGREES) : 0.35;
PARAMETER FILE 1 : PARALLHDG.PRO;
TOPOLOGY FILE 1 : TOPALLHDG.PRO
DISTANCE GEOMETRY AND SIMULATED ANNEALING
1
BRUNGER
refinement
X-PLOR
3.851
BRUNGER
structure solution
X-PLOR
3.851
500
Varian
INOVA
600
Varian
INOVA
ACE
14
n
1
ACE
0
A
ILE
1
n
2
ILE
1
A
ASP
2
n
3
ASP
2
A
TYR
3
n
4
TYR
3
A
TRP
4
n
5
TRP
4
A
LEU
5
n
6
LEU
5
A
ALA
6
n
7
ALA
6
A
HIS
7
n
8
HIS
7
A
LYS
8
n
9
LYS
8
A
ALA
9
n
10
ALA
9
A
LEU
10
n
11
LEU
10
A
ALA
11
n
12
ALA
11
A
NH2
13
n
13
NH2
12
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
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
A
O
H
TRP
HIS
4
7
1.55
2
A
A
O
H
TRP
HIS
4
7
1.53
4
A
A
O
H
TRP
HIS
4
7
1.53
5
A
A
O
H
TRP
HIS
4
7
1.56
6
A
A
O
H
TRP
HIS
4
7
1.53
7
A
A
O
H
TRP
HIS
4
7
1.49
8
A
A
O
H
TRP
HIS
4
7
1.48
10
A
A
O
H
TRP
HIS
4
7
1.51
14
A
A
O
H
TRP
HIS
4
7
1.48
16
A
A
O
H
TRP
HIS
4
7
1.47
18
A
A
O
H
TRP
HIS
4
7
1.52
19
A
A
O
H
TRP
HIS
4
7
1.55
20
A
A
O
H
TRP
HIS
4
7
1.49
21
A
A
O
H
TRP
HIS
4
7
1.49
22
A
A
O
H
TRP
HIS
4
7
1.59
23
A
A
O
H
TRP
HIS
4
7
1.54
24
A
A
O
H
TRP
HIS
4
7
1.49
28
A
A
O
H
TRP
LYS
4
8
1.44
28
A
A
O
H
TRP
HIS
4
7
1.59
30
A
A
O
H
TRP
HIS
4
7
1.48
31
A
A
O
H
TRP
HIS
4
7
1.52
33
A
A
O
H
TRP
HIS
4
7
1.55
36
A
A
O
H
TRP
HIS
4
7
1.49
37
A
A
O
H
TRP
HIS
4
7
1.51
38
A
A
O
H
TRP
HIS
4
7
1.49
39
A
A
O
H
TRP
HIS
4
7
1.53
40
A
A
O
H
TRP
HIS
4
7
1.49
1
A
ASP
2
61.05
-70.10
1
A
TRP
4
-16.87
-54.61
1
A
HIS
7
-122.91
-64.47
1
A
LYS
8
58.98
148.41
1
A
LEU
10
34.48
-156.04
2
A
ASP
2
62.20
-69.12
2
A
TRP
4
-16.69
-55.11
2
A
LYS
8
-111.57
-148.07
3
A
ASP
2
59.72
-68.46
3
A
TRP
4
-22.29
-50.38
3
A
LYS
8
43.03
-141.89
3
A
LEU
10
56.25
112.09
4
A
ASP
2
62.32
-69.52
4
A
TRP
4
-14.34
-56.52
4
A
HIS
7
-129.04
-137.94
4
A
LYS
8
67.37
-143.64
4
A
ALA
9
-55.33
-164.04
4
A
LEU
10
54.95
102.76
5
A
ASP
2
61.91
-69.57
5
A
TRP
4
-15.41
-55.35
5
A
HIS
7
-133.39
-68.84
5
A
LYS
8
50.85
175.71
6
A
ASP
2
62.07
-68.85
6
A
TRP
4
-16.49
-55.67
6
A
LYS
8
-104.45
-155.19
6
A
ALA
9
-48.51
94.17
6
A
LEU
10
-167.79
108.70
7
A
ASP
2
64.01
-70.38
7
A
TRP
4
-15.15
-54.46
7
A
HIS
7
-128.56
-137.87
7
A
LYS
8
64.77
173.36
8
A
ASP
2
61.42
-70.36
8
A
TRP
4
-15.65
-54.64
9
A
ASP
2
60.99
-69.66
9
A
TRP
4
-16.69
-57.86
9
A
HIS
7
-119.24
-70.67
9
A
LYS
8
43.59
-142.71
10
A
ASP
2
61.86
-69.96
10
A
TRP
4
-15.18
-55.55
10
A
HIS
7
-130.47
-142.79
10
A
LYS
8
62.59
172.72
10
A
LEU
10
-177.63
115.30
11
A
ASP
2
62.07
-69.23
11
A
TRP
4
-17.38
-55.22
11
A
LYS
8
-63.90
-163.89
12
A
ASP
2
62.30
-67.25
12
A
TRP
4
-19.48
-53.89
12
A
HIS
7
-117.94
-72.72
12
A
LYS
8
41.56
-158.73
12
A
LEU
10
55.75
-88.43
13
A
ASP
2
59.63
-68.50
13
A
TRP
4
-27.38
-44.06
13
A
HIS
7
-115.57
-138.81
13
A
LYS
8
64.50
171.13
14
A
ASP
2
60.92
-70.65
14
A
TRP
4
-16.98
-53.31
14
A
ALA
9
-63.77
80.65
15
A
ASP
2
60.19
-71.22
15
A
TRP
4
-30.57
-39.28
15
A
ALA
6
-90.33
-129.72
15
A
HIS
7
40.57
-118.30
15
A
LYS
8
57.66
-163.39
15
A
LEU
10
43.99
86.32
16
A
ASP
2
60.40
-71.77
16
A
TRP
4
-17.37
-53.42
16
A
HIS
7
-125.25
-144.52
16
A
LYS
8
41.03
-140.68
16
A
LEU
10
-160.21
-58.09
17
A
ASP
2
60.08
-71.37
17
A
TRP
4
-29.99
-39.71
17
A
ALA
6
-90.41
-128.50
17
A
HIS
7
36.14
-127.83
17
A
LYS
8
59.70
166.09
17
A
ALA
9
-64.64
68.95
18
A
ASP
2
61.24
-70.52
18
A
TRP
4
-16.73
-55.06
18
A
HIS
7
-121.62
-117.56
18
A
LYS
8
66.07
-143.02
19
A
ASP
2
64.36
-70.36
19
A
TRP
4
-14.84
-55.80
19
A
LYS
8
-55.29
-163.27
19
A
ALA
9
-68.33
59.47
20
A
ASP
2
61.04
-70.74
20
A
TRP
4
-15.82
-54.18
20
A
HIS
7
-127.81
-147.49
21
A
ASP
2
60.67
-71.68
21
A
TRP
4
-15.76
-53.88
21
A
LYS
8
-107.40
-158.08
22
A
ASP
2
62.03
-69.32
22
A
TRP
4
-13.95
-57.53
22
A
HIS
7
-131.35
-71.34
22
A
LYS
8
43.04
-141.75
22
A
ALA
9
-88.48
36.54
23
A
ASP
2
60.57
-70.79
23
A
TRP
4
-15.00
-56.15
23
A
HIS
7
-135.67
-35.52
23
A
ALA
9
-90.40
-67.65
23
A
LEU
10
-66.54
83.72
24
A
ASP
2
61.25
-70.60
24
A
TRP
4
-15.40
-54.73
24
A
ALA
9
-90.23
-63.44
25
A
ASP
2
61.81
-69.45
25
A
TRP
4
-18.99
-53.17
25
A
LYS
8
-107.81
-146.47
26
A
ASP
2
62.23
-69.11
26
A
TRP
4
-16.75
-55.84
26
A
LYS
8
-94.55
-144.97
27
A
ASP
2
61.01
-70.05
27
A
TRP
4
-19.71
-53.09
27
A
HIS
7
-118.20
-75.40
27
A
LYS
8
54.50
166.39
27
A
ALA
9
-50.34
91.05
28
A
ASP
2
60.94
-70.59
28
A
TRP
4
-17.39
-54.45
29
A
ASP
2
60.71
-71.41
29
A
TRP
4
-26.92
-44.05
29
A
ALA
6
-90.30
-133.02
29
A
HIS
7
37.07
-87.71
29
A
LYS
8
47.43
-131.35
29
A
ALA
9
-39.83
-26.75
30
A
ASP
2
62.10
-69.25
30
A
TRP
4
-16.24
-53.75
31
A
ASP
2
59.55
-70.44
31
A
TRP
4
-18.70
-50.49
31
A
HIS
7
-133.90
-52.32
31
A
LYS
8
-54.80
-162.98
31
A
ALA
9
-42.29
-70.66
31
A
LEU
10
56.78
-82.45
32
A
ASP
2
60.74
-70.49
32
A
TRP
4
-15.24
-55.33
32
A
HIS
7
-134.02
-135.40
32
A
LYS
8
63.61
178.26
32
A
ALA
9
-60.39
77.23
32
A
LEU
10
-124.40
-62.84
33
A
ASP
2
61.61
-69.90
33
A
TRP
4
-16.24
-55.96
33
A
HIS
7
-121.67
-117.24
33
A
LYS
8
62.86
-142.94
34
A
ASP
2
62.63
-67.73
34
A
TRP
4
-19.24
-51.82
34
A
HIS
7
-119.15
-107.28
34
A
LYS
8
58.66
-143.36
34
A
LEU
10
-177.47
39.16
35
A
ASP
2
59.35
-70.84
35
A
TRP
4
-18.19
-54.23
35
A
LYS
8
-116.01
-159.70
36
A
ASP
2
62.58
-68.82
36
A
TRP
4
-16.27
-54.62
36
A
HIS
7
-124.55
-146.21
36
A
LYS
8
57.90
-140.44
37
A
ASP
2
61.37
-70.55
37
A
TRP
4
-14.90
-56.19
37
A
LYS
8
-64.02
-144.96
37
A
LEU
10
-47.15
95.00
38
A
ASP
2
62.72
-68.37
38
A
TRP
4
-15.77
-56.07
38
A
HIS
7
-122.85
-116.65
38
A
LYS
8
59.73
161.87
38
A
ALA
9
-46.93
95.32
39
A
ASP
2
61.45
-70.26
39
A
TRP
4
-16.58
-55.17
39
A
LYS
8
-87.71
-159.19
39
A
ALA
9
-57.41
104.93
39
A
LEU
10
-177.42
126.46
40
A
ASP
2
59.77
-68.18
40
A
TRP
4
-15.44
-56.02
40
A
HIS
7
-126.52
-72.83
40
A
LYS
8
43.68
-157.61
LOCAL INTERACTIONS DRIVE THE FORMATION OF NON-NATIVE STRUCTURE IN THE DENATURED STATE OF HUMAN ALPHA-LACTALBUMIN: A HIGH RESOLUTION STRUCTURAL CHARACTERIZATION OF A PEPTIDE MODEL IN AQUEOUS SOLUTION
1
N
N
A
TRP
4
A
TRP
5
HELX_P
A
HIS
7
A
HIS
8
1
1
4
covale
1.305
both
A
ACE
0
A
C
ACE
1
1_555
A
ILE
1
A
N
ILE
2
1_555
covale
1.306
both
A
ALA
11
A
C
ALA
12
1_555
A
NH2
12
A
N
NH2
13
1_555
MOLTEN GLOBULE STATE
MOLTEN GLOBULE STATE, PROTEIN FOLDING, NON-NATIVE INTERACTIONS, ALPHA- LACTALBUMIN
LALBA_HUMAN
UNP
1
P00709
120
130
1CB3
1
11
P00709
A
1
2
12
1
CYS
SEE REMARK 999
ALA
11
1CB3
A
P00709
UNP
130
12
BINDING SITE FOR RESIDUE NH2 A 12
A
NH2
12
Software
2
A
LEU
10
A
LEU
11
2
1_555
A
ALA
11
A
ALA
12
2
1_555
1
P 1