0.021608
0.000000
0.010816
0.000000
0.109051
0.000000
0.000000
0.000000
0.044288
0.000000
0.000000
0.000000
Gessmann, R.
Axford, D.
Petratos, K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
116.59
90.00
46.280
9.170
25.250
C2 H4 O
44.053
ACETYL GROUP
non-polymer
C4 H9 N O2
103.120
n
ALPHA-AMINOISOBUTYRIC ACID
L-peptide linking
C5 H11 N O2
117.146
D-ISOVALINE
D-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
H2 O
18.015
WATER
non-polymer
C5 H9 N O3
131.130
n
4-HYDROXYPROLINE
HYDROXYPROLINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C9 H13 N O
151.206
n
L-PHENYLALANINOL
bound form of Phenylalaninal
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
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
N
C
N
10
N
C
N
11
N
O
N
12
N
O
N
13
N
C
N
14
N
C
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
H
N
22
N
H
N
23
N
H
N
24
N
N
N
25
R
C
N
26
N
C
N
27
N
C
N
28
N
C
N
29
N
C
N
30
N
O
N
31
N
O
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
H
N
42
N
H
N
43
N
N
N
44
S
C
N
45
N
C
N
46
N
O
N
47
N
C
N
48
N
C
N
49
N
C
N
50
N
O
N
51
N
N
N
52
N
O
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
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
N
N
64
N
C
N
65
N
C
N
66
N
O
N
67
N
O
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
O
N
74
N
H
N
75
N
H
N
76
N
N
N
77
S
C
N
78
N
C
N
79
N
O
N
80
N
C
N
81
R
C
N
82
N
C
N
83
N
O
N
84
N
O
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
Y
121
N
C
Y
122
N
C
Y
123
N
C
Y
124
N
C
Y
125
N
C
Y
126
N
C
N
127
N
O
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
N
N
140
S
C
N
141
N
C
N
142
N
O
N
143
N
C
Y
144
N
C
Y
145
N
C
Y
146
N
C
Y
147
N
C
Y
148
N
C
Y
149
N
C
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
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
N
N
164
S
C
N
165
N
C
N
166
N
O
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
O
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
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
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
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
doub
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
sing
N
46
N
doub
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
sing
N
54
N
doub
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
doub
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
sing
N
75
N
sing
N
76
N
doub
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
doub
N
95
N
sing
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
doub
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
Y
120
N
doub
Y
121
N
sing
Y
122
N
sing
N
123
N
sing
Y
124
N
doub
N
125
N
sing
Y
126
N
doub
N
127
N
sing
Y
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
sing
N
143
N
sing
N
144
N
sing
Y
145
N
doub
Y
146
N
sing
Y
147
N
sing
N
148
N
sing
Y
149
N
doub
N
150
N
sing
Y
151
N
doub
N
152
N
sing
Y
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
doub
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
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
UK
J.Pept.Sci.
JPSIEI
1225
1075-2617
18
678
684
10.1002/psc.2454
23019149
The crystal structure of samarosporin I at atomic resolution.
2012
10.2210/pdb4g14/pdb
pdb_00004g14
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
PIXEL
2012-03-03
DECTRIS PILATUS 6M
ACCEL FIXED EXIT DOUBLE CRYSTAL
SINGLE WAVELENGTH
M
x-ray
1
0.7293
1.0
I24
Diamond
0.7293
SYNCHROTRON
DIAMOND BEAMLINE I24
1557.876
SAMAROSPORIN I
1
nat
polymer
18.015
water
2
nat
water
EMERIMICIN IV, STILBELLIN I
no
yes
(ACE)F(AIB)(AIB)(AIB)VGL(AIB)(AIB)(HYP)Q(DIV)(HYP)(AIB)(PHL)
XFAAAVGLAAPQVPAF
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
sample
samarospora rostrup
F-7762
1
1.52
18.4
EVAPORATION
methanol/water, EVAPORATION, temperature 293K
293
pdbx_database_related
chem_comp
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
chem_comp_atom
chem_comp_bond
repository
Initial release
Database references
Database references
Structure summary
Data collection
Database references
Data collection
Database references
Derived calculations
Refinement description
Structure summary
Data collection
1
0
2012-10-03
1
1
2012-10-31
1
2
2012-12-26
1
3
2018-07-18
1
4
2023-09-13
1
5
2023-12-06
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_chem_comp_atom.atom_id
_chem_comp_bond.atom_id_2
Antiamoebin in Methanol/water
Cephaibol A
Cephaibol B
Cephaibol C
Samarosporin I
RCSB
Y
RCSB
2012-07-10
REL
REL
HOH
water
SAMAROSPORIN I/EMERIMICIN IV IS LINEAR PEPTIDE, A MEMBER OF THE PEPT
FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES.
HERE, SAMAROSPORIN I/EMERIMICIN IV IS REPRESENTED BY THE SEQUENCE (SEQRES)
THE N-TERM IS ACETYLATED (RESIDUE 0)
4G13
PDB ENTRY 4G13
PDB
experimental model
Antibiotic
SAMAROSPORIN I
Peptaibol
HOH
21
2
HOH
HOH
101
A
HOH
20
2
HOH
HOH
102
A
ACE
0
n
1
ACE
0
A
PHE
1
n
2
PHE
1
A
AIB
2
n
3
AIB
2
A
AIB
3
n
4
AIB
3
A
AIB
4
n
5
AIB
4
A
VAL
5
n
6
VAL
5
A
GLY
6
n
7
GLY
6
A
LEU
7
n
8
LEU
7
A
AIB
8
n
9
AIB
8
A
AIB
9
n
10
AIB
9
A
HYP
10
n
11
HYP
10
A
GLN
11
n
12
GLN
11
A
DIV
12
n
13
DIV
12
A
HYP
13
n
14
HYP
13
A
AIB
14
n
15
AIB
14
A
PHL
15
n
16
PHL
15
A
0.123
0.112
0.120
0.157
0.171
166
206
5
5
3432
software_defined_assembly
PISA
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
-4.75
0.70
120.80
116.05
A
A
A
CB
CG
CD2
PHE
PHE
PHE
1
1
1
N
0.171
0.12
0.123
1.09
22.59
1022
206
4194
4194
1001
5
99.2
random
1
0
MOLECULAR REPLACEMENT
PDB ENTRY 4G13
Engh & Huber
BABINET
112
114
1.09
22.59
2
114
0
0
112
1.09
22.59
4G14
4194
4194
0.0
0.0
1
4.2
3.0
99.2
1.09
1.12
2.6
1
3.1
99.2
refinement
SHELXL-97
data reduction
xia2
data scaling
xia2
Crystal structure of samarosporin I at 293K
1
N
N
2
N
N
AS PER AUTHORS THE BIOLOGICAL ASSEMBLY IS MULTIMERIC OF UNKNOWN STOICHIOMETRY
A
PHE
1
A
PHE
2
HELX_P
A
HYP
10
A
HYP
11
1
1
10
A
GLN
11
A
GLN
12
HELX_P
A
PHL
15
A
PHL
16
5
2
5
covale
1.400
both
A
ACE
0
A
C
ACE
1
1_555
A
PHE
1
A
N
PHE
2
1_555
covale
1.272
both
A
PHE
1
A
C
PHE
2
1_555
A
AIB
2
A
N
AIB
3
1_555
covale
1.332
both
A
AIB
2
A
C
AIB
3
1_555
A
AIB
3
A
N
AIB
4
1_555
covale
1.336
both
sing
A
AIB
3
A
C
AIB
4
1_555
A
AIB
4
A
N
AIB
5
1_555
covale
1.326
both
A
AIB
4
A
C
AIB
5
1_555
A
VAL
5
A
N
VAL
6
1_555
covale
1.336
both
A
LEU
7
A
C
LEU
8
1_555
A
AIB
8
A
N
AIB
9
1_555
covale
1.340
both
A
AIB
8
A
C
AIB
9
1_555
A
AIB
9
A
N
AIB
10
1_555
covale
1.350
both
A
AIB
9
A
C
AIB
10
1_555
A
HYP
10
A
N
HYP
11
1_555
covale
1.350
both
A
HYP
10
A
C
HYP
11
1_555
A
GLN
11
A
N
GLN
12
1_555
covale
1.355
both
A
GLN
11
A
C
GLN
12
1_555
A
DIV
12
A
N
DIV
13
1_555
covale
1.354
both
A
DIV
12
A
C
DIV
13
1_555
A
HYP
13
A
N
HYP
14
1_555
covale
1.317
both
A
HYP
13
A
C
HYP
14
1_555
A
AIB
14
A
N
AIB
15
1_555
covale
1.336
both
A
AIB
14
A
C
AIB
15
1_555
A
PHL
15
A
N
PHL
16
1_555
ANTIBIOTIC
peptaibol, 3(10)-alpha Helix, antibiotic peptide, membrane, extracellular, ANTIBIOTIC
NOR00986
NOR
1
NOR00986
XFAAAVGLAAPQVPAF
0
15
4G14
0
15
NOR00986
A
1
1
16
5
C 1 2 1