0.022169
0.000000
0.010621
0.000000
0.110193
0.000000
0.000000
0.000000
0.044236
0.00000
0.00000
0.00000
Gessmann, R.
Axford, D.
Petratos, K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
115.60
90.00
45.109
9.075
25.067
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
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
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
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
PIXEL
2012-02-24
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
2
1.47
15.6
EVAPORATION
methanol/water, EVAPORATION, temperature 293K
293
pdbx_database_related
repository
Initial release
Database references
Database references
Structure summary
Data collection
Database references
1
0
2012-10-03
1
1
2012-10-31
1
2
2012-12-26
1
3
2018-07-18
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 PEPTAIBOL
FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES.
HERE, SAMAROSPORIN I/EMERIMICIN IV IS REPRESENTED BY THE SEQUENCE (SEQRES)
THE N-TERM IS ACETYLATED (RESIDUE 0)
Antibiotic
SAMAROSPORIN I
Peptaibol
HOH
20
2
HOH
HOH
101
A
HOH
21
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
0.067
0.067
0.078
0.071
0.081
389
466
5
5
7856
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
5.44
0.081
0.078
0.078
0.078
0.80
22.61
1061
466
9272
9272
99
5
91.8
RANDOM
1
0.000
AB INITIO PHASING
Engh & Huber
BABINET
1
112
114
0.80
22.61
2
114
0
0
112
0.8
22.61
4G13
9272
9272
0.0
0.0
1
14.1
6.5
91.8
0.8
0.84
1.8
1
2.2
50.9
phasing
ACORN
refinement
SHELXL-97
data reduction
XDS
data scaling
SCALA
emerimicin IV
Crystal structure of samarosporin I at 100K
1
N
N
2
N
N
AUTHORS STATE THAT THE BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE IN THE MEMBRANE IS UNKNOWN
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
1.345
A
ACE
0
A
C
ACE
1
1_555
A
PHE
1
A
N
PHE
2
1_555
covale
1.338
A
PHE
1
A
C
PHE
2
1_555
A
AIB
2
A
N
AIB
3
1_555
covale
1.351
A
AIB
2
A
C
AIB
3
1_555
A
AIB
3
A
N
AIB
4
1_555
covale
1.329
sing
A
AIB
3
A
C
AIB
4
1_555
A
AIB
4
A
N
AIB
5
1_555
covale
1.347
A
AIB
4
A
C
AIB
5
1_555
A
VAL
5
A
N
VAL
6
1_555
covale
1.332
A
LEU
7
A
C
LEU
8
1_555
A
AIB
8
A
N
AIB
9
1_555
covale
1.343
A
AIB
8
A
C
AIB
9
1_555
A
AIB
9
A
N
AIB
10
1_555
covale
1.349
A
AIB
9
A
C
AIB
10
1_555
A
HYP
10
A
N
HYP
11
1_555
covale
1.338
A
HYP
10
A
C
HYP
11
1_555
A
GLN
11
A
N
GLN
12
1_555
covale
1.327
A
GLN
11
A
C
GLN
12
1_555
A
DIV
12
A
N
DIV
13
1_555
covale
1.337
A
DIV
12
A
C
DIV
13
1_555
A
HYP
13
A
N
HYP
14
1_555
covale
1.345
A
HYP
13
A
C
HYP
14
1_555
A
AIB
14
A
N
AIB
15
1_555
covale
1.349
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
4G13
0
15
NOR00986
A
1
1
16
5
C 1 2 1