1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
TYR A 24 - ARG A 25 MODEL 1 OMEGA =228.97 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
CYS A 29 - ASP A 30 MODEL 1 OMEGA = 17.57 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
GLU A 41 - LEU A 42 MODEL 2 OMEGA =134.97 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
LYS A 38 - VAL A 39 MODEL 3 OMEGA =145.32 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
TYR A 24 - ARG A 25 MODEL 4 OMEGA = 9.57 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
VAL A 39 - VAL A 40 MODEL 4 OMEGA =210.33 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
VAL A 40 - GLU A 41 MODEL 4 OMEGA =128.73 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
Basus, V.J.
Song, G.
Hawrot, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
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 H10 N2 O3
146.144
y
GLUTAMINE
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 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
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
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
32
12290
12298
10.1021/bi00097a004
8241115
NMR solution structure of an alpha-bungarotoxin/nicotinic receptor peptide complex.
1993
UK
Proc.R.Soc.London,Ser.B
PRLBA4
0338
0080-4649
241
207
213
The Role of Tyrosine at the Ligand-Binding Site of the Nicotinic Acetylcholine Receptor
1990
US
Biochemistry
BICHAW
0033
0006-2960
27
2763
2771
Structural Studies of Alpha-Bungarotoxin. 1. Sequence-Specific 1H NMR Resonance Assignments
1988
10.2210/pdb1abt/pdb
pdb_00001abt
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
8005.281
ALPHA-BUNGAROTOXIN
1
man
polymer
1517.726
NICOTINIC RECEPTOR PEPTIDE
1
man
polymer
no
no
IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG
IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG
A
polypeptide(L)
no
no
KHWVYYTCCPDT
KHWVYYTCCPDT
B
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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_database_status
pdbx_struct_assembly
pdbx_struct_oper_list
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Other
1
0
1994-01-31
1
1
2008-03-24
1
2
2011-07-13
1
3
2022-02-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
Y
BNL
1993-11-17
REL
REL
4
NOE DATA CAME FROM SPECTRA COLLECTED AT 35 DEGREES AND AT 25 DEGREES CELSIUS, PH 5.8. A LIST OF ALL NMR CONSTRAINTS WAS DEPOSITED IN THE PROTEIN DATA BANK TOGETHER WITH THE STRUCTURE LIST. THESE CONSTRAINTS CONSISTED OF 365 INTRAMOLECULAR CONSTRAINTS (146 LONG-RANGE, 155 SEQUENTIAL AND 64 DIHEDRAL ANGLES), AND 24 INTERMOLECULAR CONSTRAINTS BETWEEN THE 74 RESIDUES OF BGTX AND THE FIRST 6 RESIDUES OF THE 12 RESIDUE PEPTIDE FRAGMENT OF NACHR USED IN THIS STUDY (LISTED HERE AS RESIDUES 75 B - 80 B). THE COORDINATES THAT FOLLOW ARE IN FOUR SEPARATE MODELS. THE 12 RESIDUE PEPTIDE FRAGMENT OF NACHR HAS BEEN MODELED FOR ONLY THE FIRST SIX RESIDUES AND HAS BEEN NUMBERED AS A CONTINUATION OF THE NUMBERS FOR THE BGTX PORTION OF THE COMPLEX AND GIVEN THE CHAIN IDENTIFIER 'B', AFTER THE TER ENTRY SEPARATING THE COORDINATES OF THE TWO COMPONENTS OF THE COMPLEX. THE AVERAGE RMS DEVIATION OF THE BACKBONE ATOMS, WHEN MATCHED IN A PAIRWISE MANNER, IS 2.6 ANGSTROMS, WITH THE POORLY DEFINED REGIONS OF RESIDUES 30 A - 38 A, AND 69 A - 74 A OF BGTX EXCLUDED. RESTRAINT VIOLATIONS: VIOLATIONS WERE CATEGORIZED ACCORDING TO SIZE. THE TOTAL NUMBER OF VIOLATIONS IN EACH CATEGORY WAS ADDED, AND THAT NUMBER DIVIDED BY 4 TO DETERMINE THE AVERAGE NUMBER OF VIOLATIONS PER STRUCTURE FOR EACH CATEGORY. VIOLATION RANGE AVERAGE NUMBER OF VIOLATIONS (ANGSTROMS) VIOLATION >0.7 5.0 0.7>=VIOLATION >0.6 6.0 0.6>=VIOLATION >0.5 5.75 0.5>=VIOLATION >0.4 9.5 0.4>=VIOLATION >0.3 17.0 0.3>=VIOLATION >0.2 16.5 0.2>=VIOLATION >0.1 18.0. TO SIMPLIFY THE CALCULATIONS, ONLY THE FIRST SIX AMINO ACIDS (185 - 190) OF THE DODECAPEPTIDE WERE INCORPORATED INTO THE STRUCTURE OF THE COMPLEX. THIS WAS APPROPRIATE AS NO INTERMOLECULAR NOE'S AND NO LONG-RANGE INTRAMOLECULAR NOE'S WERE ASSIGNED INVOLVING PEPTIDE RESIDUES 191 - 196. THE COORDINATES ARE PRESENTED IN FOUR SEPARATE MODELS, WITH TER STATEMENTS TO SEPARATE THE BGTX PART OF THE COMPLEX FROM THE NACHR PORTION OF THE COMPLEX. ALL STRUCTURES WERE MATCHED IN CARTESIAN SPACE SUCH THAT THE RMSD BETWEEN THEM WAS MINIMIZED, WITH THE EXCLUSION OF RESIDUES 30 A - 38 A, AND 69 A - 74 A OF BGTX.
KUNTZ
refinement
VEMBED
VAN GUNSTEREN
refinement
GROMOS-87
ILE
1
n
1
ILE
1
A
VAL
2
n
2
VAL
2
A
CYS
3
n
3
CYS
3
A
HIS
4
n
4
HIS
4
A
THR
5
n
5
THR
5
A
THR
6
n
6
THR
6
A
ALA
7
n
7
ALA
7
A
THR
8
n
8
THR
8
A
SER
9
n
9
SER
9
A
PRO
10
n
10
PRO
10
A
ILE
11
n
11
ILE
11
A
SER
12
n
12
SER
12
A
ALA
13
n
13
ALA
13
A
VAL
14
n
14
VAL
14
A
THR
15
n
15
THR
15
A
CYS
16
n
16
CYS
16
A
PRO
17
n
17
PRO
17
A
PRO
18
n
18
PRO
18
A
GLY
19
n
19
GLY
19
A
GLU
20
n
20
GLU
20
A
ASN
21
n
21
ASN
21
A
LEU
22
n
22
LEU
22
A
CYS
23
n
23
CYS
23
A
TYR
24
n
24
TYR
24
A
ARG
25
n
25
ARG
25
A
LYS
26
n
26
LYS
26
A
MET
27
n
27
MET
27
A
TRP
28
n
28
TRP
28
A
CYS
29
n
29
CYS
29
A
ASP
30
n
30
ASP
30
A
ALA
31
n
31
ALA
31
A
PHE
32
n
32
PHE
32
A
CYS
33
n
33
CYS
33
A
SER
34
n
34
SER
34
A
SER
35
n
35
SER
35
A
ARG
36
n
36
ARG
36
A
GLY
37
n
37
GLY
37
A
LYS
38
n
38
LYS
38
A
VAL
39
n
39
VAL
39
A
VAL
40
n
40
VAL
40
A
GLU
41
n
41
GLU
41
A
LEU
42
n
42
LEU
42
A
GLY
43
n
43
GLY
43
A
CYS
44
n
44
CYS
44
A
ALA
45
n
45
ALA
45
A
ALA
46
n
46
ALA
46
A
THR
47
n
47
THR
47
A
CYS
48
n
48
CYS
48
A
PRO
49
n
49
PRO
49
A
SER
50
n
50
SER
50
A
LYS
51
n
51
LYS
51
A
LYS
52
n
52
LYS
52
A
PRO
53
n
53
PRO
53
A
TYR
54
n
54
TYR
54
A
GLU
55
n
55
GLU
55
A
GLU
56
n
56
GLU
56
A
VAL
57
n
57
VAL
57
A
THR
58
n
58
THR
58
A
CYS
59
n
59
CYS
59
A
CYS
60
n
60
CYS
60
A
SER
61
n
61
SER
61
A
THR
62
n
62
THR
62
A
ASP
63
n
63
ASP
63
A
LYS
64
n
64
LYS
64
A
CYS
65
n
65
CYS
65
A
ASN
66
n
66
ASN
66
A
PRO
67
n
67
PRO
67
A
HIS
68
n
68
HIS
68
A
PRO
69
n
69
PRO
69
A
LYS
70
n
70
LYS
70
A
GLN
71
n
71
GLN
71
A
ARG
72
n
72
ARG
72
A
PRO
73
n
73
PRO
73
A
GLY
74
n
74
GLY
74
A
LYS
75
n
1
LYS
75
B
HIS
76
n
2
HIS
76
B
TRP
77
n
3
TRP
77
B
VAL
78
n
4
VAL
78
B
TYR
79
n
5
TYR
79
B
TYR
80
n
6
TYR
80
B
n
7
81
B
n
8
82
B
n
9
83
B
n
10
84
B
n
11
85
B
n
12
86
B
author_defined_assembly
2
dimeric
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
A
N
THR
5
A
N
THR
5
A
O
SER
12
A
O
SER
12
A
O
ALA
45
A
O
ALA
45
A
N
LEU
22
A
N
LEU
22
A
N
MET
27
A
N
MET
27
A
O
GLU
56
A
O
GLU
56
1
B
THR
81
B
THR
7
1
Y
1
B
CYS
82
B
CYS
8
1
Y
1
B
CYS
83
B
CYS
9
1
Y
1
B
PRO
84
B
PRO
10
1
Y
1
B
ASP
85
B
ASP
11
1
Y
1
B
THR
86
B
THR
12
1
Y
2
B
THR
81
B
THR
7
1
Y
2
B
CYS
82
B
CYS
8
1
Y
2
B
CYS
83
B
CYS
9
1
Y
2
B
PRO
84
B
PRO
10
1
Y
2
B
ASP
85
B
ASP
11
1
Y
2
B
THR
86
B
THR
12
1
Y
3
B
THR
81
B
THR
7
1
Y
3
B
CYS
82
B
CYS
8
1
Y
3
B
CYS
83
B
CYS
9
1
Y
3
B
PRO
84
B
PRO
10
1
Y
3
B
ASP
85
B
ASP
11
1
Y
3
B
THR
86
B
THR
12
1
Y
4
B
THR
81
B
THR
7
1
Y
4
B
CYS
82
B
CYS
8
1
Y
4
B
CYS
83
B
CYS
9
1
Y
4
B
PRO
84
B
PRO
10
1
Y
4
B
ASP
85
B
ASP
11
1
Y
4
B
THR
86
B
THR
12
1
Y
1
A
GLU
56
11.41
3
A
HIS
4
10.34
3
A
THR
5
11.03
3
A
ALA
7
-10.34
3
A
SER
12
10.34
3
A
TYR
24
10.32
3
A
ARG
36
11.42
3
A
LYS
38
15.60
3
A
PRO
49
10.99
3
A
LYS
51
-10.60
3
A
CYS
65
-12.44
4
A
VAL
40
11.33
1
A
A
TYR
ARG
24
25
-131.03
2
A
A
GLU
LEU
41
42
134.97
3
A
A
LYS
VAL
38
39
145.32
4
A
A
VAL
VAL
39
40
-149.67
4
A
A
VAL
GLU
40
41
128.73
1
A
HIS
4
0.162
SIDE CHAIN
1
A
TYR
24
0.146
SIDE CHAIN
1
A
PHE
32
0.078
SIDE CHAIN
1
A
TYR
54
0.096
SIDE CHAIN
1
A
HIS
68
0.135
SIDE CHAIN
1
B
TYR
80
0.067
SIDE CHAIN
2
A
TYR
24
0.146
SIDE CHAIN
2
B
TYR
79
0.094
SIDE CHAIN
3
A
TYR
24
0.065
SIDE CHAIN
3
B
TYR
79
0.193
SIDE CHAIN
3
B
TYR
80
0.069
SIDE CHAIN
4
A
ARG
36
0.073
SIDE CHAIN
4
A
HIS
68
0.101
SIDE CHAIN
1
16.61
2.70
111.00
127.61
A
A
A
N
CA
C
TYR
TYR
TYR
24
24
24
N
2
-4.80
0.60
121.00
116.20
A
A
A
CB
CG
CD2
TYR
TYR
TYR
24
24
24
N
2
3.13
0.50
120.30
123.43
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
2
-3.74
0.60
121.00
117.26
B
B
B
CB
CG
CD2
TYR
TYR
TYR
79
79
79
N
3
3.95
0.50
120.30
124.25
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
3
-3.94
0.60
121.00
117.06
A
A
A
CB
CG
CD2
TYR
TYR
TYR
54
54
54
N
3
-5.25
0.60
121.00
115.75
B
B
B
CB
CG
CD2
TYR
TYR
TYR
79
79
79
N
4
12.52
1.90
113.40
125.92
A
A
A
CA
CB
CG
TYR
TYR
TYR
24
24
24
N
4
-6.21
0.60
121.00
114.79
A
A
A
CB
CG
CD2
TYR
TYR
TYR
24
24
24
N
4
4.33
0.60
121.00
125.33
A
A
A
CB
CG
CD1
TYR
TYR
TYR
24
24
24
N
4
3.16
0.50
120.30
123.46
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
4
-5.23
0.60
121.00
115.77
B
B
B
CB
CG
CD2
TYR
TYR
TYR
79
79
79
N
1
A
CYS
3
-131.50
-138.70
1
A
ALA
13
-68.85
81.59
1
A
THR
15
-69.73
94.43
1
A
GLU
20
-119.26
-163.54
1
A
ASN
21
-65.75
13.90
1
A
TYR
24
-18.63
-84.80
1
A
ARG
25
-2.20
82.64
1
A
TRP
28
-146.34
-156.55
1
A
CYS
29
-25.34
116.38
1
A
ASP
30
72.36
87.68
1
A
PHE
32
23.10
43.71
1
A
CYS
33
26.40
51.78
1
A
SER
34
-166.74
-90.85
1
A
ARG
36
70.41
100.85
1
A
VAL
39
-67.13
95.62
1
A
PRO
53
-59.40
108.82
1
A
TYR
54
-64.76
88.74
1
A
SER
61
-79.23
-73.50
1
A
ASP
63
71.97
76.38
1
A
LYS
64
59.55
-76.00
1
A
CYS
65
56.64
-64.20
1
A
HIS
68
-18.45
-66.78
1
A
PRO
69
-66.47
-178.35
1
A
GLN
71
-66.03
75.33
2
A
CYS
3
-169.87
-124.05
2
A
THR
6
55.67
-77.24
2
A
ALA
7
-0.58
-80.63
2
A
THR
8
-78.39
37.19
2
A
PRO
10
-69.23
79.21
2
A
ILE
11
65.30
114.83
2
A
THR
15
-57.42
109.40
2
A
GLU
20
20.15
53.12
2
A
LYS
26
179.76
-161.81
2
A
ALA
31
72.56
-53.70
2
A
PHE
32
-49.63
-98.46
2
A
CYS
33
62.97
-78.55
2
A
ARG
36
63.23
105.77
2
A
LYS
38
51.10
82.73
2
A
GLU
41
-165.76
-167.68
2
A
LEU
42
179.36
164.29
2
A
ALA
46
-62.44
5.62
2
A
PRO
49
-66.59
88.51
2
A
LYS
51
84.40
-5.24
2
A
PRO
53
-54.18
106.95
2
A
TYR
54
-65.88
88.71
2
A
ASP
63
46.44
-160.45
2
A
LYS
64
-67.74
58.24
2
A
LYS
70
-28.56
-77.37
2
A
GLN
71
56.50
-37.59
2
B
TYR
79
-100.30
61.72
3
A
THR
6
54.86
13.92
3
A
THR
8
-171.65
-159.83
3
A
PRO
10
-17.20
89.38
3
A
ILE
11
62.78
66.41
3
A
VAL
14
-119.63
-86.65
3
A
GLU
20
81.07
-59.11
3
A
TRP
28
-137.88
-125.28
3
A
ASP
30
5.11
-78.46
3
A
PHE
32
56.13
-26.55
3
A
CYS
33
85.29
-7.03
3
A
SER
35
-123.11
-116.03
3
A
PRO
49
-63.54
87.37
3
A
GLU
55
54.54
-102.14
3
A
THR
62
73.05
-70.71
3
A
LYS
64
-47.80
82.25
3
A
CYS
65
-115.64
-88.24
3
A
ASN
66
-51.92
85.36
3
A
HIS
68
86.70
-68.17
3
A
PRO
69
-48.74
99.16
3
B
TRP
77
52.93
100.93
4
A
HIS
4
-18.89
89.40
4
A
THR
6
32.08
25.70
4
A
ILE
11
-22.29
107.18
4
A
THR
15
-68.50
95.02
4
A
LEU
22
22.91
-108.02
4
A
TYR
24
-16.29
126.84
4
A
ARG
25
177.59
-51.72
4
A
LYS
26
119.73
-165.14
4
A
ASP
30
-77.35
39.76
4
A
ALA
31
60.86
-49.14
4
A
CYS
33
71.53
-28.74
4
A
SER
35
70.07
-50.25
4
A
LYS
38
-59.93
101.79
4
A
GLU
41
58.75
-22.48
4
A
ALA
45
68.79
-54.53
4
A
THR
47
50.58
112.41
4
A
LYS
51
71.85
-23.64
4
A
GLU
55
78.05
-134.84
4
A
LYS
64
51.40
7.38
4
A
ASN
66
-118.96
55.92
4
A
PRO
69
-67.76
83.69
4
A
LYS
70
3.82
-79.91
4
A
GLN
71
62.00
-53.26
4
A
PRO
73
-66.10
86.08
4
B
HIS
76
-31.50
104.14
4
B
VAL
78
-72.44
38.32
NMR SOLUTION STRUCTURE OF AN ALPHA-BUNGAROTOXIN(SLASH)NICOTINIC RECEPTOR PEPTIDE COMPLEX
1
N
N
2
N
N
A
ASP
30
A
ASP
30
HELX_P
A
SER
34
A
SER
34
5
1
5
disulf
2.031
A
CYS
3
A
SG
CYS
3
1_555
A
CYS
23
A
SG
CYS
23
1_555
disulf
2.035
A
CYS
16
A
SG
CYS
16
1_555
A
CYS
44
A
SG
CYS
44
1_555
disulf
2.041
A
CYS
29
A
SG
CYS
29
1_555
A
CYS
33
A
SG
CYS
33
1_555
disulf
2.035
A
CYS
48
A
SG
CYS
48
1_555
A
CYS
59
A
SG
CYS
59
1_555
disulf
2.041
A
CYS
60
A
SG
CYS
60
1_555
A
CYS
65
A
SG
CYS
65
1_555
TOXIN
TOXIN
A
CYS
29
A
CYS
29
1
A
ASP
30
A
ASP
30
17.57
A
TYR
24
A
TYR
24
4
A
ARG
25
A
ARG
25
9.57
NXL1A_BUNMU
UNP
1
1
P60615
IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG
ACHA_TORCA
UNP
2
1
P02710
MILCSYWHVGLVLLLFSCCGLVLGSEHETRLVANLLENYNKVIRPVEHHTHFVDITVGLQLIQLISVDEVNQIVETNVRL
RQQWIDVRLRWNPADYGGIKKIRLPSDDVWLPDLVLYNNADGDFAIVHMTKLLLDYTGKIMWTPPAIFKSYCEIIVTHFP
FDQQNCTMKLGIWTYDGTKVSISPESDRPDLSTFMESGEWVMKDYRGWKHWVYYTCCPDTPYLDITYHFIMQRIPLYFVV
NVIIPCLLFSFLTGLVFYLPTDSGEKMTLSISVLLSLTVFLLVIVELIPSTSSAVPLIGKYMLFTMIFVISSIIITVVVI
NTHHRSPSTHTMPQWVRKIFIDTIPNVMFFSTMKRASKEKQENKIFADDIDISDISGKQVTGEVIFQTPLIKNPDVKSAI
EGVKYIAEHMKSDEESSNAAEEWKYVAMVIDHILLCVFMLICIIGTVSVFAGRLIELSQEG
1
74
1ABT
1
74
P60615
A
1
1
74
209
220
1ABT
75
86
P02710
B
2
1
12
2
3
anti-parallel
anti-parallel
anti-parallel
A
ILE
1
A
ILE
1
A
THR
5
A
THR
5
A
SER
12
A
SER
12
A
CYS
16
A
CYS
16
A
VAL
39
A
VAL
39
A
ALA
45
A
ALA
45
A
LEU
22
A
LEU
22
A
TRP
28
A
TRP
28
A
GLU
56
A
GLU
56
A
CYS
60
A
CYS
60
1
P 1