1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Clore, G.M.
Gronenborn, A.M.
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
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
29
1689
1696
10.1021/bi00459a004
2184886
Three-dimensional structure of interleukin 8 in solution.
1990
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
264
18907
Determination of the Secondary Structure of Interleukin-8 by Nuclear Magnetic Resonance Spectroscopy
1989
10.2210/pdb1il8/pdb
pdb_00001il8
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
8401.807
INTERLEUKIN-8
2
man
polymer
no
no
SAKELRCQCIKTYSKPFHPKFIKELRVIESGPHCANTEIIVKLSDGRELCLDPKENWVQRVVEKFLKRAENS
SAKELRCQCIKTYSKPFHPKFIKELRVIESGPHCANTEIIVKLSDGRELCLDPKENWVQRVVEKFLKRAENS
A,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
human
Homo
sample
POTENTIAL
9606
Homo sapiens
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
1991-01-15
1
1
2008-03-24
1
2
2011-07-13
1
3
2022-02-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
Y
BNL
1990-03-08
REL
1
STRUCTURE DETERMINATION. THE METHOD USED TO DETERMINE AND
REFINE THE STRUCTURE IS THE HYBRID DISTANCE
GEOMETRY-SIMULATED ANNEALING METHOD (M. NILGES,
G.M. CLORE, A.M. GRONENBORN, FEBS LETT. 229, 317, (1988))
USING THE PROGRAMS *DISGEO* (T.F. HAVEL, QCPE NO. 507,
INDIANA UNIVERSITY) AND *XPLOR* (A.T. BRUNGER, YALE
UNIVERSITY, NEW HAVEN, CT 06511).
STRUCTURAL STATISTICS -
RMS DEVIATION FROM EXPERIMENTAL RESTRAINTS *(1)*
RESTRAINT TYPE NUMBER OF RESTRAINTS RMS (ANGSTROMS)
ALL 1880 0.029
INTRASUBUNIT
SHORT RANGE 784 0.020
INTERRESIDUE
LONG RANGE 370 0.026
INTRARESIDUE 540 0.042
HBOND *(2)* 104 0.028
INTERSUBUNIT
INTERPROTON 70 0.014
HBOND 12 0.000
POTENTIAL ENERGY TERMS
TYPE ENERGY (KCAL/MOL)
F(NOE) *(3)* 48.
F(TOR) *(4)* 0.98
F(REPEL) *(5)* 37.
F(SYM) *(6)* 424.
LENNARD-JONES VAN DER WAALS ENERGY (E(L-J)) CALCULATED
USING THE *CHARMM* EMPIRICAL ENERGY FUNCTION IS
-474 KCAL/MOL. IT IS NOT INCLUDED INTO THE TARGET
FUNCTION FOR SIMULATED ANNEALING.
DEVIATIONS FROM IDEALIZED GEOMETRY *(7)*
TYPE TOTAL NUMBER RMS DEVIATION
BONDS 2392 0.011 (ANGSTROMS)
ANGLES 4362 2.458 (DEGREES)
IMPROPERS 882 0.485 (DEGREES)
NOTES.
*(1)* THE RMS DEVIATION FROM THE EXPERIMENTAL RESTRAINTS
IS CALCULATED WITH RESPECT TO THE UPPER AND
LOWER LIMITS OF THE DISTANCE RESTRAINTS. NONE OF
THE STRUCTURES EXHIBITED VIOLATIONS GREATER THAN
0.3 ANGSTROMS.
*(2)* FOR EACH BACKBONE HYDROGEN BOND THERE ARE TWO
RESTRAINTS - R(NH-O) 1.7 TO 2.3 ANGSTROMS AND
R(N-O) 2.4 TO 3.3 ANGSTROMS.
*(3)* THE VALUES OF THE SQUARE-WELL NOE POTENTIAL
50 KCAL/MOL/ANGSTROM**2.
*(4)* THE VALUES OF F(PHI) ARE CALCULATED WITH A FORCE
CONSTANT OF 200 KCAL/MOL/RAD**2. F(PHI) IS A
SQUARE-WELL DIHEDRAL POTENTIAL WHICH IS USED TO
RESTRICT THE RANGES OF TORSION ANGLES.
*(5)* THE VALUE OF THE VAN DER WAALS REPULSION TERM
F(REPEL) IS CALCULATED WITH A FORCE CONSTANT OF
4 KCAL/MOL/ANGSTROM**4 WITH THE HARD SPHERE
VAN DER WAALS RADII SET TO 0.8 TIMES THE STANDARD
VALUES USED IN THE *CHARMM* EMPIRICAL ENERGY
FUNCTION.
*(6)* F(SYM) IS AN EFFECTIVE HARMONIC POTENTIAL USED TO
MAINTAIN SYMMETRY BETWEEN THE TWO SUBUNITS WITH
A FORCE CONSTANT SET TO 300.0 KCAL/MOL/ANGSTROMS**2
*(7)* THE IMPROPER TERMS SERVE TO MAINTAIN PLANARITY
AND APPROPRIATE CHIRALITY. THEY ALSO MAINTAIN THE
PEPTIDE BONDS OF ALL RESIDUES (WITH THE EXCEPTION
OF PROLINES) IN THE TRANS CONFORMATION. IN THE
DYNAMICAL SIMULATED ANNEALING CALCULATIONS.
A TOTAL OF 30 STRUCTURES CONSISTENT WITH THE NMR DATA
WERE CALCULATED. THIS ENTRY REPRESENTS THE COORDINATES
OBTAINED BY AVERAGING THE COORDINATES OF THE 29 INDIVIDUAL
STRUCTURES AND SUBJECTING THE RESULTING COORDINATES TO
FURTHER RESTRAINED MINIMIZATION. THE COORDINATES OF THE
30 STRUCTURES ARE GIVEN IN THE PROTEIN DATA BANK ENTRY
*2IL8*.
THE 3D STRUCTURE OF THE INTERLEUKIN-8 DIMER IN SOLUTION
DERIVED FROM NMR EXPERIMENTS IS BASED ON 1880 EXPERIMENTAL
DISTANCE RESTRAINTS (OF WHICH 82 ARE INTERSUBUNIT) AND 362
TORSION ANGLE RESTRAINTS DERIVED FROM NOE AND COUPLING
CONSTANT MEASUREMENTS. A COMPLETE LIST OF EXPERIMENTAL
RESTRAINTS HAS BEEN DEPOSITED WITH THE BROOKHAVEN PROTEIN
DATA BANK AND IS LOCATED IN ENTRY R1IL8MR.
THE THERMAL PARAMETERS GIVEN IN THIS ENTRY REPRESENT THE
AVERAGE RMS DIFFERENCE BETWEEN THE INDIVIDUAL STRUCTURES
AND THE MEAN COORDINATE POSITIONS.
THE FIVE N-TERMINAL RESIDUES ARE ILL-DEFINED.
THE CYS 9 - CYS 50 DISULFIDE BRIDGE IS LEFT-HANDED.
HAVEL
refinement
DISGEO
BRUNGER
refinement
X-PLOR
n
1
1
A
ALA
2
n
2
ALA
2
A
LYS
3
n
3
LYS
3
A
GLU
4
n
4
GLU
4
A
LEU
5
n
5
LEU
5
A
ARG
6
n
6
ARG
6
A
CYS
7
n
7
CYS
7
A
GLN
8
n
8
GLN
8
A
CYS
9
n
9
CYS
9
A
ILE
10
n
10
ILE
10
A
LYS
11
n
11
LYS
11
A
THR
12
n
12
THR
12
A
TYR
13
n
13
TYR
13
A
SER
14
n
14
SER
14
A
LYS
15
n
15
LYS
15
A
PRO
16
n
16
PRO
16
A
PHE
17
n
17
PHE
17
A
HIS
18
n
18
HIS
18
A
PRO
19
n
19
PRO
19
A
LYS
20
n
20
LYS
20
A
PHE
21
n
21
PHE
21
A
ILE
22
n
22
ILE
22
A
LYS
23
n
23
LYS
23
A
GLU
24
n
24
GLU
24
A
LEU
25
n
25
LEU
25
A
ARG
26
n
26
ARG
26
A
VAL
27
n
27
VAL
27
A
ILE
28
n
28
ILE
28
A
GLU
29
n
29
GLU
29
A
SER
30
n
30
SER
30
A
GLY
31
n
31
GLY
31
A
PRO
32
n
32
PRO
32
A
HIS
33
n
33
HIS
33
A
CYS
34
n
34
CYS
34
A
ALA
35
n
35
ALA
35
A
ASN
36
n
36
ASN
36
A
THR
37
n
37
THR
37
A
GLU
38
n
38
GLU
38
A
ILE
39
n
39
ILE
39
A
ILE
40
n
40
ILE
40
A
VAL
41
n
41
VAL
41
A
LYS
42
n
42
LYS
42
A
LEU
43
n
43
LEU
43
A
SER
44
n
44
SER
44
A
ASP
45
n
45
ASP
45
A
GLY
46
n
46
GLY
46
A
ARG
47
n
47
ARG
47
A
GLU
48
n
48
GLU
48
A
LEU
49
n
49
LEU
49
A
CYS
50
n
50
CYS
50
A
LEU
51
n
51
LEU
51
A
ASP
52
n
52
ASP
52
A
PRO
53
n
53
PRO
53
A
LYS
54
n
54
LYS
54
A
GLU
55
n
55
GLU
55
A
ASN
56
n
56
ASN
56
A
TRP
57
n
57
TRP
57
A
VAL
58
n
58
VAL
58
A
GLN
59
n
59
GLN
59
A
ARG
60
n
60
ARG
60
A
VAL
61
n
61
VAL
61
A
VAL
62
n
62
VAL
62
A
GLU
63
n
63
GLU
63
A
LYS
64
n
64
LYS
64
A
PHE
65
n
65
PHE
65
A
LEU
66
n
66
LEU
66
A
LYS
67
n
67
LYS
67
A
ARG
68
n
68
ARG
68
A
ALA
69
n
69
ALA
69
A
GLU
70
n
70
GLU
70
A
ASN
71
n
71
ASN
71
A
SER
72
n
72
SER
72
A
n
1
1
B
ALA
2
n
2
ALA
2
B
LYS
3
n
3
LYS
3
B
GLU
4
n
4
GLU
4
B
LEU
5
n
5
LEU
5
B
ARG
6
n
6
ARG
6
B
CYS
7
n
7
CYS
7
B
GLN
8
n
8
GLN
8
B
CYS
9
n
9
CYS
9
B
ILE
10
n
10
ILE
10
B
LYS
11
n
11
LYS
11
B
THR
12
n
12
THR
12
B
TYR
13
n
13
TYR
13
B
SER
14
n
14
SER
14
B
LYS
15
n
15
LYS
15
B
PRO
16
n
16
PRO
16
B
PHE
17
n
17
PHE
17
B
HIS
18
n
18
HIS
18
B
PRO
19
n
19
PRO
19
B
LYS
20
n
20
LYS
20
B
PHE
21
n
21
PHE
21
B
ILE
22
n
22
ILE
22
B
LYS
23
n
23
LYS
23
B
GLU
24
n
24
GLU
24
B
LEU
25
n
25
LEU
25
B
ARG
26
n
26
ARG
26
B
VAL
27
n
27
VAL
27
B
ILE
28
n
28
ILE
28
B
GLU
29
n
29
GLU
29
B
SER
30
n
30
SER
30
B
GLY
31
n
31
GLY
31
B
PRO
32
n
32
PRO
32
B
HIS
33
n
33
HIS
33
B
CYS
34
n
34
CYS
34
B
ALA
35
n
35
ALA
35
B
ASN
36
n
36
ASN
36
B
THR
37
n
37
THR
37
B
GLU
38
n
38
GLU
38
B
ILE
39
n
39
ILE
39
B
ILE
40
n
40
ILE
40
B
VAL
41
n
41
VAL
41
B
LYS
42
n
42
LYS
42
B
LEU
43
n
43
LEU
43
B
SER
44
n
44
SER
44
B
ASP
45
n
45
ASP
45
B
GLY
46
n
46
GLY
46
B
ARG
47
n
47
ARG
47
B
GLU
48
n
48
GLU
48
B
LEU
49
n
49
LEU
49
B
CYS
50
n
50
CYS
50
B
LEU
51
n
51
LEU
51
B
ASP
52
n
52
ASP
52
B
PRO
53
n
53
PRO
53
B
LYS
54
n
54
LYS
54
B
GLU
55
n
55
GLU
55
B
ASN
56
n
56
ASN
56
B
TRP
57
n
57
TRP
57
B
VAL
58
n
58
VAL
58
B
GLN
59
n
59
GLN
59
B
ARG
60
n
60
ARG
60
B
VAL
61
n
61
VAL
61
B
VAL
62
n
62
VAL
62
B
GLU
63
n
63
GLU
63
B
LYS
64
n
64
LYS
64
B
PHE
65
n
65
PHE
65
B
LEU
66
n
66
LEU
66
B
LYS
67
n
67
LYS
67
B
ARG
68
n
68
ARG
68
B
ALA
69
n
69
ALA
69
B
GLU
70
n
70
GLU
70
B
ASN
71
n
71
ASN
71
B
SER
72
n
72
SER
72
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
LEU
51
A
N
LEU
51
A
O
ILE
39
A
O
ILE
39
A
O
LYS
42
A
O
LYS
42
A
N
LYS
23
A
N
LYS
23
A
O
VAL
27
A
O
VAL
27
B
N
LEU
25
B
N
LEU
25
B
N
ILE
28
B
N
ILE
28
B
O
GLU
38
B
O
GLU
38
B
N
LEU
43
B
N
LEU
43
B
O
ARG
47
B
O
ARG
47
1
A
SER
1
A
SER
1
1
Y
1
B
SER
1
B
SER
1
1
Y
1
A
ARG
6
0.319
SIDE CHAIN
1
A
ARG
26
0.221
SIDE CHAIN
1
A
ARG
47
0.307
SIDE CHAIN
1
A
ARG
60
0.212
SIDE CHAIN
1
B
ARG
6
0.319
SIDE CHAIN
1
B
ARG
26
0.221
SIDE CHAIN
1
B
ARG
47
0.307
SIDE CHAIN
1
B
ARG
60
0.211
SIDE CHAIN
1
-6.27
1.00
110.10
103.83
A
A
A
CG
CD1
NE1
TRP
TRP
TRP
57
57
57
N
1
5.45
0.90
109.00
114.45
A
A
A
CD1
NE1
CE2
TRP
TRP
TRP
57
57
57
N
1
8.90
1.10
130.40
139.30
A
A
A
NE1
CE2
CZ2
TRP
TRP
TRP
57
57
57
N
1
-6.94
1.00
107.30
100.36
A
A
A
NE1
CE2
CD2
TRP
TRP
TRP
57
57
57
N
1
-6.36
1.00
110.10
103.74
B
B
B
CG
CD1
NE1
TRP
TRP
TRP
57
57
57
N
1
5.54
0.90
109.00
114.54
B
B
B
CD1
NE1
CE2
TRP
TRP
TRP
57
57
57
N
1
8.96
1.10
130.40
139.36
B
B
B
NE1
CE2
CZ2
TRP
TRP
TRP
57
57
57
N
1
-6.99
1.00
107.30
100.31
B
B
B
NE1
CE2
CD2
TRP
TRP
TRP
57
57
57
N
1
A
A
NE2
CD2
HIS
HIS
18
18
-0.077
0.011
1.373
1.296
N
1
A
A
CG
CD2
TRP
TRP
57
57
-0.108
0.017
1.432
1.324
N
1
B
B
NE2
CD2
HIS
HIS
18
18
-0.076
0.011
1.373
1.297
N
1
B
B
CG
CD2
TRP
TRP
57
57
-0.109
0.017
1.432
1.323
N
1
A
LYS
3
-130.83
-66.47
1
A
SER
14
-99.09
37.77
1
A
ASN
36
-140.28
-149.48
1
A
ASP
45
-59.09
-6.30
1
A
PRO
53
-59.25
-2.53
1
B
LYS
3
-130.81
-66.54
1
B
SER
14
-98.99
37.73
1
B
ASN
36
-140.28
-149.44
1
B
ASP
45
-59.16
-6.24
1
B
PRO
53
-59.35
-2.52
THREE-DIMENSIONAL STRUCTURE OF INTERLEUKIN 8 IN SOLUTION
1
N
N
1
N
N
A
HIS
18
A
HIS
18
HELX_P
A
LYS
20
A
LYS
20
5
1
3
A
GLU
55
A
GLU
55
HELX_P
A
SER
72
A
SER
72
1
2
18
B
HIS
18
B
HIS
18
HELX_P
B
LYS
20
B
LYS
20
5
3
3
B
GLU
55
B
GLU
55
HELX_P
B
SER
72
B
SER
72
1
4
18
disulf
2.020
A
CYS
7
A
SG
CYS
7
1_555
A
CYS
34
A
SG
CYS
34
1_555
disulf
2.018
A
CYS
9
A
SG
CYS
9
1_555
A
CYS
50
A
SG
CYS
50
1_555
disulf
2.018
B
CYS
7
B
SG
CYS
7
1_555
B
CYS
34
B
SG
CYS
34
1_555
disulf
2.019
B
CYS
9
B
SG
CYS
9
1_555
B
CYS
50
B
SG
CYS
50
1_555
CYTOKINE
CYTOKINE
IL8_HUMAN
UNP
1
1
P10145
MTSKLAVALLAAFLISAALCEGAVLPRSAKELRCQCIKTYSKPFHPKFIKELRVIESGPHCANTEIIVKLSDGRELCLDP
KENWVQRVVEKFLKRAENS
28
99
1IL8
1
72
P10145
A
1
1
72
28
99
1IL8
1
72
P10145
B
1
1
72
6
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
ARG
47
A
ARG
47
A
LEU
51
A
LEU
51
A
GLU
38
A
GLU
38
A
LEU
43
A
LEU
43
A
ILE
22
A
ILE
22
A
ILE
28
A
ILE
28
B
ILE
22
B
ILE
22
B
ILE
28
B
ILE
28
B
GLU
38
B
GLU
38
B
LEU
43
B
LEU
43
B
ARG
47
B
ARG
47
B
LEU
51
B
LEU
51
1
P 1