0.020217
0.000000
0.000000
0.000000
0.011796
0.000000
0.000000
0.000000
0.031534
0.00000
0.00000
0.00000
Arkin, M.A.
Randal, M.
DeLano, W.L.
Hyde, J.
Luong, T.N.
Oslob, J.D.
Raphael, D.R.
Taylor, L.
Wang, J.
Wells, J.A.
McDowell, R.S.
Wells, J.A.
Braisted, A.C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
49.465
84.777
31.712
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
H2 O
18.015
WATER
non-polymer
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
100
1603
1608
10.1073/pnas.252756299
12582206
Binding of small molecules to an adaptive protein-protein interface.
2003
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
IMAGE PLATE
2002-01-27
MARRESEARCH
synchrotron
SINGLE WAVELENGTH
M
x-ray
1
1.08
1.0
BL7-1
SSRL
1.08
SYNCHROTRON
SSRL BEAMLINE BL7-1
15435.979
interleukin-2
1
man
polymer
96.063
SULFATE ION
2
syn
non-polymer
18.015
water
46
nat
water
IL-2, T-CELL GROWTH FACTOR, TCGF, ALDESLEUKIN
no
no
APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL
RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT
APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL
RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT
A
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
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
Escherichia
Escherichia coli
sample
9606
Homo sapiens
511693
Escherichia coli BL21
BL21
plasmid
pRSET
1
2.15
42.87
VAPOR DIFFUSION, HANGING DROP
7.0
pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
software
repository
Initial release
Version format compliance
Version format compliance
Database references
Structure summary
Refinement description
1
0
2002-07-31
1
1
2008-04-28
1
2
2011-07-13
1
3
2017-02-08
1
4
2017-10-11
1m48 is the crystal structure of human IL-2 complexed with (R)-N-[2-[1-(Aminoiminomethyl)-3-piperidinyl]-1-oxoethyl]-4-(phenylethynyl)-L-phenylalanine methyl ester
1m49 is the crystal structure of human interleukin-2 complexed with SP-1985
1m4a is the crystal structure of human interleukin-2 Y31C covalently modified at C31 with (1H-Indol-3-yl)-(2-mercapto-ethoxyimino)-acetic acid
1m4b is the crystal structure of human interleukin-2 K43C covalently modified at C43 with 2-[2-(2-Cyclohexyl-2-guanidino-acetylamino)-acetylamino]-N-(3-mercapto-propyl)-propionamide
1M4C is the crystal structure of human interleukin-2
RCSB
Y
RCSB
2002-07-02
REL
REL
SO4
SULFATE ION
HOH
water
SUL
1
2
SO4
SO4
134
A
SUL
2
2
SO4
SO4
135
A
HOH
2
3
HOH
HOH
136
A
HOH
3
3
HOH
HOH
137
A
HOH
4
3
HOH
HOH
138
A
HOH
5
3
HOH
HOH
139
A
HOH
6
3
HOH
HOH
140
A
HOH
7
3
HOH
HOH
141
A
HOH
8
3
HOH
HOH
142
A
HOH
9
3
HOH
HOH
143
A
HOH
10
3
HOH
HOH
144
A
HOH
11
3
HOH
HOH
145
A
HOH
12
3
HOH
HOH
146
A
HOH
13
3
HOH
HOH
147
A
HOH
14
3
HOH
HOH
148
A
HOH
15
3
HOH
HOH
149
A
HOH
16
3
HOH
HOH
150
A
HOH
17
3
HOH
HOH
151
A
HOH
18
3
HOH
HOH
152
A
HOH
19
3
HOH
HOH
153
A
HOH
20
3
HOH
HOH
154
A
HOH
21
3
HOH
HOH
155
A
HOH
22
3
HOH
HOH
156
A
HOH
23
3
HOH
HOH
157
A
HOH
24
3
HOH
HOH
158
A
HOH
25
3
HOH
HOH
159
A
HOH
26
3
HOH
HOH
160
A
HOH
27
3
HOH
HOH
161
A
HOH
28
3
HOH
HOH
162
A
HOH
29
3
HOH
HOH
163
A
HOH
30
3
HOH
HOH
164
A
HOH
31
3
HOH
HOH
165
A
HOH
32
3
HOH
HOH
166
A
HOH
33
3
HOH
HOH
167
A
HOH
34
3
HOH
HOH
168
A
HOH
35
3
HOH
HOH
169
A
HOH
36
3
HOH
HOH
170
A
HOH
37
3
HOH
HOH
171
A
HOH
38
3
HOH
HOH
172
A
HOH
39
3
HOH
HOH
173
A
HOH
40
3
HOH
HOH
174
A
HOH
41
3
HOH
HOH
175
A
HOH
42
3
HOH
HOH
176
A
HOH
43
3
HOH
HOH
177
A
HOH
44
3
HOH
HOH
178
A
HOH
45
3
HOH
HOH
179
A
HOH
46
3
HOH
HOH
180
A
HOH
47
3
HOH
HOH
181
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
SER
6
n
6
SER
6
A
THR
7
n
7
THR
7
A
LYS
8
n
8
LYS
8
A
LYS
9
n
9
LYS
9
A
THR
10
n
10
THR
10
A
GLN
11
n
11
GLN
11
A
LEU
12
n
12
LEU
12
A
GLN
13
n
13
GLN
13
A
LEU
14
n
14
LEU
14
A
GLU
15
n
15
GLU
15
A
HIS
16
n
16
HIS
16
A
LEU
17
n
17
LEU
17
A
LEU
18
n
18
LEU
18
A
LEU
19
n
19
LEU
19
A
ASP
20
n
20
ASP
20
A
LEU
21
n
21
LEU
21
A
GLN
22
n
22
GLN
22
A
MET
23
n
23
MET
23
A
ILE
24
n
24
ILE
24
A
LEU
25
n
25
LEU
25
A
ASN
26
n
26
ASN
26
A
GLY
27
n
27
GLY
27
A
ILE
28
n
28
ILE
28
A
ASN
29
n
29
ASN
29
A
ASN
30
n
30
ASN
30
A
TYR
31
n
31
TYR
31
A
LYS
32
n
32
LYS
32
A
ASN
33
n
33
ASN
33
A
PRO
34
n
34
PRO
34
A
LYS
35
n
35
LYS
35
A
LEU
36
n
36
LEU
36
A
THR
37
n
37
THR
37
A
ARG
38
n
38
ARG
38
A
MET
39
n
39
MET
39
A
LEU
40
n
40
LEU
40
A
THR
41
n
41
THR
41
A
PHE
42
n
42
PHE
42
A
LYS
43
n
43
LYS
43
A
PHE
44
n
44
PHE
44
A
TYR
45
n
45
TYR
45
A
MET
46
n
46
MET
46
A
PRO
47
n
47
PRO
47
A
LYS
48
n
48
LYS
48
A
LYS
49
n
49
LYS
49
A
ALA
50
n
50
ALA
50
A
THR
51
n
51
THR
51
A
GLU
52
n
52
GLU
52
A
LEU
53
n
53
LEU
53
A
LYS
54
n
54
LYS
54
A
HIS
55
n
55
HIS
55
A
LEU
56
n
56
LEU
56
A
GLN
57
n
57
GLN
57
A
CYS
58
n
58
CYS
58
A
LEU
59
n
59
LEU
59
A
GLU
60
n
60
GLU
60
A
GLU
61
n
61
GLU
61
A
GLU
62
n
62
GLU
62
A
LEU
63
n
63
LEU
63
A
LYS
64
n
64
LYS
64
A
PRO
65
n
65
PRO
65
A
LEU
66
n
66
LEU
66
A
GLU
67
n
67
GLU
67
A
GLU
68
n
68
GLU
68
A
VAL
69
n
69
VAL
69
A
LEU
70
n
70
LEU
70
A
ASN
71
n
71
ASN
71
A
LEU
72
n
72
LEU
72
A
ALA
73
n
73
ALA
73
A
GLN
74
n
74
GLN
74
A
n
75
75
A
n
76
76
A
ASN
77
n
77
ASN
77
A
PHE
78
n
78
PHE
78
A
HIS
79
n
79
HIS
79
A
LEU
80
n
80
LEU
80
A
ALA
81
n
81
ARG
81
A
PRO
82
n
82
PRO
82
A
ARG
83
n
83
ARG
83
A
ASP
84
n
84
ASP
84
A
LEU
85
n
85
LEU
85
A
ILE
86
n
86
ILE
86
A
SER
87
n
87
SER
87
A
ASN
88
n
88
ASN
88
A
ILE
89
n
89
ILE
89
A
ASN
90
n
90
ASN
90
A
VAL
91
n
91
VAL
91
A
ILE
92
n
92
ILE
92
A
VAL
93
n
93
VAL
93
A
LEU
94
n
94
LEU
94
A
GLU
95
n
95
GLU
95
A
LEU
96
n
96
LEU
96
A
LYS
97
n
97
LYS
97
A
GLY
98
n
98
GLY
98
A
n
99
99
A
n
100
100
A
n
101
101
A
n
102
102
A
PHE
103
n
103
PHE
103
A
MET
104
n
104
MET
104
A
CYS
105
n
105
CYS
105
A
GLU
106
n
106
GLU
106
A
TYR
107
n
107
TYR
107
A
ALA
108
n
108
ALA
108
A
ASP
109
n
109
ASP
109
A
GLU
110
n
110
GLU
110
A
THR
111
n
111
THR
111
A
ALA
112
n
112
ALA
112
A
THR
113
n
113
THR
113
A
ILE
114
n
114
ILE
114
A
VAL
115
n
115
VAL
115
A
GLU
116
n
116
GLU
116
A
PHE
117
n
117
PHE
117
A
LEU
118
n
118
LEU
118
A
ASN
119
n
119
ASN
119
A
ARG
120
n
120
ARG
120
A
TRP
121
n
121
TRP
121
A
ILE
122
n
122
ILE
122
A
THR
123
n
123
THR
123
A
PHE
124
n
124
PHE
124
A
CYS
125
n
125
CYS
125
A
GLN
126
n
126
GLN
126
A
SER
127
n
127
SER
127
A
ILE
128
n
128
ILE
128
A
ILE
129
n
129
ILE
129
A
SER
130
n
130
SER
130
A
THR
131
n
131
THR
131
A
LEU
132
n
132
LEU
132
A
THR
133
n
133
THR
133
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
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
CG
ARG
81
A
CG
ARG
81
1
Y
1
A
CD
ARG
81
A
CD
ARG
81
1
Y
1
A
NE
ARG
81
A
NE
ARG
81
1
Y
1
A
CZ
ARG
81
A
CZ
ARG
81
1
Y
1
A
NH1
ARG
81
A
NH1
ARG
81
1
Y
1
A
NH2
ARG
81
A
NH2
ARG
81
1
Y
1
A
ALA
1
A
ALA
1
1
Y
1
A
PRO
2
A
PRO
2
1
Y
1
A
THR
3
A
THR
3
1
Y
1
A
SER
4
A
SER
4
1
Y
1
A
SER
5
A
SER
5
1
Y
1
A
SER
75
A
SER
75
1
Y
1
A
LYS
76
A
LYS
76
1
Y
1
A
SER
99
A
SER
99
1
Y
1
A
GLU
100
A
GLU
100
1
Y
1
A
THR
101
A
THR
101
1
Y
1
A
THR
102
A
THR
102
1
Y
24.250
-0.47
0.00
0.00
0.41
0.00
0.06
0.930
0.904
0.24452
0.21995
0.22118
0.22118
1.99
15.00
477
9020
9020
5.0
98.08
2.4
0.068
RANDOM
1
isotropic
THROUGHOUT
0
0
MOLECULAR REPLACEMENT
0.210
0.170
0.80
0.80
1.40
MAXIMUM LIKELIHOOD
MASK
1.99
15.00
46
1055
10
0
999
0.003
0.022
1023
0.971
1.990
1381
2.168
3.000
119
14.826
15.000
206
0.090
0.200
165
0.003
0.020
717
0.236
0.300
480
0.153
0.500
54
0.255
0.300
37
0.118
0.500
2
2.008
2.500
609
3.668
5.000
991
2.381
2.500
414
4.028
5.000
390
0.319
0.282
2.054
45
810
855
15
91.9
17.6
1.95
10.0
1M47
9522
9522
0
0
0.061
0.061
1
13.2
98.5
0.391
1.95
2.05
3.3
855
0.391
1
91.9
data collection
MAR345
data scaling
SCALA
phasing
AMoRE
refinement
REFMAC
5.0
data scaling
CCP4
(SCALA)
interleukin-2
Crystal Structure of Human Interleukin-2
1
N
N
2
N
N
2
N
N
3
N
N
A
SER
6
A
SER
6
HELX_P
A
ASN
30
A
ASN
30
1
1
25
A
LYS
32
A
LYS
32
HELX_P
A
LEU
40
A
LEU
40
1
2
9
A
GLU
52
A
GLU
52
HELX_P
A
HIS
55
A
HIS
55
5
3
4
A
LEU
56
A
LEU
56
HELX_P
A
GLU
61
A
GLU
61
1
4
6
A
GLU
62
A
GLU
62
HELX_P
A
GLN
74
A
GLN
74
1
5
13
A
ARG
81
A
ARG
81
HELX_P
A
GLY
98
A
GLY
98
1
6
18
A
THR
113
A
THR
113
HELX_P
A
SER
130
A
SER
130
1
7
18
disulf
2.020
A
CYS
58
A
SG
CYS
58
1_555
A
CYS
105
A
SG
CYS
105
1_555
CYTOKINE
cytokine, four-helix bundle
IL2_HUMAN
UNP
1
21
P60568
APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL
RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT
21
153
1M47
1
133
P60568
A
1
1
133
BINDING SITE FOR RESIDUE SO4 A 134
Software
5
BINDING SITE FOR RESIDUE SO4 A 135
Software
3
A
LYS
49
A
LYS
49
5
1_555
A
LYS
54
A
LYS
54
5
1_555
A
HIS
55
A
HIS
55
5
1_555
A
PHE
103
A
PHE
103
5
1_555
A
THR
133
A
THR
133
5
2_565
A
TYR
31
A
TYR
31
3
1_555
A
LYS
32
A
LYS
32
3
1_555
A
LYS
35
A
LYS
35
3
1_555
18
P 21 21 2