0.009872
0.000000
0.000000
0.000000
0.009872
0.000000
0.000000
0.000000
0.010799
0.00000
0.00000
0.00000
Scott, C.A.
Peterson, P.A.
Teyton, L.
Wilson, I.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
101.300
101.300
92.600
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
C8 H15 N O6
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
N-acetyl-beta-D-glucosamine; 2-acetamido-2-deoxy-beta-D-glucose; 2-acetamido-2-deoxy-D-glucose; 2-acetamido-2-deoxy-glucose; N-ACETYL-D-GLUCOSAMINE
D-saccharide, beta 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
Immunity
IUNIEH
2048
1074-7613
8
319
329
10.1016/S1074-7613(00)80537-3
9529149
Crystal structures of two I-Ad-peptide complexes reveal that high affinity can be achieved without large anchor residues.
1998
US
Immunity
IUNIEH
2048
1074-7613
8
531
Erratum. Crystal Structures of Two I-Ad-Peptide Complexes Reveal that High Affinity Can be Achieved without Large Anchor Residues
1998
US
Protein Sci.
PRCIEI
0795
0961-8368
7
413
Engineering Protein for X-Ray Crystallography: The Murine Major Histocompatibility Complex Class II Molecule I-Ad
1998
US
J.Exp.Med.
JEMEAV
0774
0022-1007
183
2087
Role of Chain Pairing for the Production of Functional Soluble Ia Major Histocompatibility Complex Class II Molecules
1996
10.2210/pdb1iao/pdb
pdb_00001iao
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
95
1
58 CM LONG, PT-COATED, FUSED SILICA, VERTICAL FOCUS
IMAGE PLATE
1997-04
MARRESEARCH
CYLINDRICALLY BENT TRIANGULAR SI(111) ASYMMETRIC CUT, HORIZONTAL FOCUS
M
x-ray
1
1.08
1.0
BL7-1
SSRL
1.08
SYNCHROTRON
SSRL BEAMLINE BL7-1
BOTH THE A AND B CHAINS HAVE AN 8-RESIDUE (SSADLVPR) PEPTIDE BOUND TO THE C-TERMINUS. THE B CHAIN ALSO HAS A 24-RESIDUE PEPTIDE CONSISTING OF A 2-RESIDUE (RG) SIGNAL SEQUENCE, RESIDUES 323 - 339 OF HEN EGG OVALBUMIN AND A 6-RESIDUE (GSGSGS) LINKER, COVALENTLY BONDED TO THE N-TERMINUS.
22091.631
MHC CLASS II I-AD
1
man
polymer
BOTH THE A AND B CHAINS HAVE AN 8-RESIDUE (SSADLVPR) PEPTIDE BOUND TO THE C-TERMINUS. THE B CHAIN ALSO HAS A 24-RESIDUE PEPTIDE CONSISTING OF A 2-RESIDUE (RG) SIGNAL SEQUENCE, RESIDUES 323 - 339 OF HEN EGG OVALBUMIN AND A 6-RESIDUE (GSGSGS) LINKER, COVALENTLY BONDED TO THE N-TERMINUS.
25324.998
MHC CLASS II I-AD
1
man
polymer
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
1
man
non-polymer
18.015
water
8
nat
water
no
no
EDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLILFEPQGGLQNIAAEKHNLGILTKR
SNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFLVNRDHSFHKLSYLTFIPS
DDDIYDCKVEHWGLEEPVLKHWEPEISSADLVPR
EDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLILFEPQGGLQNIAAEKHNLGILTKR
SNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFLVNRDHSFHKLSYLTFIPS
DDDIYDCKVEHWGLEEPVLKHWEPEISSADLVPR
A
polypeptide(L)
no
no
RGISQAVHAAHAEINEAGRGSGSGSGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTELGR
PDAEYWNSQPEILDRTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRN
GQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWSSADLVPR
RGISQAVHAAHAEINEAGRGSGSGSGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTELGR
PDAEYWNSQPEILDRTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRN
GQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWSSADLVPR
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
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
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
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
house mouse
Mus
BALB/C
fruit fly
Drosophila
sample
HETEROLOGOUS EXPRESSION
S2
10090
EGG
Mus musculus
S2
7227
Drosophila melanogaster
house mouse
Mus
BALB/C
fruit fly
Drosophila
sample
HETEROLOGOUS EXPRESSION
S2
10090
EGG
Mus musculus
S2
7227
Drosophila melanogaster
1
2.79
56.
5.5
32% PEG 600, 0.1 IMIDAZOLE MALATE, PH 5.5
chem_comp
entity
pdbx_chem_comp_identifier
pdbx_entity_nonpoly
struct_conn
struct_ref_seq_dif
struct_site
struct_site_gen
chem_comp
database_2
pdbx_initial_refinement_model
repository
Initial release
Carbohydrate remediation
repository
Remediation
Version format compliance
Derived calculations
Version format compliance
Data collection
Database references
Derived calculations
Structure summary
Database references
Refinement description
Structure summary
1
0
1998-11-04
1
1
2008-03-24
1
2
2011-07-13
1
3
2020-07-29
1
4
2023-08-09
_chem_comp.name
_chem_comp.type
_entity.pdbx_description
_pdbx_entity_nonpoly.name
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.pdbx_role
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
DGlcpNAcb
N-acetyl-b-D-glucopyranosamine
b-D-GlcpNAc
GlcNAc
Y
BNL
1998-03-13
REL
NAG
2-acetamido-2-deoxy-beta-D-glucopyranose
HOH
water
1DLH
PDB ENTRY 1DLH
PDB
experimental model
NAG
495
3
NAG
NAG
495
B
HOH
1004
4
HOH
HOH
1004
A
HOH
1026
4
HOH
HOH
1026
A
HOH
1032
4
HOH
HOH
1032
A
HOH
1036
4
HOH
HOH
1036
A
HOH
1023
4
HOH
HOH
1023
B
HOH
1025
4
HOH
HOH
1025
B
HOH
1042
4
HOH
HOH
1042
B
HOH
1043
4
HOH
HOH
1043
B
n
1
-3
A
n
2
-2
A
n
3
-1
A
n
4
0
A
GLU
1
n
5
GLU
1
A
ALA
2
n
6
ALA
2
A
ASP
3
n
7
ASP
3
A
HIS
4
n
8
HIS
4
A
VAL
5
n
9
VAL
5
A
GLY
6
n
10
GLY
6
A
PHE
7
n
11
PHE
7
A
TYR
8
n
12
TYR
8
A
GLY
9
n
13
GLY
9
A
THR
10
n
14
THR
10
A
THR
11
n
15
THR
11
A
VAL
12
n
16
VAL
12
A
TYR
13
n
17
TYR
13
A
GLN
14
n
18
GLN
14
A
SER
15
n
19
SER
15
A
PRO
16
n
20
PRO
16
A
GLY
17
n
21
GLY
17
A
ASP
18
n
22
ASP
18
A
ILE
19
n
23
ILE
19
A
GLY
20
n
24
GLY
20
A
GLN
21
n
25
GLN
21
A
TYR
22
n
26
TYR
22
A
THR
23
n
27
THR
23
A
HIS
24
n
28
HIS
24
A
GLU
25
n
29
GLU
25
A
PHE
26
n
30
PHE
26
A
ASP
27
n
31
ASP
27
A
GLY
28
n
32
GLY
28
A
ASP
29
n
33
ASP
29
A
GLU
30
n
34
GLU
30
A
LEU
31
n
35
LEU
31
A
PHE
32
n
36
PHE
32
A
TYR
33
n
37
TYR
33
A
VAL
34
n
38
VAL
34
A
ASP
35
n
39
ASP
35
A
LEU
36
n
40
LEU
36
A
ASP
37
n
41
ASP
37
A
LYS
38
n
42
LYS
38
A
LYS
39
n
43
LYS
39
A
LYS
40
n
44
LYS
40
A
THR
41
n
45
THR
41
A
VAL
42
n
46
VAL
42
A
TRP
43
n
47
TRP
43
A
ARG
44
n
48
ARG
44
A
LEU
45
n
49
LEU
45
A
PRO
46
n
50
PRO
46
A
GLU
47
n
51
GLU
47
A
PHE
48
n
52
PHE
48
A
GLY
49
n
53
GLY
49
A
GLN
50
n
54
GLN
50
A
LEU
51
n
55
LEU
51
A
ILE
52
n
56
ILE
52
A
LEU
53
n
57
LEU
53
A
PHE
54
n
58
PHE
54
A
GLU
55
n
59
GLU
55
A
PRO
56
n
60
PRO
56
A
GLN
57
n
61
GLN
57
A
GLY
58
n
62
GLY
58
A
GLY
59
n
63
GLY
59
A
LEU
60
n
64
LEU
60
A
GLN
61
n
65
GLN
61
A
ASN
62
n
66
ASN
62
A
ILE
63
n
67
ILE
63
A
ALA
64
n
68
ALA
64
A
ALA
65
n
69
ALA
65
A
GLU
66
n
70
GLU
66
A
LYS
67
n
71
LYS
67
A
HIS
68
n
72
HIS
68
A
ASN
69
n
73
ASN
69
A
LEU
70
n
74
LEU
70
A
GLY
71
n
75
GLY
71
A
ILE
72
n
76
ILE
72
A
LEU
73
n
77
LEU
73
A
THR
74
n
78
THR
74
A
LYS
75
n
79
LYS
75
A
ARG
76
n
80
ARG
76
A
SER
77
n
81
SER
77
A
ASN
78
n
82
ASN
78
A
PHE
79
n
83
PHE
79
A
THR
80
n
84
THR
80
A
PRO
81
n
85
PRO
81
A
ALA
82
n
86
ALA
82
A
THR
83
n
87
THR
83
A
ASN
84
n
88
ASN
84
A
GLU
85
n
89
GLU
85
A
ALA
86
n
90
ALA
86
A
PRO
87
n
91
PRO
87
A
GLN
88
n
92
GLN
88
A
ALA
89
n
93
ALA
89
A
THR
90
n
94
THR
90
A
VAL
91
n
95
VAL
91
A
PHE
92
n
96
PHE
92
A
PRO
93
n
97
PRO
93
A
LYS
94
n
98
LYS
94
A
SER
95
n
99
SER
95
A
PRO
96
n
100
PRO
96
A
VAL
97
n
101
VAL
97
A
LEU
98
n
102
LEU
98
A
LEU
99
n
103
LEU
99
A
GLY
100
n
104
GLY
100
A
GLN
101
n
105
GLN
101
A
PRO
102
n
106
PRO
102
A
ASN
103
n
107
ASN
103
A
THR
104
n
108
THR
104
A
LEU
105
n
109
LEU
105
A
ILE
106
n
110
ILE
106
A
CYS
107
n
111
CYS
107
A
PHE
108
n
112
PHE
108
A
VAL
109
n
113
VAL
109
A
ASP
110
n
114
ASP
110
A
ASN
111
n
115
ASN
111
A
ILE
112
n
116
ILE
112
A
PHE
113
n
117
PHE
113
A
PRO
114
n
118
PRO
114
A
PRO
115
n
119
PRO
115
A
VAL
116
n
120
VAL
116
A
ILE
117
n
121
ILE
117
A
ASN
118
n
122
ASN
118
A
ILE
119
n
123
ILE
119
A
THR
120
n
124
THR
120
A
TRP
121
n
125
TRP
121
A
LEU
122
n
126
LEU
122
A
ARG
123
n
127
ARG
123
A
ASN
124
n
128
ASN
124
A
SER
125
n
129
SER
125
A
LYS
126
n
130
LYS
126
A
SER
127
n
131
SER
127
A
VAL
128
n
132
VAL
128
A
THR
129
n
133
THR
129
A
ASP
130
n
134
ASP
130
A
GLY
131
n
135
GLY
131
A
VAL
132
n
136
VAL
132
A
TYR
133
n
137
TYR
133
A
GLU
134
n
138
GLU
134
A
THR
135
n
139
THR
135
A
SER
136
n
140
SER
136
A
PHE
137
n
141
PHE
137
A
LEU
138
n
142
LEU
138
A
VAL
139
n
143
VAL
139
A
ASN
140
n
144
ASN
140
A
ARG
141
n
145
ARG
141
A
ASP
142
n
146
ASP
142
A
HIS
143
n
147
HIS
143
A
SER
144
n
148
SER
144
A
PHE
145
n
149
PHE
145
A
HIS
146
n
150
HIS
146
A
LYS
147
n
151
LYS
147
A
LEU
148
n
152
LEU
148
A
SER
149
n
153
SER
149
A
TYR
150
n
154
TYR
150
A
LEU
151
n
155
LEU
151
A
THR
152
n
156
THR
152
A
PHE
153
n
157
PHE
153
A
ILE
154
n
158
ILE
154
A
PRO
155
n
159
PRO
155
A
SER
156
n
160
SER
156
A
ASP
157
n
161
ASP
157
A
ASP
158
n
162
ASP
158
A
ASP
159
n
163
ASP
159
A
ILE
160
n
164
ILE
160
A
TYR
161
n
165
TYR
161
A
ASP
162
n
166
ASP
162
A
CYS
163
n
167
CYS
163
A
LYS
164
n
168
LYS
164
A
VAL
165
n
169
VAL
165
A
GLU
166
n
170
GLU
166
A
HIS
167
n
171
HIS
167
A
TRP
168
n
172
TRP
168
A
GLY
169
n
173
GLY
169
A
LEU
170
n
174
LEU
170
A
GLU
171
n
175
GLU
171
A
GLU
172
n
176
GLU
172
A
PRO
173
n
177
PRO
173
A
VAL
174
n
178
VAL
174
A
LEU
175
n
179
LEU
175
A
LYS
176
n
180
LYS
176
A
HIS
177
n
181
HIS
177
A
TRP
178
n
182
TRP
178
A
n
183
179
A
n
184
180
A
n
185
181
A
n
186
182
A
n
187
183
A
n
188
184
A
n
189
185
A
n
190
186
A
n
191
187
A
n
192
188
A
n
193
189
A
n
194
190
A
ARG
1
n
1
S
ARG
1
B
GLY
2
n
2
S
GLY
2
B
ILE
323
n
3
P
ILE
323
B
SER
324
n
4
P
SER
324
B
GLN
325
n
5
P
GLN
325
B
ALA
326
n
6
P
ALA
326
B
VAL
327
n
7
P
VAL
327
B
HIS
328
n
8
P
HIS
328
B
ALA
329
n
9
P
ALA
329
B
ALA
330
n
10
P
ALA
330
B
HIS
331
n
11
P
HIS
331
B
ALA
332
n
12
P
ALA
332
B
GLU
333
n
13
P
GLU
333
B
ILE
334
n
14
P
ILE
334
B
n
15
-10
B
n
16
-9
B
n
17
-8
B
n
18
-7
B
n
19
-6
B
n
20
-5
B
n
21
-4
B
n
22
-3
B
n
23
-2
B
n
24
-1
B
n
25
0
B
n
26
1
B
n
27
2
B
n
28
3
B
n
29
4
B
n
30
5
B
HIS
6
n
31
HIS
6
B
PHE
7
n
32
PHE
7
B
VAL
8
n
33
VAL
8
B
VAL
9
n
34
VAL
9
B
GLN
10
n
35
GLN
10
B
PHE
11
n
36
PHE
11
B
LYS
12
n
37
LYS
12
B
GLY
13
n
38
GLY
13
B
GLU
14
n
39
GLU
14
B
CYS
15
n
40
CYS
15
B
TYR
16
n
41
TYR
16
B
TYR
17
n
42
TYR
17
B
THR
18
n
43
THR
18
B
ASN
19
n
44
ASN
19
B
GLY
20
n
45
GLY
20
B
THR
21
n
46
THR
21
B
GLN
22
n
47
GLN
22
B
ARG
23
n
48
ARG
23
B
ILE
24
n
49
ILE
24
B
ARG
25
n
50
ARG
25
B
LEU
26
n
51
LEU
26
B
VAL
27
n
52
VAL
27
B
THR
28
n
53
THR
28
B
ARG
29
n
54
ARG
29
B
TYR
30
n
55
TYR
30
B
ILE
31
n
56
ILE
31
B
TYR
32
n
57
TYR
32
B
ASN
33
n
58
ASN
33
B
ARG
34
n
59
ARG
34
B
GLU
35
n
60
GLU
35
B
GLU
36
n
61
GLU
36
B
TYR
37
n
62
TYR
37
B
VAL
38
n
63
VAL
38
B
ARG
39
n
64
ARG
39
B
TYR
40
n
65
TYR
40
B
ASP
41
n
66
ASP
41
B
SER
42
n
67
SER
42
B
ASP
43
n
68
ASP
43
B
VAL
44
n
69
VAL
44
B
GLY
45
n
70
GLY
45
B
GLU
46
n
71
GLU
46
B
TYR
47
n
72
TYR
47
B
ARG
48
n
73
ARG
48
B
ALA
49
n
74
ALA
49
B
VAL
50
n
75
VAL
50
B
THR
51
n
76
THR
51
B
GLU
52
n
77
GLU
52
B
LEU
53
n
78
LEU
53
B
GLY
54
n
79
GLY
54
B
ARG
55
n
80
ARG
55
B
PRO
56
n
81
PRO
56
B
ASP
57
n
82
ASP
57
B
ALA
58
n
83
ALA
58
B
GLU
59
n
84
GLU
59
B
TYR
60
n
85
TYR
60
B
TRP
61
n
86
TRP
61
B
ASN
62
n
87
ASN
62
B
SER
63
n
88
SER
63
B
GLN
64
n
89
GLN
64
B
PRO
65
n
90
PRO
65
B
GLU
66
n
91
GLU
66
B
ILE
67
n
92
ILE
67
B
LEU
68
n
93
LEU
68
B
ASP
69
n
94
ASP
69
B
ARG
70
n
95
ARG
70
B
THR
71
n
96
THR
71
B
ARG
72
n
97
ARG
72
B
ALA
73
n
98
ALA
73
B
GLU
74
n
99
GLU
74
B
VAL
75
n
100
VAL
75
B
ASP
76
n
101
ASP
76
B
THR
77
n
102
THR
77
B
ALA
78
n
103
ALA
78
B
CYS
79
n
104
CYS
79
B
ARG
80
n
105
ARG
80
B
HIS
81
n
106
HIS
81
B
ASN
82
n
107
ASN
82
B
TYR
83
n
108
TYR
83
B
GLU
84
n
109
GLU
84
B
GLY
85
n
110
GLY
85
B
PRO
86
n
111
PRO
86
B
GLU
87
n
112
GLU
87
B
THR
88
n
113
THR
88
B
SER
89
n
114
SER
89
B
THR
90
n
115
THR
90
B
SER
91
n
116
SER
91
B
LEU
92
n
117
LEU
92
B
ARG
93
n
118
ARG
93
B
ARG
94
n
119
ARG
94
B
LEU
94
n
120
A
LEU
94
B
GLU
95
n
121
GLU
95
B
GLN
96
n
122
GLN
96
B
PRO
97
n
123
PRO
97
B
ASN
98
n
124
ASN
98
B
VAL
99
n
125
VAL
99
B
ALA
100
n
126
ALA
100
B
ILE
101
n
127
ILE
101
B
SER
102
n
128
SER
102
B
LEU
103
n
129
LEU
103
B
SER
104
n
130
SER
104
B
ARG
105
n
131
ARG
105
B
THR
106
n
132
THR
106
B
GLU
107
n
133
GLU
107
B
ALA
108
n
134
ALA
108
B
LEU
109
n
135
LEU
109
B
ASN
110
n
136
ASN
110
B
HIS
111
n
137
HIS
111
B
HIS
112
n
138
HIS
112
B
ASN
113
n
139
ASN
113
B
THR
114
n
140
THR
114
B
LEU
115
n
141
LEU
115
B
VAL
116
n
142
VAL
116
B
CYS
117
n
143
CYS
117
B
SER
118
n
144
SER
118
B
VAL
119
n
145
VAL
119
B
THR
120
n
146
THR
120
B
ASP
121
n
147
ASP
121
B
PHE
122
n
148
PHE
122
B
TYR
123
n
149
TYR
123
B
PRO
124
n
150
PRO
124
B
ALA
125
n
151
ALA
125
B
LYS
126
n
152
LYS
126
B
ILE
127
n
153
ILE
127
B
LYS
128
n
154
LYS
128
B
VAL
129
n
155
VAL
129
B
ARG
130
n
156
ARG
130
B
TRP
131
n
157
TRP
131
B
PHE
132
n
158
PHE
132
B
ARG
133
n
159
ARG
133
B
ASN
134
n
160
ASN
134
B
GLY
135
n
161
GLY
135
B
GLN
136
n
162
GLN
136
B
GLU
137
n
163
GLU
137
B
GLU
138
n
164
GLU
138
B
THR
139
n
165
THR
139
B
VAL
140
n
166
VAL
140
B
GLY
141
n
167
GLY
141
B
VAL
142
n
168
VAL
142
B
SER
143
n
169
SER
143
B
SER
144
n
170
SER
144
B
THR
145
n
171
THR
145
B
GLN
146
n
172
GLN
146
B
LEU
147
n
173
LEU
147
B
ILE
148
n
174
ILE
148
B
ARG
149
n
175
ARG
149
B
ASN
150
n
176
ASN
150
B
GLY
151
n
177
GLY
151
B
ASP
152
n
178
ASP
152
B
TRP
153
n
179
TRP
153
B
THR
154
n
180
THR
154
B
PHE
155
n
181
PHE
155
B
GLN
156
n
182
GLN
156
B
VAL
157
n
183
VAL
157
B
LEU
158
n
184
LEU
158
B
VAL
159
n
185
VAL
159
B
MET
160
n
186
MET
160
B
LEU
161
n
187
LEU
161
B
GLU
162
n
188
GLU
162
B
MET
163
n
189
MET
163
B
THR
164
n
190
THR
164
B
PRO
165
n
191
PRO
165
B
HIS
166
n
192
HIS
166
B
GLN
167
n
193
GLN
167
B
GLY
168
n
194
GLY
168
B
GLU
169
n
195
GLU
169
B
VAL
170
n
196
VAL
170
B
TYR
171
n
197
TYR
171
B
THR
172
n
198
THR
172
B
CYS
173
n
199
CYS
173
B
HIS
174
n
200
HIS
174
B
VAL
175
n
201
VAL
175
B
GLU
176
n
202
GLU
176
B
HIS
177
n
203
HIS
177
B
PRO
178
n
204
PRO
178
B
SER
179
n
205
SER
179
B
LEU
180
n
206
LEU
180
B
LYS
181
n
207
LYS
181
B
SER
182
n
208
SER
182
B
PRO
183
n
209
PRO
183
B
ILE
184
n
210
ILE
184
B
THR
185
n
211
THR
185
B
VAL
186
n
212
VAL
186
B
GLU
187
n
213
GLU
187
B
TRP
188
n
214
TRP
188
B
SER
1
n
215
T
SER
1
B
SER
2
n
216
T
SER
2
B
n
217
T
3
B
n
218
T
4
B
n
219
T
5
B
n
220
T
6
B
n
221
T
7
B
n
222
T
8
B
author_and_software_defined_assembly
PQS
4
tetrameric
software_defined_assembly
PISA
2
dimeric
5770
-23
18360
B
ASN
19
GLYCOSYLATION SITE
B
ASN
44
ASN
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
0.0000000000
-1.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
8_665
-y+1,-x+1,-z+1/2
crystal symmetry operation
101.3000000000
101.3000000000
46.3000000000
A
O
LYS
40
A
O
LYS
44
A
N
ASP
35
A
N
ASP
39
A
O
ASP
29
A
O
ASP
33
A
N
PHE
26
A
N
PHE
30
A
O
ILE
19
A
O
ILE
23
A
N
GLN
14
A
N
GLN
18
A
O
PHE
92
A
O
PHE
96
A
N
ILE
106
A
N
ILE
110
A
O
ASN
103
A
O
ASN
107
A
N
PHE
153
A
N
PHE
157
A
O
ASN
118
A
O
ASN
122
A
N
GLU
166
A
N
GLU
170
A
O
TYR
161
A
O
TYR
165
A
N
TRP
178
A
N
TRP
182
B
O
GLN
10
B
O
GLN
35
B
N
ILE
31
B
N
ILE
56
B
O
THR
28
B
O
THR
53
B
N
TYR
40
B
N
TYR
65
B
O
ARG
39
B
O
ARG
64
B
N
ARG
48
B
N
ARG
73
B
O
SER
102
B
O
SER
128
B
N
VAL
116
B
N
VAL
142
B
O
ASN
113
B
O
ASN
139
B
N
MET
163
B
N
MET
189
B
O
MET
160
B
O
MET
186
B
N
SER
143
B
N
SER
169
B
O
GLN
136
B
O
GLN
162
B
N
ARG
133
B
N
ARG
159
B
O
LYS
128
B
O
LYS
154
B
N
GLU
176
B
N
GLU
202
B
O
TYR
171
B
O
TYR
197
B
N
TRP
188
B
N
TRP
214
1
A
CG1
ILE
52
A
CG1
ILE
56
1
Y
1
A
CG2
ILE
52
A
CG2
ILE
56
1
Y
1
A
CD1
ILE
52
A
CD1
ILE
56
1
Y
1
A
CB
SER
125
A
CB
SER
129
1
Y
1
A
OG
SER
125
A
OG
SER
129
1
Y
1
A
CB
LYS
126
A
CB
LYS
130
1
Y
1
A
CG
LYS
126
A
CG
LYS
130
1
Y
1
A
CD
LYS
126
A
CD
LYS
130
1
Y
1
A
CE
LYS
126
A
CE
LYS
130
1
Y
1
A
NZ
LYS
126
A
NZ
LYS
130
1
Y
1
A
CG
ASP
158
A
CG
ASP
162
1
Y
1
A
OD1
ASP
158
A
OD1
ASP
162
1
Y
1
A
OD2
ASP
158
A
OD2
ASP
162
1
Y
1
A
CG
ASP
159
A
CG
ASP
163
1
Y
1
A
OD1
ASP
159
A
OD1
ASP
163
1
Y
1
A
OD2
ASP
159
A
OD2
ASP
163
1
Y
1
A
CG1
ILE
160
A
CG1
ILE
164
1
Y
1
A
CG2
ILE
160
A
CG2
ILE
164
1
Y
1
A
CD1
ILE
160
A
CD1
ILE
164
1
Y
1
A
CG
GLU
172
A
CG
GLU
176
1
Y
1
A
CD
GLU
172
A
CD
GLU
176
1
Y
1
A
OE1
GLU
172
A
OE1
GLU
176
1
Y
1
A
OE2
GLU
172
A
OE2
GLU
176
1
Y
S
1
B
CG
ARG
1
B
CG
ARG
1
1
Y
S
1
B
CD
ARG
1
B
CD
ARG
1
1
Y
S
1
B
NE
ARG
1
B
NE
ARG
1
1
Y
S
1
B
CZ
ARG
1
B
CZ
ARG
1
1
Y
S
1
B
NH1
ARG
1
B
NH1
ARG
1
1
Y
S
1
B
NH2
ARG
1
B
NH2
ARG
1
1
Y
1
B
CG
HIS
6
B
CG
HIS
31
1
Y
1
B
ND1
HIS
6
B
ND1
HIS
31
1
Y
1
B
CD2
HIS
6
B
CD2
HIS
31
1
Y
1
B
CE1
HIS
6
B
CE1
HIS
31
1
Y
1
B
NE2
HIS
6
B
NE2
HIS
31
1
Y
1
B
CG
LEU
103
B
CG
LEU
129
1
Y
1
B
CD1
LEU
103
B
CD1
LEU
129
1
Y
1
B
CD2
LEU
103
B
CD2
LEU
129
1
Y
1
B
OG
SER
104
B
OG
SER
130
1
Y
1
B
CG
ARG
105
B
CG
ARG
131
1
Y
1
B
CD
ARG
105
B
CD
ARG
131
1
Y
1
B
NE
ARG
105
B
NE
ARG
131
1
Y
1
B
CZ
ARG
105
B
CZ
ARG
131
1
Y
1
B
NH1
ARG
105
B
NH1
ARG
131
1
Y
1
B
NH2
ARG
105
B
NH2
ARG
131
1
Y
1
B
OG1
THR
106
B
OG1
THR
132
1
Y
1
B
CG2
THR
106
B
CG2
THR
132
1
Y
1
B
CG
GLU
107
B
CG
GLU
133
1
Y
1
B
CD
GLU
107
B
CD
GLU
133
1
Y
1
B
OE1
GLU
107
B
OE1
GLU
133
1
Y
1
B
OE2
GLU
107
B
OE2
GLU
133
1
Y
1
B
CG
LEU
109
B
CG
LEU
135
1
Y
1
B
CD1
LEU
109
B
CD1
LEU
135
1
Y
1
B
CD2
LEU
109
B
CD2
LEU
135
1
Y
1
B
CB
GLN
167
B
CB
GLN
193
1
Y
1
B
CG
GLN
167
B
CG
GLN
193
1
Y
1
B
CD
GLN
167
B
CD
GLN
193
1
Y
1
B
OE1
GLN
167
B
OE1
GLN
193
1
Y
1
B
NE2
GLN
167
B
NE2
GLN
193
1
Y
1
A
GLU
-3
A
GLU
1
1
Y
1
A
ASP
-2
A
ASP
2
1
Y
1
A
ASP
-1
A
ASP
3
1
Y
1
A
ILE
0
A
ILE
4
1
Y
1
A
GLU
179
A
GLU
183
1
Y
1
A
PRO
180
A
PRO
184
1
Y
1
A
GLU
181
A
GLU
185
1
Y
1
A
ILE
182
A
ILE
186
1
Y
1
A
SER
183
A
SER
187
1
Y
1
A
SER
184
A
SER
188
1
Y
1
A
ALA
185
A
ALA
189
1
Y
1
A
ASP
186
A
ASP
190
1
Y
1
A
LEU
187
A
LEU
191
1
Y
1
A
VAL
188
A
VAL
192
1
Y
1
A
PRO
189
A
PRO
193
1
Y
1
A
ARG
190
A
ARG
194
1
Y
1
B
ASN
-10
B
ASN
15
1
Y
1
B
GLU
-9
B
GLU
16
1
Y
1
B
ALA
-8
B
ALA
17
1
Y
1
B
GLY
-7
B
GLY
18
1
Y
1
B
ARG
-6
B
ARG
19
1
Y
1
B
GLY
-5
B
GLY
20
1
Y
1
B
SER
-4
B
SER
21
1
Y
1
B
GLY
-3
B
GLY
22
1
Y
1
B
SER
-2
B
SER
23
1
Y
1
B
GLY
-1
B
GLY
24
1
Y
1
B
SER
0
B
SER
25
1
Y
1
B
GLY
1
B
GLY
26
1
Y
1
B
ASN
2
B
ASN
27
1
Y
1
B
SER
3
B
SER
28
1
Y
1
B
GLU
4
B
GLU
29
1
Y
1
B
ARG
5
B
ARG
30
1
Y
T
1
B
ALA
3
B
ALA
217
1
Y
T
1
B
ASP
4
B
ASP
218
1
Y
T
1
B
LEU
5
B
LEU
219
1
Y
T
1
B
VAL
6
B
VAL
220
1
Y
T
1
B
PRO
7
B
PRO
221
1
Y
T
1
B
ARG
8
B
ARG
222
1
Y
1
A
A
O
N
ASP
ASP
157
159
1.94
1
A
A
O
N
ASP
ILE
158
160
2.02
1
B
B
O
O
ASN
HOH
110
1043
2.05
1
A
A
OE2
OG
GLU
SER
30
136
2.18
1
-23.27
1.50
119.30
96.03
A
A
A
C
N
CA
SER
PRO
PRO
15
16
16
Y
1
22.47
2.10
128.40
150.87
A
A
A
C
N
CD
SER
PRO
PRO
15
16
16
Y
1
16.02
1.50
119.30
135.32
A
A
A
C
N
CA
ILE
PRO
PRO
154
155
155
Y
1
-15.31
2.10
128.40
113.09
A
A
A
C
N
CD
ILE
PRO
PRO
154
155
155
Y
1
26.15
2.60
112.10
138.25
A
A
A
N
CA
C
PRO
PRO
PRO
155
155
155
N
1
-22.05
2.50
113.10
91.05
A
A
A
N
CA
C
GLY
GLY
GLY
169
169
169
N
1
-14.09
1.50
119.30
105.21
A
A
A
C
N
CA
GLU
PRO
PRO
172
173
173
Y
1
-16.18
2.60
112.10
95.92
A
A
A
N
CA
C
PRO
PRO
PRO
173
173
173
N
1
-16.36
2.70
111.00
94.64
B
B
B
N
CA
C
ALA
ALA
ALA
108
108
108
N
1
17.84
1.50
119.30
137.14
B
B
B
C
N
CA
THR
PRO
PRO
164
165
165
Y
1
-16.95
2.10
128.40
111.45
B
B
B
C
N
CD
THR
PRO
PRO
164
165
165
Y
1
18.94
2.70
111.00
129.94
B
B
B
N
CA
C
HIS
HIS
HIS
166
166
166
N
1
A
PRO
115
-63.10
51.64
1
A
ASN
124
-62.85
-80.31
1
A
SER
125
132.26
36.41
1
A
ASP
130
-170.84
126.45
1
A
PRO
155
-38.21
-15.07
1
A
ASP
158
36.50
-2.41
1
A
ASP
159
-12.59
8.33
1
A
PRO
173
-53.92
177.46
1
B
ASN
19
43.89
78.25
1
B
ASN
33
74.46
-90.11
1
B
THR
90
-144.17
-74.12
1
B
SER
104
-38.82
126.56
1
B
ARG
105
-46.37
86.95
1
B
THR
106
89.95
20.18
1
B
GLU
107
-138.28
-86.59
1
B
HIS
111
79.00
95.38
1
B
HIS
112
85.31
97.15
1
B
HIS
166
-167.70
91.66
1
B
GLN
167
117.68
-149.92
1
B
PRO
183
-37.78
120.79
51.
0.32
0.255
0.255
2.6
27.0
1464
14777
10.0
99.
RANDOM
1000000.
0.01
1
0.0
MOLECULAR REPLACEMENT
PDB ENTRY 1DLH
2.6
27.0
8
3035
14
0
3013
0.012
2.6
29.2
0.456
0.412
2.72
176
1513
8
10.
91.
2.6
27.0
1IAO
14777
0.
0.057
0.057
1
10.
9.0
99.
0.383
2.6
2.7
2.
0.383
1
3.4
91.
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
X-PLOR
3.8
CLASS II MHC I-AD IN COMPLEX WITH OVALBUMIN PEPTIDE 323-339
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
A
PRO
46
A
PRO
50
HELX_P
A
GLY
49
A
GLY
53
1
1
4
A
PRO
56
A
PRO
60
HELX_P
A
ARG
76
A
ARG
80
1
2
21
B
GLU
52
B
GLU
77
HELX_P
B
SER
63
B
SER
88
5
3
12
B
PRO
65
B
PRO
90
HELX_P
B
THR
77
B
THR
102
1
4
13
B
CYS
79
B
CYS
104
HELX_P
B
GLU
84
B
GLU
109
1
5
6
B
GLU
87
B
GLU
112
HELX_P
B
SER
89
B
SER
114
5
6
3
disulf
2.031
A
CYS
107
A
SG
CYS
111
1_555
A
CYS
163
A
SG
CYS
167
1_555
disulf
2.012
B
CYS
15
B
SG
CYS
40
1_555
B
CYS
79
B
SG
CYS
104
1_555
disulf
2.027
B
CYS
117
B
SG
CYS
143
1_555
B
CYS
173
B
SG
CYS
199
1_555
covale
1.452
one
N-Glycosylation
B
ASN
19
B
ND2
ASN
44
1_555
B
NAG
495
C
C1
NAG
1_555
MHC II
MHC II, CLASS II MHC, I-A, OVALBUMIN PEPTIDE
A
PHE
113
A
PHE
117
1
A
PRO
114
A
PRO
118
-2.61
B
TYR
123
B
TYR
149
1
B
PRO
124
B
PRO
150
-1.48
HA2D_MOUSE
UNP
1
1
P04228
MPCSRALILGVLALNTMLSLCGGEDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLIL
FEPQGGLQNIAAEKHNLGILTKRSNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVY
ETSFLVNRDHSFHKLSYLTFIPSDDDIYDCKVEHWGLEEPVLKHWEPEIPAPMSELTETVVCALGLSVGLVGIVVGTIFI
IQGLRSGGTSRHPGPL
HA2D_MOUSE
UNP
2
1
P04228
MALQIPSLLLSAAVVVLMVLSSPRTEGGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTEL
GRPDAEYWNSQPEILERTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWF
RNGQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWRAQSESARSKMLSGIGGCVLGVIF
LGLGLFIRHRSQKGPRGPPPAGLLQ
24
209
1IAO
-3
182
P04228
A
1
1
186
28
216
1IAO
1
188
P04228
B
2
26
214
2
GLU
conflict
ASP
69
1IAO
B
P04228
UNP
96
94
4
3
3
4
4
4
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
LYS
40
A
LYS
44
A
TRP
43
A
TRP
47
A
ASP
29
A
ASP
33
A
ASP
35
A
ASP
39
A
ILE
19
A
ILE
23
A
PHE
26
A
PHE
30
A
GLY
6
A
GLY
10
A
GLN
14
A
GLN
18
A
VAL
91
A
VAL
95
A
PRO
93
A
PRO
97
A
PRO
102
A
PRO
106
A
VAL
109
A
VAL
113
A
LYS
147
A
LYS
151
A
ILE
154
A
ILE
158
A
ASN
118
A
ASN
122
A
TRP
121
A
TRP
125
A
TYR
161
A
TYR
165
A
GLU
166
A
GLU
170
A
VAL
174
A
VAL
178
A
TRP
178
A
TRP
182
B
VAL
9
B
VAL
34
B
THR
18
B
THR
43
B
ARG
23
B
ARG
48
B
TYR
32
B
TYR
57
B
GLU
35
B
GLU
60
B
ASP
41
B
ASP
66
B
TYR
47
B
TYR
72
B
ALA
49
B
ALA
74
B
ILE
101
B
ILE
127
B
LEU
103
B
LEU
129
B
ASN
113
B
ASN
139
B
PHE
122
B
PHE
148
B
PHE
155
B
PHE
181
B
MET
163
B
MET
189
B
VAL
142
B
VAL
168
B
SER
144
B
SER
170
B
GLN
136
B
GLN
162
B
GLU
138
B
GLU
164
B
ILE
127
B
ILE
153
B
ARG
133
B
ARG
159
B
VAL
170
B
VAL
196
B
HIS
177
B
HIS
203
B
ILE
184
B
ILE
210
B
SER
1
B
SER
215
T
92
P 41 21 2