0.024691
0.000000
0.000000
0.000000
0.013986
0.000000
0.000000
0.000000
0.011261
0.00000
0.00000
0.00000
Sun, P.
Snyder, G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
40.500
71.500
88.800
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
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
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
310
N
C
N
311
N
O
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
N
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
N
335
N
O
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
N
359
N
O
N
360
N
O
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
N
N
373
S
C
N
374
N
C
N
375
N
O
N
376
N
C
N
377
N
C
N
378
N
C
N
379
N
O
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
doub
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
doub
N
329
N
sing
Y
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
Y
345
N
doub
Y
346
N
sing
Y
347
N
sing
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
351
N
doub
N
352
N
sing
Y
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
doub
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
96
3864
3869
10.1073/pnas.96.7.3864
10097129
Crystal structure of the HLA-Cw3 allotype-specific killer cell inhibitory receptor KIR2DL2
1999
10.2210/pdb2dl2/pdb
pdb_00002dl2
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
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.98
1.0
X9B
NSLS
0.98
SYNCHROTRON
NSLS BEAMLINE X9B
21698.314
PROTEIN (MHC CLASS I NK CELL RECEPTOR PRECURSOR (P58 NATURAL KILLER CELL RECEPTOR CLONE CL-43))
EXTRACELLULAR HLA-CW3 RECOGNITION DOMAIN
1
man
polymer
18.015
water
29
nat
water
no
no
AHRKPSLLAHPGRLVKSEETVILQCWSDVRFEHFLLHREGKFKDTLHLIGEHHDGVSKANFSIGPMMQDLAGTYRCYGSV
THSPYQLSAPSDPLDIVITGLYEKPSLSAQPGPTVLAGESVTLSCSSRSSYDMYHLSREGEAHECRFSAGPKVNGTFQAD
FPLGPATHGGTYRCFGSFRDSPYEWSNSSDPLLVSVI
AHRKPSLLAHPGRLVKSEETVILQCWSDVRFEHFLLHREGKFKDTLHLIGEHHDGVSKANFSIGPMMQDLAGTYRCYGSV
THSPYQLSAPSDPLDIVITGLYEKPSLSAQPGPTVLAGESVTLSCSSRSSYDMYHLSREGEAHECRFSAGPKVNGTFQAD
FPLGPATHGGTYRCFGSFRDSPYEWSNSSDPLLVSVI
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
NATURAL KILLER
SURFACE
9606
Homo sapiens
511693
Escherichia coli BL21
BL21
PLASMID
PET30
2.96
58.46
6.5
pH 6.5
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Refinement description
1
0
1999-03-30
1
1
2008-04-26
1
2
2011-07-13
1
3
2023-08-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
BNL
Y
RCSB
1999-03-08
REL
HOH
water
1NKR
PDB
experimental model
HOH
250
2
HOH
HOH
250
A
HOH
251
2
HOH
HOH
251
A
HOH
252
2
HOH
HOH
252
A
HOH
253
2
HOH
HOH
253
A
HOH
254
2
HOH
HOH
254
A
HOH
255
2
HOH
HOH
255
A
HOH
256
2
HOH
HOH
256
A
HOH
257
2
HOH
HOH
257
A
HOH
258
2
HOH
HOH
258
A
HOH
259
2
HOH
HOH
259
A
HOH
260
2
HOH
HOH
260
A
HOH
261
2
HOH
HOH
261
A
HOH
262
2
HOH
HOH
262
A
HOH
263
2
HOH
HOH
263
A
HOH
264
2
HOH
HOH
264
A
HOH
265
2
HOH
HOH
265
A
HOH
266
2
HOH
HOH
266
A
HOH
267
2
HOH
HOH
267
A
HOH
268
2
HOH
HOH
268
A
HOH
269
2
HOH
HOH
269
A
HOH
270
2
HOH
HOH
270
A
HOH
271
2
HOH
HOH
271
A
HOH
272
2
HOH
HOH
272
A
HOH
273
2
HOH
HOH
273
A
HOH
274
2
HOH
HOH
274
A
HOH
275
2
HOH
HOH
275
A
HOH
276
2
HOH
HOH
276
A
HOH
277
2
HOH
HOH
277
A
HOH
278
2
HOH
HOH
278
A
ALA
4
n
1
ALA
4
A
HIS
5
n
2
HIS
5
A
ARG
6
n
3
ARG
6
A
LYS
7
n
4
LYS
7
A
PRO
8
n
5
PRO
8
A
SER
9
n
6
SER
9
A
LEU
10
n
7
LEU
10
A
LEU
11
n
8
LEU
11
A
ALA
12
n
9
ALA
12
A
HIS
13
n
10
HIS
13
A
PRO
14
n
11
PRO
14
A
GLY
15
n
12
GLY
15
A
ARG
16
n
13
ARG
16
A
LEU
17
n
14
LEU
17
A
VAL
18
n
15
VAL
18
A
LYS
19
n
16
LYS
19
A
SER
20
n
17
SER
20
A
GLU
21
n
18
GLU
21
A
GLU
22
n
19
GLU
22
A
THR
23
n
20
THR
23
A
VAL
24
n
21
VAL
24
A
ILE
25
n
22
ILE
25
A
LEU
26
n
23
LEU
26
A
GLN
27
n
24
GLN
27
A
CYS
28
n
25
CYS
28
A
TRP
29
n
26
TRP
29
A
SER
30
n
27
SER
30
A
ASP
31
n
28
ASP
31
A
VAL
32
n
29
VAL
32
A
ARG
33
n
30
ARG
33
A
PHE
34
n
31
PHE
34
A
GLU
35
n
32
GLU
35
A
HIS
36
n
33
HIS
36
A
PHE
37
n
34
PHE
37
A
LEU
38
n
35
LEU
38
A
LEU
39
n
36
LEU
39
A
HIS
40
n
37
HIS
40
A
ARG
41
n
38
ARG
41
A
GLU
42
n
39
GLU
42
A
GLY
43
n
40
GLY
43
A
LYS
44
n
41
LYS
44
A
PHE
45
n
42
PHE
45
A
LYS
46
n
43
LYS
46
A
ASP
47
n
44
ASP
47
A
THR
48
n
45
THR
48
A
LEU
49
n
46
LEU
49
A
HIS
50
n
47
HIS
50
A
LEU
51
n
48
LEU
51
A
ILE
52
n
49
ILE
52
A
GLY
53
n
50
GLY
53
A
GLU
54
n
51
GLU
54
A
HIS
55
n
52
HIS
55
A
HIS
56
n
53
HIS
56
A
ASP
57
n
54
ASP
57
A
GLY
58
n
55
GLY
58
A
VAL
59
n
56
VAL
59
A
SER
60
n
57
SER
60
A
LYS
61
n
58
LYS
61
A
ALA
62
n
59
ALA
62
A
ASN
63
n
60
ASN
63
A
PHE
64
n
61
PHE
64
A
SER
65
n
62
SER
65
A
ILE
66
n
63
ILE
66
A
GLY
67
n
64
GLY
67
A
PRO
68
n
65
PRO
68
A
MET
69
n
66
MET
69
A
MET
70
n
67
MET
70
A
GLN
71
n
68
GLN
71
A
ASP
72
n
69
ASP
72
A
LEU
73
n
70
LEU
73
A
ALA
74
n
71
ALA
74
A
GLY
75
n
72
GLY
75
A
THR
76
n
73
THR
76
A
TYR
77
n
74
TYR
77
A
ARG
78
n
75
ARG
78
A
CYS
79
n
76
CYS
79
A
TYR
80
n
77
TYR
80
A
GLY
81
n
78
GLY
81
A
SER
82
n
79
SER
82
A
VAL
83
n
80
VAL
83
A
THR
84
n
81
THR
84
A
HIS
85
n
82
HIS
85
A
SER
86
n
83
SER
86
A
PRO
87
n
84
PRO
87
A
TYR
88
n
85
TYR
88
A
GLN
89
n
86
GLN
89
A
LEU
90
n
87
LEU
90
A
SER
91
n
88
SER
91
A
ALA
92
n
89
ALA
92
A
PRO
93
n
90
PRO
93
A
SER
94
n
91
SER
94
A
ASP
95
n
92
ASP
95
A
PRO
96
n
93
PRO
96
A
LEU
97
n
94
LEU
97
A
ASP
98
n
95
ASP
98
A
ILE
99
n
96
ILE
99
A
VAL
100
n
97
VAL
100
A
ILE
101
n
98
ILE
101
A
THR
102
n
99
THR
102
A
GLY
103
n
100
GLY
103
A
LEU
104
n
101
LEU
104
A
TYR
105
n
102
TYR
105
A
GLU
106
n
103
GLU
106
A
LYS
107
n
104
LYS
107
A
PRO
108
n
105
PRO
108
A
SER
109
n
106
SER
109
A
LEU
110
n
107
LEU
110
A
SER
111
n
108
SER
111
A
ALA
112
n
109
ALA
112
A
GLN
113
n
110
GLN
113
A
PRO
114
n
111
PRO
114
A
GLY
115
n
112
GLY
115
A
PRO
116
n
113
PRO
116
A
THR
117
n
114
THR
117
A
VAL
118
n
115
VAL
118
A
LEU
119
n
116
LEU
119
A
ALA
120
n
117
ALA
120
A
GLY
121
n
118
GLY
121
A
GLU
122
n
119
GLU
122
A
SER
123
n
120
SER
123
A
VAL
124
n
121
VAL
124
A
THR
125
n
122
THR
125
A
LEU
126
n
123
LEU
126
A
SER
127
n
124
SER
127
A
CYS
128
n
125
CYS
128
A
SER
129
n
126
SER
129
A
SER
130
n
127
SER
130
A
ARG
131
n
128
ARG
131
A
SER
132
n
129
SER
132
A
SER
133
n
130
SER
133
A
TYR
134
n
131
TYR
134
A
ASP
135
n
132
ASP
135
A
MET
136
n
133
MET
136
A
TYR
137
n
134
TYR
137
A
HIS
138
n
135
HIS
138
A
LEU
139
n
136
LEU
139
A
SER
140
n
137
SER
140
A
ARG
141
n
138
ARG
141
A
GLU
142
n
139
GLU
142
A
GLY
143
n
140
GLY
143
A
GLU
144
n
141
GLU
144
A
ALA
145
n
142
ALA
145
A
HIS
146
n
143
HIS
146
A
GLU
147
n
144
GLU
147
A
CYS
148
n
145
CYS
148
A
ARG
149
n
146
ARG
149
A
PHE
150
n
147
PHE
150
A
SER
151
n
148
SER
151
A
ALA
152
n
149
ALA
152
A
GLY
153
n
150
GLY
153
A
PRO
154
n
151
PRO
154
A
LYS
155
n
152
LYS
155
A
VAL
156
n
153
VAL
156
A
ASN
157
n
154
ASN
157
A
GLY
158
n
155
GLY
158
A
THR
159
n
156
THR
159
A
PHE
160
n
157
PHE
160
A
GLN
161
n
158
GLN
161
A
ALA
162
n
159
ALA
162
A
ASP
163
n
160
ASP
163
A
PHE
164
n
161
PHE
164
A
PRO
165
n
162
PRO
165
A
LEU
166
n
163
LEU
166
A
GLY
167
n
164
GLY
167
A
PRO
168
n
165
PRO
168
A
ALA
169
n
166
ALA
169
A
THR
170
n
167
THR
170
A
HIS
171
n
168
HIS
171
A
GLY
172
n
169
GLY
172
A
GLY
173
n
170
GLY
173
A
THR
174
n
171
THR
174
A
TYR
175
n
172
TYR
175
A
ARG
176
n
173
ARG
176
A
CYS
177
n
174
CYS
177
A
PHE
178
n
175
PHE
178
A
GLY
179
n
176
GLY
179
A
SER
180
n
177
SER
180
A
PHE
181
n
178
PHE
181
A
ARG
182
n
179
ARG
182
A
ASP
183
n
180
ASP
183
A
SER
184
n
181
SER
184
A
PRO
185
n
182
PRO
185
A
TYR
186
n
183
TYR
186
A
GLU
187
n
184
GLU
187
A
TRP
188
n
185
TRP
188
A
SER
189
n
186
SER
189
A
ASN
190
n
187
ASN
190
A
SER
191
n
188
SER
191
A
SER
192
n
189
SER
192
A
ASP
193
n
190
ASP
193
A
PRO
194
n
191
PRO
194
A
LEU
195
n
192
LEU
195
A
LEU
196
n
193
LEU
196
A
VAL
197
n
194
VAL
197
A
SER
198
n
195
SER
198
A
VAL
199
n
196
VAL
199
A
ILE
200
n
197
ILE
200
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
A
O
LEU
11
A
O
LEU
8
A
N
GLN
27
A
N
GLN
24
A
O
VAL
24
A
O
VAL
21
A
N
ILE
66
A
N
ILE
63
A
O
HIS
36
A
O
HIS
33
A
N
SER
82
A
N
SER
79
A
O
GLY
75
A
O
GLY
72
A
N
ILE
99
A
N
ILE
96
A
O
VAL
118
A
O
VAL
115
A
N
SER
198
A
N
SER
195
A
O
GLY
173
A
O
GLY
170
A
N
VAL
197
A
N
VAL
194
1
16.30
2.70
111.00
127.30
A
A
A
N
CA
C
THR
THR
THR
84
84
84
N
1
A
HIS
5
-62.15
-80.16
1
A
ARG
6
-177.51
123.94
1
A
PRO
8
-76.75
-165.22
1
A
SER
9
-84.46
-82.10
1
A
LEU
10
76.22
71.93
1
A
GLU
21
44.76
17.62
1
A
VAL
24
-167.11
116.99
1
A
PHE
45
106.62
52.82
1
A
LEU
51
-40.23
151.95
1
A
HIS
56
-54.78
88.66
1
A
ASP
57
118.46
13.62
1
A
VAL
59
-119.63
-110.31
1
A
SER
60
155.94
84.11
1
A
ALA
62
-172.24
110.80
1
A
MET
69
-48.60
86.79
1
A
GLN
71
-23.07
-80.37
1
A
ASP
72
-59.81
8.02
1
A
ARG
78
-171.24
111.89
1
A
SER
82
-174.61
-154.27
1
A
THR
84
10.44
179.63
1
A
HIS
85
45.96
-124.01
1
A
PRO
87
-39.85
114.74
1
A
GLN
89
53.36
-5.40
1
A
LEU
90
62.45
150.57
1
A
SER
91
-82.81
-157.35
1
A
PRO
108
-68.76
-149.33
1
A
GLN
113
-36.68
114.47
1
A
PRO
114
-50.13
-83.55
1
A
ARG
141
53.03
134.28
1
A
GLU
142
-153.00
51.28
1
A
GLU
144
144.78
74.95
1
A
ALA
145
-116.20
-167.93
1
A
HIS
146
-133.70
-113.17
1
A
CYS
148
-117.18
63.21
1
A
ARG
149
-66.38
92.78
1
A
PRO
154
-52.02
-174.75
1
A
LYS
155
-64.52
29.08
1
A
VAL
156
-38.78
88.73
1
A
ASN
157
35.99
62.42
1
A
THR
159
-52.85
-171.16
1
A
PHE
160
-160.40
104.48
1
A
ASP
183
-53.51
-7.17
1
A
SER
189
-90.97
-156.83
51.4
0.309
0.219
3.0
8
4997
5
92
RANDOM
10000000
0.001
1
THROUGHOUT
2
MOLECULAR REPLACEMENT
1NKR
3.0
8
29
1555
0
0
1526
0.01
2.0
26.5
3.0
10
2DL2
4683
0.116
0.079
1
18
3
92
3.0
3.2
0.28
88
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
X-PLOR
3.8
KILLER IMMUNOGLOBULIN RECEPTOR 2DL2
1
N
N
2
N
N
A
GLN
71
A
GLN
68
HELX_P
A
LEU
73
A
LEU
70
5
1
3
disulf
2.033
A
CYS
28
A
SG
CYS
25
1_555
A
CYS
79
A
SG
CYS
76
1_555
disulf
2.027
A
CYS
128
A
SG
CYS
125
1_555
A
CYS
177
A
SG
CYS
174
1_555
IMMUNE SYSTEM
KIR, NATURAL KILLER RECEPTOR, INHIBITORY RECEPTOR, 2DL2, IMMUNOGLOBULIN, IMMUNE SYSTEM
A
HIS
13
A
HIS
10
1
A
PRO
14
A
PRO
11
0.29
A
GLN
113
A
GLN
110
1
A
PRO
114
A
PRO
111
0.75
KI2L2_HUMAN
UNP
1
P43627
25
221
2DL2
4
200
P43627
A
1
1
197
3
2
2
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
A
LEU
11
A
LEU
8
A
HIS
13
A
HIS
10
A
VAL
24
A
VAL
21
A
GLN
27
A
GLN
24
A
ASN
63
A
ASN
60
A
ILE
66
A
ILE
63
A
HIS
36
A
HIS
33
A
LEU
38
A
LEU
35
A
TYR
80
A
TYR
77
A
SER
82
A
SER
79
A
GLY
75
A
GLY
72
A
TYR
77
A
TYR
74
A
LEU
97
A
LEU
94
A
ILE
99
A
ILE
96
A
THR
117
A
THR
114
A
LEU
119
A
LEU
116
A
SER
198
A
SER
195
A
ILE
200
A
ILE
197
A
GLY
173
A
GLY
170
A
TYR
175
A
TYR
172
A
LEU
195
A
LEU
192
A
VAL
197
A
VAL
194
19
P 21 21 21