0.025349
-0.000001
0.001821
0.000000
0.009780
0.000000
0.000000
0.000000
0.019280
0.00000
0.00000
0.00000
Canyuk, B.
Focia, P.J.
Eakin, A.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
94.11
90.00
39.45
102.25
52.00
C5 H4 N4 O
136.111
7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE
non-polymer
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
C H2 O2
46.025
FORMIC ACID
non-polymer
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
Mg 2
24.305
MAGNESIUM ION
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C5 H13 O14 P3
390.070
n
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose
ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID; 1-O-pyrophosphono-5-O-phosphono-alpha-D-ribose; 1-O-pyrophosphono-5-O-phosphono-D-ribose; 1-O-pyrophosphono-5-O-phosphono-ribose
D-saccharide
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
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
Y
1
N
C
Y
2
N
C
Y
3
N
N
Y
4
N
C
Y
5
N
N
Y
6
N
C
N
7
N
O
Y
8
N
C
Y
9
N
N
Y
10
N
N
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
N
N
16
S
C
N
17
N
C
N
18
N
O
N
19
N
C
N
20
N
O
N
21
N
H
N
22
N
H
N
23
N
H
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
N
N
29
S
C
N
30
N
C
N
31
N
O
N
32
N
C
N
33
N
C
N
34
N
C
N
35
N
N
N
36
N
C
N
37
N
N
N
38
N
N
N
39
N
O
N
40
N
H
N
41
N
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
N
N
56
S
C
N
57
N
C
N
58
N
O
N
59
N
C
N
60
N
C
N
61
N
O
N
62
N
N
N
63
N
O
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
N
N
73
S
C
N
74
N
C
N
75
N
O
N
76
N
C
N
77
N
C
N
78
N
O
N
79
N
O
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
R
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
S
N
94
N
O
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
C
N
103
N
O
N
104
N
O
N
105
N
H
N
106
N
H
N
107
N
N
N
108
S
C
N
109
N
C
N
110
N
O
N
111
N
C
N
112
N
C
N
113
N
C
N
114
N
O
N
115
N
N
N
116
N
O
N
117
N
H
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
S
C
N
129
N
C
N
130
N
O
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
O
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
N
N
147
N
C
N
148
N
C
N
149
N
O
N
150
N
O
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
N
N
157
S
C
N
158
N
C
N
159
N
O
N
160
N
C
Y
161
N
C
Y
162
N
N
Y
163
N
C
Y
164
N
C
Y
165
N
N
N
166
N
O
N
167
N
H
N
168
N
H
N
169
N
H
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
O
N
178
N
H
N
179
N
H
N
180
N
N
N
181
S
C
N
182
N
C
N
183
N
O
N
184
S
C
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
O
N
189
N
H
N
190
N
H
N
191
N
H
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
N
N
203
S
C
N
204
N
C
N
205
N
O
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
O
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
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
N
N
225
S
C
N
226
N
C
N
227
N
O
N
228
N
C
N
229
N
C
N
230
N
C
N
231
N
C
N
232
N
N
N
233
N
O
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
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
N
N
250
S
C
N
251
N
C
N
252
N
O
N
253
N
C
N
254
N
C
N
255
N
S
N
256
N
C
N
257
N
O
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
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
MG
N
270
N
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
Y
279
N
C
Y
280
N
C
N
281
N
O
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
H
N
291
N
H
N
292
N
H
N
293
N
N
N
294
S
C
N
295
N
C
N
296
N
O
N
297
N
C
N
298
N
C
N
299
N
C
N
300
N
O
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
R
C
N
311
R
C
N
312
S
C
N
313
R
C
N
314
N
C
N
315
N
O
N
316
N
O
N
317
N
O
N
318
N
O
N
319
N
O
N
320
N
P
N
321
N
O
N
322
N
O
N
323
N
O
N
324
R
P
N
325
N
O
N
326
N
O
N
327
N
O
N
328
N
P
N
329
N
O
N
330
N
O
N
331
N
O
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
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
N
N
346
S
C
N
347
N
C
N
348
N
O
N
349
N
C
N
350
N
O
N
351
N
O
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
N
N
360
S
C
N
361
N
C
N
362
N
O
N
363
R
C
N
364
N
O
N
365
N
C
N
366
N
O
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
N
N
377
S
C
N
378
N
C
N
379
N
O
N
380
N
C
Y
381
N
C
Y
382
N
C
Y
383
N
C
Y
384
N
C
Y
385
N
C
Y
386
N
C
N
387
N
O
N
388
N
O
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
N
N
401
S
C
N
402
N
C
N
403
N
O
N
404
N
C
N
405
N
C
N
406
N
C
N
407
N
O
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
Y
1
N
sing
Y
2
N
doub
N
3
N
sing
Y
4
N
sing
Y
5
N
doub
Y
6
N
doub
Y
7
N
sing
N
8
N
sing
Y
9
N
doub
N
10
N
sing
Y
11
N
sing
N
12
N
sing
Y
13
N
sing
Y
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
doub
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
sing
N
34
N
doub
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
sing
N
46
N
sing
N
47
N
sing
N
48
N
doub
N
49
N
sing
N
50
N
sing
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
doub
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
doub
N
66
N
sing
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
doub
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
sing
N
90
N
sing
N
91
N
doub
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
doub
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
sing
N
127
N
doub
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
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
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
doub
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
Y
159
N
sing
Y
160
N
doub
Y
161
N
doub
N
162
N
sing
Y
163
N
sing
N
164
N
sing
Y
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
doub
N
178
N
sing
N
179
N
sing
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
doub
N
199
N
sing
N
200
N
sing
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
doub
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
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
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
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
doub
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
Y
267
N
doub
Y
268
N
sing
Y
269
N
sing
N
270
N
sing
Y
271
N
doub
N
272
N
sing
Y
273
N
doub
N
274
N
sing
Y
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
sing
N
284
N
sing
N
285
N
doub
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
sing
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
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
doub
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
doub
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
doub
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
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
doub
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
doub
N
351
N
sing
N
352
N
sing
N
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
sing
N
365
N
sing
N
366
N
doub
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
Y
371
N
doub
Y
372
N
sing
Y
373
N
sing
N
374
N
sing
Y
375
N
doub
N
376
N
sing
Y
377
N
doub
N
378
N
sing
Y
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
doub
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
40
2754
2765
10.1021/bi001195q
11258886
The role for an invariant aspartic acid in hypoxanthine phosphoribosyltransferases is examined using saturation mutagenesis, functional analysis, and X-ray crystallography.
2001
US
Biochemistry
BICHAW
0033
0006-2960
37
17120
17127
10.1021/bi9821465
Approaching the Transition State in the Crystal Structure of a Phosphoribosyltransferase
1998
10.2210/pdb1i13/pdb
pdb_00001i13
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
CCD
1999-04-21
ADSC QUANTUM 4
Si 111 CHANNEL
SINGLE WAVELENGTH
M
x-ray
1
1.0
1.0
X12B
NSLS
1.0
SYNCHROTRON
NSLS BEAMLINE X12B
25480.316
HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE
2.4.2.8
M23K, S66C, V86L, D115A
2
man
polymer
24.305
MAGNESIUM ION
4
syn
non-polymer
136.111
7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE
2
syn
non-polymer
390.070
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose
2
syn
non-polymer
46.025
FORMIC ACID
1
syn
non-polymer
18.015
water
178
nat
water
no
no
MPREYEFAEKILFTEEEIRTRIKEVAKRIADDYKGKGLRPYVNPLVLISVLKGSFMFTADLCRALCDFNVPVRMEFICVS
SYGEGLTSSGQVRMLLDTRHSIEGHHVLIVEDIVATALTLNYLYHMYFTRRPASLKTVVLLDKREGRRVPFSADYVVANI
PNAFVIGYGLDYDDTYRELRDIVVLRPEVYAEREAARGKKQRAIGSADTDRDAKREFHSKY
MPREYEFAEKILFTEEEIRTRIKEVAKRIADDYKGKGLRPYVNPLVLISVLKGSFMFTADLCRALCDFNVPVRMEFICVS
SYGEGLTSSGQVRMLLDTRHSIEGHHVLIVEDIVATALTLNYLYHMYFTRRPASLKTVVLLDKREGRRVPFSADYVVANI
PNAFVIGYGLDYDDTYRELRDIVVLRPEVYAEREAARGKKQRAIGSADTDRDAKREFHSKY
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Trypanosoma
Escherichia
sample
5693
Trypanosoma cruzi
562
Escherichia coli
1
2.05
40.06
VAPOR DIFFUSION, HANGING DROP
4.6
PEG 6000, Sodium acetate, ammonium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP
chem_comp
entity
pdbx_chem_comp_identifier
pdbx_entity_nonpoly
pdbx_struct_conn_angle
struct_conn
struct_site
struct_site_gen
chem_comp
database_2
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Carbohydrate remediation
repository
Remediation
Version format compliance
Version format compliance
Data collection
Derived calculations
Structure summary
Database references
Structure summary
Data collection
Refinement description
1
0
2002-05-29
1
1
2008-04-27
1
2
2011-07-13
1
3
2020-07-29
1
4
2021-10-27
1
5
2023-08-09
_chem_comp.mon_nstd_flag
_chem_comp.name
_chem_comp.type
_entity.pdbx_description
_pdbx_entity_nonpoly.name
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_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_asym_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
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
a-D-Ribf1PO35PO3
Ternary substrates complex of the wild type HPRT from Trypanosoma cruzi
Original structure of the HPRT from Trypanosoma cruzi
Analysis of an Invariant Aspartic Acid in HPRTs - Asparagine mutant
Analysis of an Invariant Aspartic Acid in HPRTs - Glutamine mutant
Analysis of an Invariant Aspartic Acid in HPRTs - Glutamic acid mutant
SEQUENCE
THIS HPRT WAS CLONED FROM A DIFFERENT STRAIN OF
TRYPANOSOMA CRUZI AND VARIES FROM A PREVIOUSLY
REPORTED SEQUENCE AT LYS 23, CYS 66 AND LEU 86.
RCSB
Y
RCSB
2001-01-30
REL
REL
MG
MAGNESIUM ION
7HP
7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE
PRP
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose
FMT
FORMIC ACID
HOH
water
1TC2
pdb entry 1tc2 with ligands, water molecules and loop II removed
PDB
experimental model
MO2
900
2
MG
MG
900
A
MO3
902
2
MG
MG
902
A
7HP
800
3
7HP
7HP
800
A
PRP
801
4
PRP
PRP
801
A
MO3
912
2
MG
MG
912
B
MO2
910
2
MG
MG
910
B
7HP
810
3
7HP
7HP
810
B
PRP
811
4
PRP
PRP
811
B
FMT
479
5
FMT
FMT
479
B
HOH
1000
6
HOH
HOH
1000
A
HOH
1001
6
HOH
HOH
1001
A
HOH
1002
6
HOH
HOH
1002
A
HOH
1003
6
HOH
HOH
1003
A
HOH
1005
6
HOH
HOH
1005
A
HOH
1006
6
HOH
HOH
1006
A
HOH
1007
6
HOH
HOH
1007
A
HOH
1008
6
HOH
HOH
1008
A
HOH
1009
6
HOH
HOH
1009
A
HOH
1010
6
HOH
HOH
1010
A
HOH
1011
6
HOH
HOH
1011
A
HOH
1012
6
HOH
HOH
1012
A
HOH
1014
6
HOH
HOH
1014
A
HOH
1015
6
HOH
HOH
1015
A
HOH
1016
6
HOH
HOH
1016
A
HOH
1018
6
HOH
HOH
1018
A
HOH
1019
6
HOH
HOH
1019
A
HOH
1021
6
HOH
HOH
1021
A
HOH
1022
6
HOH
HOH
1022
A
HOH
1023
6
HOH
HOH
1023
A
HOH
1024
6
HOH
HOH
1024
A
HOH
1025
6
HOH
HOH
1025
A
HOH
1026
6
HOH
HOH
1026
A
HOH
1027
6
HOH
HOH
1027
A
HOH
1029
6
HOH
HOH
1029
A
HOH
1030
6
HOH
HOH
1030
A
HOH
1031
6
HOH
HOH
1031
A
HOH
1032
6
HOH
HOH
1032
A
HOH
1034
6
HOH
HOH
1034
A
HOH
1035
6
HOH
HOH
1035
A
HOH
1036
6
HOH
HOH
1036
A
HOH
1037
6
HOH
HOH
1037
A
HOH
1038
6
HOH
HOH
1038
A
HOH
1039
6
HOH
HOH
1039
A
HOH
1040
6
HOH
HOH
1040
A
HOH
1041
6
HOH
HOH
1041
A
HOH
1042
6
HOH
HOH
1042
A
HOH
1043
6
HOH
HOH
1043
A
HOH
1044
6
HOH
HOH
1044
A
HOH
1045
6
HOH
HOH
1045
A
HOH
1046
6
HOH
HOH
1046
A
HOH
1047
6
HOH
HOH
1047
A
HOH
1048
6
HOH
HOH
1048
A
HOH
1051
6
HOH
HOH
1051
A
HOH
1052
6
HOH
HOH
1052
A
HOH
1054
6
HOH
HOH
1054
A
HOH
1055
6
HOH
HOH
1055
A
HOH
1057
6
HOH
HOH
1057
A
HOH
1088
6
HOH
HOH
1088
A
HOH
3000
6
HOH
HOH
3000
A
HOH
3001
6
HOH
HOH
3001
A
HOH
3002
6
HOH
HOH
3002
A
HOH
3004
6
HOH
HOH
3004
A
HOH
3005
6
HOH
HOH
3005
A
HOH
3006
6
HOH
HOH
3006
A
HOH
3008
6
HOH
HOH
3008
A
HOH
3009
6
HOH
HOH
3009
A
HOH
3010
6
HOH
HOH
3010
A
HOH
3011
6
HOH
HOH
3011
A
HOH
3012
6
HOH
HOH
3012
A
HOH
3013
6
HOH
HOH
3013
A
HOH
3014
6
HOH
HOH
3014
A
HOH
3015
6
HOH
HOH
3015
A
HOH
3017
6
HOH
HOH
3017
A
HOH
3018
6
HOH
HOH
3018
A
HOH
3019
6
HOH
HOH
3019
A
HOH
3020
6
HOH
HOH
3020
A
HOH
4001
6
HOH
HOH
4001
A
HOH
4002
6
HOH
HOH
4002
A
HOH
4004
6
HOH
HOH
4004
A
HOH
4005
6
HOH
HOH
4005
A
HOH
4006
6
HOH
HOH
4006
A
HOH
4007
6
HOH
HOH
4007
A
HOH
4008
6
HOH
HOH
4008
A
HOH
4009
6
HOH
HOH
4009
A
HOH
4010
6
HOH
HOH
4010
A
HOH
4011
6
HOH
HOH
4011
A
HOH
4016
6
HOH
HOH
4016
A
HOH
5000
6
HOH
HOH
5000
A
HOH
5001
6
HOH
HOH
5001
A
HOH
5003
6
HOH
HOH
5003
A
HOH
5004
6
HOH
HOH
5004
A
HOH
5005
6
HOH
HOH
5005
A
HOH
5006
6
HOH
HOH
5006
A
HOH
5007
6
HOH
HOH
5007
A
HOH
5008
6
HOH
HOH
5008
A
HOH
5010
6
HOH
HOH
5010
A
HOH
5200
6
HOH
HOH
5200
A
MO2
900
6
HOH
HOH
5502
A
MO2
900
6
HOH
HOH
5503
A
MO3
902
6
HOH
HOH
5504
A
MO3
902
6
HOH
HOH
5505
A
MO3
902
6
HOH
HOH
5506
A
HOH
1017
6
HOH
HOH
1017
B
HOH
1020
6
HOH
HOH
1020
B
HOH
1050
6
HOH
HOH
1050
B
HOH
1058
6
HOH
HOH
1058
B
HOH
1059
6
HOH
HOH
1059
B
HOH
1061
6
HOH
HOH
1061
B
HOH
1062
6
HOH
HOH
1062
B
HOH
1063
6
HOH
HOH
1063
B
HOH
1064
6
HOH
HOH
1064
B
HOH
1065
6
HOH
HOH
1065
B
HOH
1067
6
HOH
HOH
1067
B
HOH
1068
6
HOH
HOH
1068
B
HOH
1069
6
HOH
HOH
1069
B
HOH
1070
6
HOH
HOH
1070
B
HOH
1071
6
HOH
HOH
1071
B
HOH
1072
6
HOH
HOH
1072
B
HOH
1073
6
HOH
HOH
1073
B
HOH
1074
6
HOH
HOH
1074
B
HOH
1075
6
HOH
HOH
1075
B
HOH
1076
6
HOH
HOH
1076
B
HOH
1077
6
HOH
HOH
1077
B
HOH
1078
6
HOH
HOH
1078
B
HOH
1079
6
HOH
HOH
1079
B
HOH
1080
6
HOH
HOH
1080
B
HOH
1081
6
HOH
HOH
1081
B
HOH
1082
6
HOH
HOH
1082
B
HOH
1083
6
HOH
HOH
1083
B
HOH
1084
6
HOH
HOH
1084
B
HOH
1085
6
HOH
HOH
1085
B
HOH
1086
6
HOH
HOH
1086
B
HOH
1087
6
HOH
HOH
1087
B
HOH
1089
6
HOH
HOH
1089
B
HOH
1090
6
HOH
HOH
1090
B
HOH
1091
6
HOH
HOH
1091
B
HOH
1092
6
HOH
HOH
1092
B
HOH
1093
6
HOH
HOH
1093
B
HOH
1094
6
HOH
HOH
1094
B
HOH
1097
6
HOH
HOH
1097
B
HOH
1098
6
HOH
HOH
1098
B
HOH
1099
6
HOH
HOH
1099
B
HOH
1100
6
HOH
HOH
1100
B
HOH
1101
6
HOH
HOH
1101
B
HOH
1102
6
HOH
HOH
1102
B
HOH
3007
6
HOH
HOH
3007
B
HOH
3016
6
HOH
HOH
3016
B
HOH
3021
6
HOH
HOH
3021
B
HOH
3022
6
HOH
HOH
3022
B
HOH
3023
6
HOH
HOH
3023
B
HOH
3024
6
HOH
HOH
3024
B
HOH
3025
6
HOH
HOH
3025
B
HOH
3026
6
HOH
HOH
3026
B
HOH
3027
6
HOH
HOH
3027
B
HOH
3028
6
HOH
HOH
3028
B
HOH
3032
6
HOH
HOH
3032
B
HOH
3033
6
HOH
HOH
3033
B
HOH
3034
6
HOH
HOH
3034
B
HOH
3035
6
HOH
HOH
3035
B
HOH
3036
6
HOH
HOH
3036
B
HOH
3037
6
HOH
HOH
3037
B
HOH
3038
6
HOH
HOH
3038
B
HOH
3039
6
HOH
HOH
3039
B
HOH
3040
6
HOH
HOH
3040
B
HOH
3041
6
HOH
HOH
3041
B
HOH
3042
6
HOH
HOH
3042
B
HOH
3043
6
HOH
HOH
3043
B
HOH
3044
6
HOH
HOH
3044
B
HOH
4012
6
HOH
HOH
4012
B
HOH
4013
6
HOH
HOH
4013
B
HOH
4015
6
HOH
HOH
4015
B
HOH
4018
6
HOH
HOH
4018
B
HOH
5011
6
HOH
HOH
5011
B
HOH
5012
6
HOH
HOH
5012
B
HOH
5013
6
HOH
HOH
5013
B
HOH
5014
6
HOH
HOH
5014
B
HOH
5201
6
HOH
HOH
5201
B
HOH
5202
6
HOH
HOH
5202
B
HOH
5203
6
HOH
HOH
5203
B
HOH
5204
6
HOH
HOH
5204
B
HOH
5500
6
HOH
HOH
5500
B
HOH
5501
6
HOH
HOH
5501
B
MO3
912
6
HOH
HOH
5507
B
MO3
912
6
HOH
HOH
5508
B
MO3
912
6
HOH
HOH
5509
B
MO2
910
6
HOH
HOH
5510
B
MO2
910
6
HOH
HOH
5511
B
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
TYR
5
n
5
TYR
5
A
GLU
6
n
6
GLU
6
A
PHE
7
n
7
PHE
7
A
ALA
8
n
8
ALA
8
A
GLU
9
n
9
GLU
9
A
LYS
10
n
10
LYS
10
A
ILE
11
n
11
ILE
11
A
LEU
12
n
12
LEU
12
A
PHE
13
n
13
PHE
13
A
THR
14
n
14
THR
14
A
GLU
15
n
15
GLU
15
A
GLU
16
n
16
GLU
16
A
GLU
17
n
17
GLU
17
A
ILE
18
n
18
ILE
18
A
ARG
19
n
19
ARG
19
A
THR
20
n
20
THR
20
A
ARG
21
n
21
ARG
21
A
ILE
22
n
22
ILE
22
A
LYS
23
n
23
LYS
23
A
GLU
24
n
24
GLU
24
A
VAL
25
n
25
VAL
25
A
ALA
26
n
26
ALA
26
A
LYS
27
n
27
LYS
27
A
ARG
28
n
28
ARG
28
A
ILE
29
n
29
ILE
29
A
ALA
30
n
30
ALA
30
A
ASP
31
n
31
ASP
31
A
ASP
32
n
32
ASP
32
A
TYR
33
n
33
TYR
33
A
LYS
34
n
34
LYS
34
A
GLY
35
n
35
GLY
35
A
LYS
36
n
36
LYS
36
A
GLY
37
n
37
GLY
37
A
LEU
38
n
38
LEU
38
A
ARG
39
n
39
ARG
39
A
PRO
40
n
40
PRO
40
A
TYR
41
n
41
TYR
41
A
VAL
42
n
42
VAL
42
A
ASN
43
n
43
ASN
43
A
PRO
44
n
44
PRO
44
A
LEU
45
n
45
LEU
45
A
VAL
46
n
46
VAL
46
A
LEU
47
n
47
LEU
47
A
ILE
48
n
48
ILE
48
A
SER
49
n
49
SER
49
A
VAL
50
n
50
VAL
50
A
LEU
51
n
51
LEU
51
A
LYS
52
n
52
LYS
52
A
GLY
53
n
53
GLY
53
A
SER
54
n
54
SER
54
A
PHE
55
n
55
PHE
55
A
MET
56
n
56
MET
56
A
PHE
57
n
57
PHE
57
A
THR
58
n
58
THR
58
A
ALA
59
n
59
ALA
59
A
ASP
60
n
60
ASP
60
A
LEU
61
n
61
LEU
61
A
CYS
62
n
62
CYS
62
A
ARG
63
n
63
ARG
63
A
ALA
64
n
64
ALA
64
A
LEU
65
n
65
LEU
65
A
CYS
66
n
66
CYS
66
A
ASP
67
n
67
ASP
67
A
PHE
68
n
68
PHE
68
A
ASN
69
n
69
ASN
69
A
VAL
70
n
70
VAL
70
A
PRO
71
n
71
PRO
71
A
VAL
72
n
72
VAL
72
A
ARG
73
n
73
ARG
73
A
MET
74
n
74
MET
74
A
GLU
75
n
75
GLU
75
A
PHE
76
n
76
PHE
76
A
ILE
77
n
77
ILE
77
A
CYS
78
n
78
CYS
78
A
VAL
79
n
79
VAL
79
A
SER
80
n
80
SER
80
A
SER
81
n
81
SER
81
A
TYR
82
n
82
TYR
82
A
GLY
83
n
83
GLY
83
A
GLU
84
n
84
GLU
84
A
GLY
85
n
85
GLY
85
A
LEU
86
n
86
LEU
86
A
THR
87
n
87
THR
87
A
SER
88
n
88
SER
88
A
SER
89
n
89
SER
89
A
GLY
90
n
90
GLY
90
A
GLN
91
n
91
GLN
91
A
VAL
92
n
92
VAL
92
A
ARG
93
n
93
ARG
93
A
MET
94
n
94
MET
94
A
LEU
95
n
95
LEU
95
A
LEU
96
n
96
LEU
96
A
ASP
97
n
97
ASP
97
A
THR
98
n
98
THR
98
A
ARG
99
n
99
ARG
99
A
HIS
100
n
100
HIS
100
A
SER
101
n
101
SER
101
A
ILE
102
n
102
ILE
102
A
GLU
103
n
103
GLU
103
A
GLY
104
n
104
GLY
104
A
HIS
105
n
105
HIS
105
A
HIS
106
n
106
HIS
106
A
VAL
107
n
107
VAL
107
A
LEU
108
n
108
LEU
108
A
ILE
109
n
109
ILE
109
A
VAL
110
n
110
VAL
110
A
GLU
111
n
111
GLU
111
A
ASP
112
n
112
ASP
112
A
ILE
113
n
113
ILE
113
A
VAL
114
n
114
VAL
114
A
ALA
115
n
115
ALA
115
A
THR
116
n
116
THR
116
A
ALA
117
n
117
ALA
117
A
LEU
118
n
118
LEU
118
A
THR
119
n
119
THR
119
A
LEU
120
n
120
LEU
120
A
ASN
121
n
121
ASN
121
A
TYR
122
n
122
TYR
122
A
LEU
123
n
123
LEU
123
A
TYR
124
n
124
TYR
124
A
HIS
125
n
125
HIS
125
A
MET
126
n
126
MET
126
A
TYR
127
n
127
TYR
127
A
PHE
128
n
128
PHE
128
A
THR
129
n
129
THR
129
A
ARG
130
n
130
ARG
130
A
ARG
131
n
131
ARG
131
A
PRO
132
n
132
PRO
132
A
ALA
133
n
133
ALA
133
A
SER
134
n
134
SER
134
A
LEU
135
n
135
LEU
135
A
LYS
136
n
136
LYS
136
A
THR
137
n
137
THR
137
A
VAL
138
n
138
VAL
138
A
VAL
139
n
139
VAL
139
A
LEU
140
n
140
LEU
140
A
LEU
141
n
141
LEU
141
A
ASP
142
n
142
ASP
142
A
LYS
143
n
143
LYS
143
A
ARG
144
n
144
ARG
144
A
GLU
145
n
145
GLU
145
A
GLY
146
n
146
GLY
146
A
ARG
147
n
147
ARG
147
A
ARG
148
n
148
ARG
148
A
VAL
149
n
149
VAL
149
A
PRO
150
n
150
PRO
150
A
PHE
151
n
151
PHE
151
A
SER
152
n
152
SER
152
A
ALA
153
n
153
ALA
153
A
ASP
154
n
154
ASP
154
A
TYR
155
n
155
TYR
155
A
VAL
156
n
156
VAL
156
A
VAL
157
n
157
VAL
157
A
ALA
158
n
158
ALA
158
A
ASN
159
n
159
ASN
159
A
ILE
160
n
160
ILE
160
A
PRO
161
n
161
PRO
161
A
ASN
162
n
162
ASN
162
A
ALA
163
n
163
ALA
163
A
PHE
164
n
164
PHE
164
A
VAL
165
n
165
VAL
165
A
ILE
166
n
166
ILE
166
A
GLY
167
n
167
GLY
167
A
TYR
168
n
168
TYR
168
A
GLY
169
n
169
GLY
169
A
LEU
170
n
170
LEU
170
A
ASP
171
n
171
ASP
171
A
TYR
172
n
172
TYR
172
A
ASP
173
n
173
ASP
173
A
ASP
174
n
174
ASP
174
A
THR
175
n
175
THR
175
A
TYR
176
n
176
TYR
176
A
ARG
177
n
177
ARG
177
A
GLU
178
n
178
GLU
178
A
LEU
179
n
179
LEU
179
A
ARG
180
n
180
ARG
180
A
ASP
181
n
181
ASP
181
A
ILE
182
n
182
ILE
182
A
VAL
183
n
183
VAL
183
A
VAL
184
n
184
VAL
184
A
LEU
185
n
185
LEU
185
A
ARG
186
n
186
ARG
186
A
PRO
187
n
187
PRO
187
A
GLU
188
n
188
GLU
188
A
VAL
189
n
189
VAL
189
A
TYR
190
n
190
TYR
190
A
ALA
191
n
191
ALA
191
A
n
192
192
A
n
193
193
A
n
194
194
A
n
195
195
A
n
196
196
A
n
197
197
A
n
198
198
A
n
199
199
A
n
200
200
A
n
201
201
A
n
202
202
A
n
203
203
A
n
204
204
A
n
205
205
A
n
206
206
A
n
207
207
A
n
208
208
A
n
209
209
A
n
210
210
A
n
211
211
A
n
212
212
A
n
213
213
A
n
214
214
A
n
215
215
A
n
216
216
A
n
217
217
A
n
218
218
A
n
219
219
A
n
220
220
A
n
221
221
A
n
1
1
B
n
2
2
B
n
3
3
B
n
4
4
B
TYR
5
n
5
TYR
5
B
GLU
6
n
6
GLU
6
B
PHE
7
n
7
PHE
7
B
ALA
8
n
8
ALA
8
B
GLU
9
n
9
GLU
9
B
LYS
10
n
10
LYS
10
B
ILE
11
n
11
ILE
11
B
LEU
12
n
12
LEU
12
B
PHE
13
n
13
PHE
13
B
THR
14
n
14
THR
14
B
GLU
15
n
15
GLU
15
B
GLU
16
n
16
GLU
16
B
GLU
17
n
17
GLU
17
B
ILE
18
n
18
ILE
18
B
ARG
19
n
19
ARG
19
B
THR
20
n
20
THR
20
B
ARG
21
n
21
ARG
21
B
ILE
22
n
22
ILE
22
B
LYS
23
n
23
LYS
23
B
GLU
24
n
24
GLU
24
B
VAL
25
n
25
VAL
25
B
ALA
26
n
26
ALA
26
B
LYS
27
n
27
LYS
27
B
ARG
28
n
28
ARG
28
B
ILE
29
n
29
ILE
29
B
ALA
30
n
30
ALA
30
B
ASP
31
n
31
ASP
31
B
ASP
32
n
32
ASP
32
B
TYR
33
n
33
TYR
33
B
LYS
34
n
34
LYS
34
B
GLY
35
n
35
GLY
35
B
LYS
36
n
36
LYS
36
B
GLY
37
n
37
GLY
37
B
LEU
38
n
38
LEU
38
B
ARG
39
n
39
ARG
39
B
PRO
40
n
40
PRO
40
B
TYR
41
n
41
TYR
41
B
VAL
42
n
42
VAL
42
B
ASN
43
n
43
ASN
43
B
PRO
44
n
44
PRO
44
B
LEU
45
n
45
LEU
45
B
VAL
46
n
46
VAL
46
B
LEU
47
n
47
LEU
47
B
ILE
48
n
48
ILE
48
B
SER
49
n
49
SER
49
B
VAL
50
n
50
VAL
50
B
LEU
51
n
51
LEU
51
B
LYS
52
n
52
LYS
52
B
GLY
53
n
53
GLY
53
B
SER
54
n
54
SER
54
B
PHE
55
n
55
PHE
55
B
MET
56
n
56
MET
56
B
PHE
57
n
57
PHE
57
B
THR
58
n
58
THR
58
B
ALA
59
n
59
ALA
59
B
ASP
60
n
60
ASP
60
B
LEU
61
n
61
LEU
61
B
CYS
62
n
62
CYS
62
B
ARG
63
n
63
ARG
63
B
ALA
64
n
64
ALA
64
B
LEU
65
n
65
LEU
65
B
CYS
66
n
66
CYS
66
B
ASP
67
n
67
ASP
67
B
PHE
68
n
68
PHE
68
B
ASN
69
n
69
ASN
69
B
VAL
70
n
70
VAL
70
B
PRO
71
n
71
PRO
71
B
VAL
72
n
72
VAL
72
B
ARG
73
n
73
ARG
73
B
MET
74
n
74
MET
74
B
GLU
75
n
75
GLU
75
B
PHE
76
n
76
PHE
76
B
ILE
77
n
77
ILE
77
B
CYS
78
n
78
CYS
78
B
VAL
79
n
79
VAL
79
B
SER
80
n
80
SER
80
B
SER
81
n
81
SER
81
B
TYR
82
n
82
TYR
82
B
GLY
83
n
83
GLY
83
B
GLU
84
n
84
GLU
84
B
GLY
85
n
85
GLY
85
B
LEU
86
n
86
LEU
86
B
THR
87
n
87
THR
87
B
SER
88
n
88
SER
88
B
SER
89
n
89
SER
89
B
GLY
90
n
90
GLY
90
B
GLN
91
n
91
GLN
91
B
VAL
92
n
92
VAL
92
B
ARG
93
n
93
ARG
93
B
MET
94
n
94
MET
94
B
LEU
95
n
95
LEU
95
B
LEU
96
n
96
LEU
96
B
ASP
97
n
97
ASP
97
B
THR
98
n
98
THR
98
B
ARG
99
n
99
ARG
99
B
HIS
100
n
100
HIS
100
B
SER
101
n
101
SER
101
B
ILE
102
n
102
ILE
102
B
GLU
103
n
103
GLU
103
B
GLY
104
n
104
GLY
104
B
HIS
105
n
105
HIS
105
B
HIS
106
n
106
HIS
106
B
VAL
107
n
107
VAL
107
B
LEU
108
n
108
LEU
108
B
ILE
109
n
109
ILE
109
B
VAL
110
n
110
VAL
110
B
GLU
111
n
111
GLU
111
B
ASP
112
n
112
ASP
112
B
ILE
113
n
113
ILE
113
B
VAL
114
n
114
VAL
114
B
ALA
115
n
115
ALA
115
B
THR
116
n
116
THR
116
B
ALA
117
n
117
ALA
117
B
LEU
118
n
118
LEU
118
B
THR
119
n
119
THR
119
B
LEU
120
n
120
LEU
120
B
ASN
121
n
121
ASN
121
B
TYR
122
n
122
TYR
122
B
LEU
123
n
123
LEU
123
B
TYR
124
n
124
TYR
124
B
HIS
125
n
125
HIS
125
B
MET
126
n
126
MET
126
B
TYR
127
n
127
TYR
127
B
PHE
128
n
128
PHE
128
B
THR
129
n
129
THR
129
B
ARG
130
n
130
ARG
130
B
ARG
131
n
131
ARG
131
B
PRO
132
n
132
PRO
132
B
ALA
133
n
133
ALA
133
B
SER
134
n
134
SER
134
B
LEU
135
n
135
LEU
135
B
LYS
136
n
136
LYS
136
B
THR
137
n
137
THR
137
B
VAL
138
n
138
VAL
138
B
VAL
139
n
139
VAL
139
B
LEU
140
n
140
LEU
140
B
LEU
141
n
141
LEU
141
B
ASP
142
n
142
ASP
142
B
LYS
143
n
143
LYS
143
B
ARG
144
n
144
ARG
144
B
GLU
145
n
145
GLU
145
B
GLY
146
n
146
GLY
146
B
ARG
147
n
147
ARG
147
B
ARG
148
n
148
ARG
148
B
VAL
149
n
149
VAL
149
B
PRO
150
n
150
PRO
150
B
PHE
151
n
151
PHE
151
B
SER
152
n
152
SER
152
B
ALA
153
n
153
ALA
153
B
ASP
154
n
154
ASP
154
B
TYR
155
n
155
TYR
155
B
VAL
156
n
156
VAL
156
B
VAL
157
n
157
VAL
157
B
ALA
158
n
158
ALA
158
B
ASN
159
n
159
ASN
159
B
ILE
160
n
160
ILE
160
B
PRO
161
n
161
PRO
161
B
ASN
162
n
162
ASN
162
B
ALA
163
n
163
ALA
163
B
PHE
164
n
164
PHE
164
B
VAL
165
n
165
VAL
165
B
ILE
166
n
166
ILE
166
B
GLY
167
n
167
GLY
167
B
TYR
168
n
168
TYR
168
B
GLY
169
n
169
GLY
169
B
LEU
170
n
170
LEU
170
B
ASP
171
n
171
ASP
171
B
TYR
172
n
172
TYR
172
B
ASP
173
n
173
ASP
173
B
ASP
174
n
174
ASP
174
B
THR
175
n
175
THR
175
B
TYR
176
n
176
TYR
176
B
ARG
177
n
177
ARG
177
B
GLU
178
n
178
GLU
178
B
LEU
179
n
179
LEU
179
B
ARG
180
n
180
ARG
180
B
ASP
181
n
181
ASP
181
B
ILE
182
n
182
ILE
182
B
VAL
183
n
183
VAL
183
B
VAL
184
n
184
VAL
184
B
LEU
185
n
185
LEU
185
B
ARG
186
n
186
ARG
186
B
PRO
187
n
187
PRO
187
B
GLU
188
n
188
GLU
188
B
VAL
189
n
189
VAL
189
B
TYR
190
n
190
TYR
190
B
ALA
191
n
191
ALA
191
B
GLU
192
n
192
GLU
192
B
ARG
193
n
193
ARG
193
B
GLU
194
n
194
GLU
194
B
ALA
195
n
195
ALA
195
B
ALA
196
n
196
ALA
196
B
ARG
197
n
197
ARG
197
B
n
198
198
B
n
199
199
B
n
200
200
B
n
201
201
B
n
202
202
B
n
203
203
B
n
204
204
B
n
205
205
B
n
206
206
B
n
207
207
B
n
208
208
B
n
209
209
B
n
210
210
B
n
211
211
B
n
212
212
B
n
213
213
B
n
214
214
B
n
215
215
B
n
216
216
B
n
217
217
B
n
218
218
B
n
219
219
B
n
220
220
B
n
221
221
B
author_and_software_defined_assembly
PISA
2
dimeric
5740
-70
15060
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
A
PRP
801
F
O1B
PRP
1_555
86.8
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
A
PRP
801
F
O2A
PRP
1_555
166.4
A
PRP
801
F
O1B
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
PRP
801
F
O2A
PRP
1_555
80.5
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5504
L
O
HOH
1_555
91.3
A
PRP
801
F
O1B
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5504
L
O
HOH
1_555
89.9
A
PRP
801
F
O2A
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5504
L
O
HOH
1_555
93.3
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5505
L
O
HOH
1_555
92.0
A
PRP
801
F
O1B
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5505
L
O
HOH
1_555
177.9
A
PRP
801
F
O2A
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5505
L
O
HOH
1_555
100.9
A
HOH
5504
L
O
HOH
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5505
L
O
HOH
1_555
88.5
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
87.3
A
PRP
801
F
O1B
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
93.4
A
PRP
801
F
O2A
PRP
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
88.8
A
HOH
5504
L
O
HOH
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
176.3
A
HOH
5505
L
O
HOH
1_555
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
88.2
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O1
PRP
1_555
62.3
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O2
PRP
1_555
83.6
A
PRP
801
F
O1
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O2
PRP
1_555
62.4
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O3B
PRP
1_555
140.0
A
PRP
801
F
O1
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O3B
PRP
1_555
77.9
A
PRP
801
F
O2
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
PRP
801
F
O3B
PRP
1_555
82.2
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5502
L
O
HOH
1_555
117.5
A
PRP
801
F
O1
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5502
L
O
HOH
1_555
167.2
A
PRP
801
F
O2
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5502
L
O
HOH
1_555
104.9
A
PRP
801
F
O3B
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5502
L
O
HOH
1_555
102.3
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
78.9
A
PRP
801
F
O1
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
88.2
A
PRP
801
F
O2
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
150.3
A
PRP
801
F
O3B
PRP
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
96.0
A
HOH
5502
L
O
HOH
1_555
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
104.5
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
B
PRP
811
J
O2A
PRP
1_555
167.8
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
B
PRP
811
J
O1B
PRP
1_555
80.1
B
PRP
811
J
O2A
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
PRP
811
J
O1B
PRP
1_555
88.3
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5507
M
O
HOH
1_555
88.1
B
PRP
811
J
O2A
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5507
M
O
HOH
1_555
95.6
B
PRP
811
J
O1B
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5507
M
O
HOH
1_555
89.9
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5508
M
O
HOH
1_555
86.6
B
PRP
811
J
O2A
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5508
M
O
HOH
1_555
105.1
B
PRP
811
J
O1B
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5508
M
O
HOH
1_555
166.6
B
HOH
5507
M
O
HOH
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5508
M
O
HOH
1_555
87.8
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
84.7
B
PRP
811
J
O2A
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
92.4
B
PRP
811
J
O1B
PRP
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
93.7
B
HOH
5507
M
O
HOH
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
171.3
B
HOH
5508
M
O
HOH
1_555
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
86.9
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O2
PRP
1_555
73.8
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O3B
PRP
1_555
159.1
B
PRP
811
J
O2
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O3B
PRP
1_555
92.8
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O1
PRP
1_555
75.1
B
PRP
811
J
O2
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O1
PRP
1_555
68.7
B
PRP
811
J
O3B
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
PRP
811
J
O1
PRP
1_555
85.2
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5510
M
O
HOH
1_555
98.2
B
PRP
811
J
O2
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5510
M
O
HOH
1_555
95.7
B
PRP
811
J
O3B
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5510
M
O
HOH
1_555
99.0
B
PRP
811
J
O1
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5510
M
O
HOH
1_555
164.1
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
91.1
B
PRP
811
J
O2
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
159.5
B
PRP
811
J
O3B
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
97.3
B
PRP
811
J
O1
PRP
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
94.4
B
HOH
5510
M
O
HOH
1_555
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
100.2
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
LYS
10
A
N
LYS
10
A
O
VAL
184
A
O
VAL
184
A
O
VAL
183
A
O
VAL
183
A
N
ILE
166
A
N
ILE
166
A
O
ARG
93
A
O
ARG
93
A
N
SER
80
A
N
SER
80
A
O
ARG
73
A
O
ARG
73
A
N
LEU
47
A
N
LEU
47
A
N
ILE
48
A
N
ILE
48
A
O
VAL
110
A
O
VAL
110
A
N
ILE
109
A
N
ILE
109
A
O
VAL
138
A
O
VAL
138
A
N
VAL
139
A
N
VAL
139
A
O
TYR
155
A
O
TYR
155
B
N
LYS
10
B
N
LYS
10
B
O
VAL
184
B
O
VAL
184
B
O
VAL
183
B
O
VAL
183
B
N
ILE
166
B
N
ILE
166
B
O
ARG
93
B
O
ARG
93
B
N
SER
80
B
N
SER
80
B
O
GLU
75
B
O
GLU
75
B
N
SER
49
B
N
SER
49
B
N
VAL
46
B
N
VAL
46
B
O
HIS
106
B
O
HIS
106
B
N
ILE
109
B
N
ILE
109
B
O
LYS
136
B
O
LYS
136
B
N
VAL
139
B
N
VAL
139
B
O
TYR
155
B
O
TYR
155
1
A
CG
GLU
6
A
CG
GLU
6
1
Y
1
A
CD
GLU
6
A
CD
GLU
6
1
Y
1
A
OE1
GLU
6
A
OE1
GLU
6
1
Y
1
A
OE2
GLU
6
A
OE2
GLU
6
1
Y
1
A
CG
LYS
23
A
CG
LYS
23
1
Y
1
A
CD
LYS
23
A
CD
LYS
23
1
Y
1
A
CE
LYS
23
A
CE
LYS
23
1
Y
1
A
NZ
LYS
23
A
NZ
LYS
23
1
Y
1
A
CG
LYS
27
A
CG
LYS
27
1
Y
1
A
CD
LYS
27
A
CD
LYS
27
1
Y
1
A
CE
LYS
27
A
CE
LYS
27
1
Y
1
A
NZ
LYS
27
A
NZ
LYS
27
1
Y
1
A
CG
LYS
34
A
CG
LYS
34
1
Y
1
A
CD
LYS
34
A
CD
LYS
34
1
Y
1
A
CE
LYS
34
A
CE
LYS
34
1
Y
1
A
NZ
LYS
34
A
NZ
LYS
34
1
Y
1
A
CG
ARG
39
A
CG
ARG
39
1
Y
1
A
CD
ARG
39
A
CD
ARG
39
1
Y
1
A
NE
ARG
39
A
NE
ARG
39
1
Y
1
A
CZ
ARG
39
A
CZ
ARG
39
1
Y
1
A
NH1
ARG
39
A
NH1
ARG
39
1
Y
1
A
NH2
ARG
39
A
NH2
ARG
39
1
Y
1
A
CG
GLU
84
A
CG
GLU
84
1
Y
1
A
CD
GLU
84
A
CD
GLU
84
1
Y
1
A
OE1
GLU
84
A
OE1
GLU
84
1
Y
1
A
OE2
GLU
84
A
OE2
GLU
84
1
Y
1
A
CG
ARG
99
A
CG
ARG
99
1
Y
1
A
CD
ARG
99
A
CD
ARG
99
1
Y
1
A
NE
ARG
99
A
NE
ARG
99
1
Y
1
A
CZ
ARG
99
A
CZ
ARG
99
1
Y
1
A
NH1
ARG
99
A
NH1
ARG
99
1
Y
1
A
NH2
ARG
99
A
NH2
ARG
99
1
Y
1
A
CG
ARG
131
A
CG
ARG
131
1
Y
1
A
CD
ARG
131
A
CD
ARG
131
1
Y
1
A
NE
ARG
131
A
NE
ARG
131
1
Y
1
A
CZ
ARG
131
A
CZ
ARG
131
1
Y
1
A
NH1
ARG
131
A
NH1
ARG
131
1
Y
1
A
NH2
ARG
131
A
NH2
ARG
131
1
Y
1
A
CG
GLU
188
A
CG
GLU
188
1
Y
1
A
CD
GLU
188
A
CD
GLU
188
1
Y
1
A
OE1
GLU
188
A
OE1
GLU
188
1
Y
1
A
OE2
GLU
188
A
OE2
GLU
188
1
Y
1
A
CG
TYR
190
A
CG
TYR
190
1
Y
1
A
CD1
TYR
190
A
CD1
TYR
190
1
Y
1
A
CD2
TYR
190
A
CD2
TYR
190
1
Y
1
A
CE1
TYR
190
A
CE1
TYR
190
1
Y
1
A
CE2
TYR
190
A
CE2
TYR
190
1
Y
1
A
CZ
TYR
190
A
CZ
TYR
190
1
Y
1
A
OH
TYR
190
A
OH
TYR
190
1
Y
1
B
CG
GLU
6
B
CG
GLU
6
1
Y
1
B
CD
GLU
6
B
CD
GLU
6
1
Y
1
B
OE1
GLU
6
B
OE1
GLU
6
1
Y
1
B
OE2
GLU
6
B
OE2
GLU
6
1
Y
1
B
CG
LYS
23
B
CG
LYS
23
1
Y
1
B
CD
LYS
23
B
CD
LYS
23
1
Y
1
B
CE
LYS
23
B
CE
LYS
23
1
Y
1
B
NZ
LYS
23
B
NZ
LYS
23
1
Y
1
B
CG
ARG
28
B
CG
ARG
28
1
Y
1
B
CD
ARG
28
B
CD
ARG
28
1
Y
1
B
NE
ARG
28
B
NE
ARG
28
1
Y
1
B
CZ
ARG
28
B
CZ
ARG
28
1
Y
1
B
NH1
ARG
28
B
NH1
ARG
28
1
Y
1
B
NH2
ARG
28
B
NH2
ARG
28
1
Y
1
B
CG
LYS
34
B
CG
LYS
34
1
Y
1
B
CD
LYS
34
B
CD
LYS
34
1
Y
1
B
CE
LYS
34
B
CE
LYS
34
1
Y
1
B
NZ
LYS
34
B
NZ
LYS
34
1
Y
1
B
CG
ARG
39
B
CG
ARG
39
1
Y
1
B
CD
ARG
39
B
CD
ARG
39
1
Y
1
B
NE
ARG
39
B
NE
ARG
39
1
Y
1
B
CZ
ARG
39
B
CZ
ARG
39
1
Y
1
B
NH1
ARG
39
B
NH1
ARG
39
1
Y
1
B
NH2
ARG
39
B
NH2
ARG
39
1
Y
1
B
CG
ARG
99
B
CG
ARG
99
1
Y
1
B
CD
ARG
99
B
CD
ARG
99
1
Y
1
B
NE
ARG
99
B
NE
ARG
99
1
Y
1
B
CZ
ARG
99
B
CZ
ARG
99
1
Y
1
B
NH1
ARG
99
B
NH1
ARG
99
1
Y
1
B
NH2
ARG
99
B
NH2
ARG
99
1
Y
1
B
CG
ARG
131
B
CG
ARG
131
1
Y
1
B
CD
ARG
131
B
CD
ARG
131
1
Y
1
B
NE
ARG
131
B
NE
ARG
131
1
Y
1
B
CZ
ARG
131
B
CZ
ARG
131
1
Y
1
B
NH1
ARG
131
B
NH1
ARG
131
1
Y
1
B
NH2
ARG
131
B
NH2
ARG
131
1
Y
1
B
CG
GLU
188
B
CG
GLU
188
1
Y
1
B
CD
GLU
188
B
CD
GLU
188
1
Y
1
B
OE1
GLU
188
B
OE1
GLU
188
1
Y
1
B
OE2
GLU
188
B
OE2
GLU
188
1
Y
1
B
CG
ARG
197
B
CG
ARG
197
1
Y
1
B
CD
ARG
197
B
CD
ARG
197
1
Y
1
B
NE
ARG
197
B
NE
ARG
197
1
Y
1
B
CZ
ARG
197
B
CZ
ARG
197
1
Y
1
B
NH1
ARG
197
B
NH1
ARG
197
1
Y
1
B
NH2
ARG
197
B
NH2
ARG
197
1
Y
1
A
MET
1
A
MET
1
1
Y
1
A
PRO
2
A
PRO
2
1
Y
1
A
ARG
3
A
ARG
3
1
Y
1
A
GLU
4
A
GLU
4
1
Y
1
A
GLU
192
A
GLU
192
1
Y
1
A
ARG
193
A
ARG
193
1
Y
1
A
GLU
194
A
GLU
194
1
Y
1
A
ALA
195
A
ALA
195
1
Y
1
A
ALA
196
A
ALA
196
1
Y
1
A
ARG
197
A
ARG
197
1
Y
1
A
GLY
198
A
GLY
198
1
Y
1
A
LYS
199
A
LYS
199
1
Y
1
A
LYS
200
A
LYS
200
1
Y
1
A
GLN
201
A
GLN
201
1
Y
1
A
ARG
202
A
ARG
202
1
Y
1
A
ALA
203
A
ALA
203
1
Y
1
A
ILE
204
A
ILE
204
1
Y
1
A
GLY
205
A
GLY
205
1
Y
1
A
SER
206
A
SER
206
1
Y
1
A
ALA
207
A
ALA
207
1
Y
1
A
ASP
208
A
ASP
208
1
Y
1
A
THR
209
A
THR
209
1
Y
1
A
ASP
210
A
ASP
210
1
Y
1
A
ARG
211
A
ARG
211
1
Y
1
A
ASP
212
A
ASP
212
1
Y
1
A
ALA
213
A
ALA
213
1
Y
1
A
LYS
214
A
LYS
214
1
Y
1
A
ARG
215
A
ARG
215
1
Y
1
A
GLU
216
A
GLU
216
1
Y
1
A
PHE
217
A
PHE
217
1
Y
1
A
HIS
218
A
HIS
218
1
Y
1
A
SER
219
A
SER
219
1
Y
1
A
LYS
220
A
LYS
220
1
Y
1
A
TYR
221
A
TYR
221
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
PRO
2
B
PRO
2
1
Y
1
B
ARG
3
B
ARG
3
1
Y
1
B
GLU
4
B
GLU
4
1
Y
1
B
GLY
198
B
GLY
198
1
Y
1
B
LYS
199
B
LYS
199
1
Y
1
B
LYS
200
B
LYS
200
1
Y
1
B
GLN
201
B
GLN
201
1
Y
1
B
ARG
202
B
ARG
202
1
Y
1
B
ALA
203
B
ALA
203
1
Y
1
B
ILE
204
B
ILE
204
1
Y
1
B
GLY
205
B
GLY
205
1
Y
1
B
SER
206
B
SER
206
1
Y
1
B
ALA
207
B
ALA
207
1
Y
1
B
ASP
208
B
ASP
208
1
Y
1
B
THR
209
B
THR
209
1
Y
1
B
ASP
210
B
ASP
210
1
Y
1
B
ARG
211
B
ARG
211
1
Y
1
B
ASP
212
B
ASP
212
1
Y
1
B
ALA
213
B
ALA
213
1
Y
1
B
LYS
214
B
LYS
214
1
Y
1
B
ARG
215
B
ARG
215
1
Y
1
B
GLU
216
B
GLU
216
1
Y
1
B
PHE
217
B
PHE
217
1
Y
1
B
HIS
218
B
HIS
218
1
Y
1
B
SER
219
B
SER
219
1
Y
1
B
LYS
220
B
LYS
220
1
Y
1
B
TYR
221
B
TYR
221
1
Y
1
A
TYR
41
67.99
-60.03
1
A
SER
88
-150.36
4.03
1
A
ALA
115
-133.38
-81.70
1
B
TYR
41
72.37
-56.98
1
B
ASN
43
-147.43
56.36
1
B
SER
81
-150.61
-43.19
1
B
ALA
115
-121.60
-92.10
1
B
ALA
196
-62.29
11.13
PARHCSDX.PRO
TOPHCSDX.PRO
PARAM11X.DNA
TOPH11.DNA
PRPP.PAR
PRPP.TOP
PARAM19.ION
TOPH19.ION
PARAM11.WAT
TOPH11.WAT
PATCH STATEMENTS WERE USED FOR CIS PEPTIDES AND METAL-OXYGEN BONDS
0.252
0.192
0.250
1.84
6.0
2082
29126
7.10
95.8
random
1
THROUGHOUT
2.0
MOLECULAR REPLACEMENT
pdb entry 1tc2 with ligands, water molecules and loop II removed
Engh & Huber
1.84
6.0
171
3228
78
0
2979
0.011
1.57
0.318
0.271
1.84
116
1340
15
7.9
93.7
1.84
30.0
1I13
36405
-3
0.056
1
13.7
2.3
95.8
0.490
1.80
1.84
2.3
2.2
92.5
phasing
AMoRE
refinement
X-PLOR
3.851
data reduction
DENZO
data scaling
SCALEPACK
ANALYSIS OF AN INVARIANT ASPARTIC ACID IN HPRTS-ALANINE MUTANT
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
4
N
N
2
N
N
2
N
N
3
N
N
4
N
N
5
N
N
6
N
N
6
N
N
A
THR
14
A
THR
14
HELX_P
A
LYS
34
A
LYS
34
1
1
21
A
SER
54
A
SER
54
HELX_P
A
PHE
68
A
PHE
68
1
2
15
A
ALA
117
A
ALA
117
HELX_P
A
ARG
130
A
ARG
130
1
3
14
A
ARG
144
A
ARG
144
HELX_P
A
ARG
147
A
ARG
147
5
4
4
A
ARG
186
A
ARG
186
HELX_P
A
ALA
191
A
ALA
191
1
5
6
B
THR
14
B
THR
14
HELX_P
B
LYS
34
B
LYS
34
1
6
21
B
GLY
35
B
GLY
35
HELX_P
B
GLY
37
B
GLY
37
5
7
3
B
SER
54
B
SER
54
HELX_P
B
PHE
68
B
PHE
68
1
8
15
B
ALA
117
B
ALA
117
HELX_P
B
THR
129
B
THR
129
1
9
13
B
ARG
144
B
ARG
144
HELX_P
B
ARG
147
B
ARG
147
5
10
4
B
ARG
186
B
ARG
186
HELX_P
B
ALA
196
B
ALA
196
1
11
11
metalc
2.097
A
ASP
171
A
OD1
ASP
171
1_555
A
MG
902
D
MG
MG
1_555
metalc
2.283
A
PRP
801
F
O3
PRP
1_555
A
MG
900
C
MG
MG
1_555
metalc
2.594
A
PRP
801
F
O1
PRP
1_555
A
MG
900
C
MG
MG
1_555
metalc
2.281
A
PRP
801
F
O2
PRP
1_555
A
MG
900
C
MG
MG
1_555
metalc
2.268
A
PRP
801
F
O3B
PRP
1_555
A
MG
900
C
MG
MG
1_555
metalc
2.059
A
PRP
801
F
O1B
PRP
1_555
A
MG
902
D
MG
MG
1_555
metalc
2.117
A
PRP
801
F
O2A
PRP
1_555
A
MG
902
D
MG
MG
1_555
metalc
2.077
A
MG
900
C
MG
MG
1_555
A
HOH
5502
L
O
HOH
1_555
metalc
2.164
A
MG
900
C
MG
MG
1_555
A
HOH
5503
L
O
HOH
1_555
metalc
2.048
A
MG
902
D
MG
MG
1_555
A
HOH
5504
L
O
HOH
1_555
metalc
2.103
A
MG
902
D
MG
MG
1_555
A
HOH
5505
L
O
HOH
1_555
metalc
2.036
A
MG
902
D
MG
MG
1_555
A
HOH
5506
L
O
HOH
1_555
metalc
2.198
B
ASP
171
B
OD1
ASP
171
1_555
B
MG
912
G
MG
MG
1_555
metalc
2.130
B
PRP
811
J
O3
PRP
1_555
B
MG
910
H
MG
MG
1_555
metalc
2.129
B
PRP
811
J
O2
PRP
1_555
B
MG
910
H
MG
MG
1_555
metalc
2.107
B
PRP
811
J
O3B
PRP
1_555
B
MG
910
H
MG
MG
1_555
metalc
2.356
B
PRP
811
J
O1
PRP
1_555
B
MG
910
H
MG
MG
1_555
metalc
2.039
B
PRP
811
J
O2A
PRP
1_555
B
MG
912
G
MG
MG
1_555
metalc
2.232
B
PRP
811
J
O1B
PRP
1_555
B
MG
912
G
MG
MG
1_555
metalc
2.086
B
MG
910
H
MG
MG
1_555
B
HOH
5510
M
O
HOH
1_555
metalc
2.063
B
MG
910
H
MG
MG
1_555
B
HOH
5511
M
O
HOH
1_555
metalc
2.116
B
MG
912
G
MG
MG
1_555
B
HOH
5507
M
O
HOH
1_555
metalc
2.043
B
MG
912
G
MG
MG
1_555
B
HOH
5508
M
O
HOH
1_555
metalc
2.060
B
MG
912
G
MG
MG
1_555
B
HOH
5509
M
O
HOH
1_555
TRANSFERASE
PHOSPHORIBOSYLTRANSFERASE, NUCLEOTIDE METABOLISM, PURINE SALVAGE, TERNARY COMPLEX, CATALYTIC BASE, TRANSFERASE
A
LEU
51
A
LEU
51
1
A
LYS
52
A
LYS
52
0.02
B
LEU
51
B
LEU
51
1
B
LYS
52
B
LYS
52
2.44
Q27796_TRYCR
UNP
1
1
Q27796
MPREYEFAEKILFTEEEIRTRIMEVAKRIADDYKGKGLRPYVNPLVLISVLKGSFMFTADLCRALSDFNVPVRMEFICVS
SYGEGVTSSGQVRMLLDTRHSIEGHHVLIVEDIVDTALTLNYLYHMYFTRRPASLKTVVLLDKREGRRVPFSADYVVANI
PNAFVIGYGLDYDDTYRELRDIVVLRPEVYAEREAARGKKQRAIGSADTDRDAKREFHSKY
1
221
1I13
1
221
Q27796
A
1
1
221
1
221
1I13
1
221
Q27796
B
1
1
221
1
MET
SEE REMARK 999
LYS
23
1I13
A
Q27796
UNP
23
23
1
SER
SEE REMARK 999
CYS
66
1I13
A
Q27796
UNP
66
66
1
VAL
SEE REMARK 999
LEU
86
1I13
A
Q27796
UNP
86
86
1
ASP
engineered mutation
ALA
115
1I13
A
Q27796
UNP
115
115
2
MET
SEE REMARK 999
LYS
23
1I13
B
Q27796
UNP
23
23
2
SER
SEE REMARK 999
CYS
66
1I13
B
Q27796
UNP
66
66
2
VAL
SEE REMARK 999
LEU
86
1I13
B
Q27796
UNP
86
86
2
ASP
engineered mutation
ALA
115
1I13
B
Q27796
UNP
115
115
3
6
3
6
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
A
ALA
8
A
ALA
8
A
PHE
13
A
PHE
13
A
ILE
182
A
ILE
182
A
LEU
185
A
LEU
185
A
VAL
165
A
VAL
165
A
ILE
166
A
ILE
166
A
ARG
93
A
ARG
93
A
LEU
96
A
LEU
96
A
VAL
72
A
VAL
72
A
SER
80
A
SER
80
A
LEU
45
A
LEU
45
A
VAL
50
A
VAL
50
A
HIS
106
A
HIS
106
A
VAL
114
A
VAL
114
A
SER
134
A
SER
134
A
ASP
142
A
ASP
142
A
TYR
155
A
TYR
155
A
ASN
159
A
ASN
159
B
ALA
8
B
ALA
8
B
PHE
13
B
PHE
13
B
ILE
182
B
ILE
182
B
LEU
185
B
LEU
185
B
VAL
165
B
VAL
165
B
ILE
166
B
ILE
166
B
ARG
93
B
ARG
93
B
LEU
96
B
LEU
96
B
VAL
72
B
VAL
72
B
SER
80
B
SER
80
B
LEU
45
B
LEU
45
B
LEU
51
B
LEU
51
B
HIS
106
B
HIS
106
B
VAL
114
B
VAL
114
B
SER
134
B
SER
134
B
ASP
142
B
ASP
142
B
TYR
155
B
TYR
155
B
ASN
159
B
ASN
159
4
P 1 21 1