0.018408
0.010628
0.000000
0.000000
0.021255
0.000000
0.000000
0.000000
0.009196
0.00000
0.00000
0.00000
Shi, W.
Sarver, A.E.
Wang, C.C.
Tanaka, K.S.
Almo, S.C.
Schramm, V.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90
90
120
54.325
54.325
108.744
C6 H6 N4
134.139
9-DEAZAADENINE
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
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
N
Y
2
N
C
Y
3
N
N
Y
4
N
C
Y
5
N
C
Y
6
N
C
N
7
N
N
Y
8
N
N
Y
9
N
C
Y
10
N
C
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
N
N
18
S
C
N
19
N
C
N
20
N
O
N
21
N
C
N
22
N
O
N
23
N
H
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
N
N
31
S
C
N
32
N
C
N
33
N
O
N
34
N
C
N
35
N
C
N
36
N
C
N
37
N
N
N
38
N
C
N
39
N
N
N
40
N
N
N
41
N
O
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
H
N
56
N
H
N
57
N
N
N
58
S
C
N
59
N
C
N
60
N
O
N
61
N
C
N
62
N
C
N
63
N
O
N
64
N
N
N
65
N
O
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
H
N
73
N
H
N
74
N
N
N
75
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
O
N
81
N
O
N
82
N
O
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
N
N
91
R
C
N
92
N
C
N
93
N
O
N
94
N
C
N
95
N
S
N
96
N
O
N
97
N
H
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
N
N
105
S
C
N
106
N
C
N
107
N
O
N
108
N
C
N
109
N
C
N
110
N
C
N
111
N
O
N
112
N
N
N
113
N
O
N
114
N
H
N
115
N
H
N
116
N
H
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
N
N
125
S
C
N
126
N
C
N
127
N
O
N
128
N
C
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
O
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
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
N
N
144
N
C
N
145
N
C
N
146
N
O
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
N
N
154
S
C
N
155
N
C
N
156
N
O
N
157
N
C
Y
158
N
C
Y
159
N
N
Y
160
N
C
Y
161
N
C
Y
162
N
N
N
163
N
O
N
164
N
H
N
165
N
H
N
166
N
H
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
O
N
175
N
H
N
176
N
H
N
177
N
N
N
178
S
C
N
179
N
C
N
180
N
O
N
181
S
C
N
182
N
C
N
183
N
C
N
184
N
C
N
185
N
O
N
186
N
H
N
187
N
H
N
188
N
H
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
N
N
200
S
C
N
201
N
C
N
202
N
O
N
203
N
C
N
204
N
C
N
205
N
C
N
206
N
C
N
207
N
O
N
208
N
H
N
209
N
H
N
210
N
H
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
N
N
222
S
C
N
223
N
C
N
224
N
O
N
225
N
C
N
226
N
C
N
227
N
C
N
228
N
C
N
229
N
N
N
230
N
O
N
231
N
H
N
232
N
H
N
233
N
H
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
N
N
247
S
C
N
248
N
C
N
249
N
O
N
250
N
C
N
251
N
C
N
252
N
S
N
253
N
C
N
254
N
O
N
255
N
H
N
256
N
H
N
257
N
H
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
MG
N
267
N
N
N
268
S
C
N
269
N
C
N
270
N
O
N
271
N
C
Y
272
N
C
Y
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
N
278
N
O
N
279
N
H
N
280
N
H
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
C
N
296
N
C
N
297
N
O
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
H
N
305
N
H
N
306
N
H
N
307
R
C
N
308
R
C
N
309
S
C
N
310
R
C
N
311
N
C
N
312
N
O
N
313
N
O
N
314
N
O
N
315
N
O
N
316
N
O
N
317
N
P
N
318
N
O
N
319
N
O
N
320
N
O
N
321
R
P
N
322
N
O
N
323
N
O
N
324
N
O
N
325
N
P
N
326
N
O
N
327
N
O
N
328
N
O
N
329
N
H
N
330
N
H
N
331
N
H
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
N
N
343
S
C
N
344
N
C
N
345
N
O
N
346
N
C
N
347
N
O
N
348
N
O
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
N
N
357
S
C
N
358
N
C
N
359
N
O
N
360
R
C
N
361
N
O
N
362
N
C
N
363
N
O
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
H
N
373
N
N
N
374
S
C
N
375
N
C
N
376
N
O
N
377
N
C
Y
378
N
C
Y
379
N
C
Y
380
N
C
Y
381
N
C
Y
382
N
C
Y
383
N
C
N
384
N
O
N
385
N
O
N
386
N
H
N
387
N
H
N
388
N
H
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
N
N
398
S
C
N
399
N
C
N
400
N
O
N
401
N
C
N
402
N
C
N
403
N
C
N
404
N
O
N
405
N
H
N
406
N
H
N
407
N
H
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
Y
1
N
doub
Y
2
N
sing
Y
3
N
sing
N
4
N
sing
Y
5
N
doub
Y
6
N
sing
Y
7
N
sing
Y
8
N
doub
Y
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
Y
13
N
sing
N
14
N
sing
Y
15
N
doub
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
sing
N
23
N
sing
N
24
N
doub
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
sing
N
35
N
sing
N
36
N
doub
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
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
sing
N
62
N
doub
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
doub
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
sing
N
77
N
sing
N
78
N
doub
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
doub
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
sing
N
92
N
sing
N
93
N
doub
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
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
doub
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
doub
N
115
N
sing
N
116
N
sing
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
doub
N
126
N
sing
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
doub
N
134
N
sing
N
135
N
sing
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
doub
N
144
N
sing
N
145
N
sing
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
doub
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
Y
157
N
sing
Y
158
N
doub
Y
159
N
doub
N
160
N
sing
Y
161
N
sing
N
162
N
sing
Y
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
doub
N
176
N
sing
N
177
N
sing
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
doub
N
197
N
sing
N
198
N
sing
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
doub
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
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
doub
N
242
N
sing
N
243
N
sing
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
doub
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
Y
265
N
doub
Y
266
N
sing
Y
267
N
sing
N
268
N
sing
Y
269
N
doub
N
270
N
sing
Y
271
N
doub
N
272
N
sing
Y
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
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
doub
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
doub
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
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
doub
N
336
N
sing
N
337
N
sing
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
doub
N
349
N
sing
N
350
N
sing
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
doub
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
Y
369
N
doub
Y
370
N
sing
Y
371
N
sing
N
372
N
sing
Y
373
N
doub
N
374
N
sing
Y
375
N
doub
N
376
N
sing
Y
377
N
sing
N
378
N
sing
N
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
doub
N
389
N
sing
N
390
N
sing
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
39981
39988
10.1074/jbc.M205596200
12171925
Closed Site Complexes of Adenine Phosphoribosyltransferase from Giardia lamblia
Reveal a Mechanism of Ribosyl Migration.
2002
10.2210/pdb1l1r/pdb
pdb_00001l1r
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
2001-06-07
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
0.98
1.0
X9B
NSLS
0.98
SYNCHROTRON
NSLS BEAMLINE X9B
20290.617
Adenine phosphoribosyltransferase
2.4.2.7
1
man
polymer
24.305
MAGNESIUM ION
1
syn
non-polymer
134.139
9-DEAZAADENINE
1
syn
non-polymer
390.070
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose
1
syn
non-polymer
18.015
water
79
nat
water
no
no
MTMSVADAHALIKTIPDFPTKGIAFKDLSDILSTPAALDAVRKEVTAHYKDVPITKVVGIESRGFILGGIVANSLGVGFV
ALRKAGKLPGDVCKCTFDMEYQKGVTIEVQKRQLGPHDVVLLHDDVLATGGTLLAAIELCETAGVKPENIYINVLYEIEA
LKGREKVGQKCTRLFSVIREHHHHHH
MTMSVADAHALIKTIPDFPTKGIAFKDLSDILSTPAALDAVRKEVTAHYKDVPITKVVGIESRGFILGGIVANSLGVGFV
ALRKAGKLPGDVCKCTFDMEYQKGVTIEVQKRQLGPHDVVLLHDDVLATGGTLLAAIELCETAGVKPENIYINVLYEIEA
LKGREKVGQKCTRLFSVIREHHHHHH
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
Giardia
Escherichia
sample
5741
Giardia intestinalis
562
Escherichia coli
1
2.2
44
VAPOR DIFFUSION, HANGING DROP
4.6
PEG 4000, ammonium acetate, urea, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
291
chem_comp
entity
pdbx_chem_comp_identifier
pdbx_entity_nonpoly
struct_conn
struct_ref_seq_dif
struct_site
struct_site_gen
chem_comp
chem_comp_atom
chem_comp_bond
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
Data collection
Database references
Refinement description
Structure summary
1
0
2002-11-27
1
1
2008-04-28
1
2
2011-07-13
1
3
2020-07-29
1
4
2023-08-16
_chem_comp.mon_nstd_flag
_chem_comp.name
_chem_comp.type
_entity.pdbx_description
_pdbx_entity_nonpoly.name
_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.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_ref_seq_dif.details
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
a-D-Ribf1PO35PO3
APRTase from Giardia lamblia complexed with 9-deazaadenine and sulfate
RCSB
Y
RCSB
2002-02-19
REL
MG
MAGNESIUM ION
9DA
9-DEAZAADENINE
PRP
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose
HOH
water
1L1Q
PDB ENTRY 1L1Q
PDB
experimental model
MG
400
2
MG
MG
400
A
9DA
201
3
9DA
9DA
201
A
PRP
301
4
PRP
PRP
301
A
HOH
401
5
HOH
HOH
401
A
HOH
402
5
HOH
HOH
402
A
HOH
403
5
HOH
HOH
403
A
HOH
404
5
HOH
HOH
404
A
HOH
405
5
HOH
HOH
405
A
HOH
406
5
HOH
HOH
406
A
HOH
407
5
HOH
HOH
407
A
HOH
408
5
HOH
HOH
408
A
HOH
409
5
HOH
HOH
409
A
HOH
410
5
HOH
HOH
410
A
HOH
411
5
HOH
HOH
411
A
HOH
412
5
HOH
HOH
412
A
HOH
413
5
HOH
HOH
413
A
HOH
414
5
HOH
HOH
414
A
HOH
415
5
HOH
HOH
415
A
HOH
416
5
HOH
HOH
416
A
HOH
417
5
HOH
HOH
417
A
HOH
418
5
HOH
HOH
418
A
HOH
419
5
HOH
HOH
419
A
HOH
420
5
HOH
HOH
420
A
HOH
421
5
HOH
HOH
421
A
HOH
422
5
HOH
HOH
422
A
HOH
424
5
HOH
HOH
424
A
HOH
425
5
HOH
HOH
425
A
HOH
426
5
HOH
HOH
426
A
HOH
427
5
HOH
HOH
427
A
HOH
428
5
HOH
HOH
428
A
HOH
429
5
HOH
HOH
429
A
HOH
430
5
HOH
HOH
430
A
HOH
431
5
HOH
HOH
431
A
HOH
432
5
HOH
HOH
432
A
HOH
433
5
HOH
HOH
433
A
HOH
434
5
HOH
HOH
434
A
HOH
435
5
HOH
HOH
435
A
HOH
436
5
HOH
HOH
436
A
HOH
437
5
HOH
HOH
437
A
HOH
438
5
HOH
HOH
438
A
HOH
439
5
HOH
HOH
439
A
HOH
440
5
HOH
HOH
440
A
HOH
441
5
HOH
HOH
441
A
HOH
442
5
HOH
HOH
442
A
HOH
443
5
HOH
HOH
443
A
HOH
444
5
HOH
HOH
444
A
HOH
445
5
HOH
HOH
445
A
HOH
446
5
HOH
HOH
446
A
HOH
447
5
HOH
HOH
447
A
HOH
448
5
HOH
HOH
448
A
HOH
449
5
HOH
HOH
449
A
HOH
450
5
HOH
HOH
450
A
HOH
451
5
HOH
HOH
451
A
HOH
452
5
HOH
HOH
452
A
HOH
453
5
HOH
HOH
453
A
HOH
454
5
HOH
HOH
454
A
HOH
455
5
HOH
HOH
455
A
HOH
456
5
HOH
HOH
456
A
HOH
457
5
HOH
HOH
457
A
HOH
458
5
HOH
HOH
458
A
HOH
459
5
HOH
HOH
459
A
HOH
460
5
HOH
HOH
460
A
HOH
461
5
HOH
HOH
461
A
HOH
462
5
HOH
HOH
462
A
HOH
463
5
HOH
HOH
463
A
HOH
464
5
HOH
HOH
464
A
HOH
465
5
HOH
HOH
465
A
HOH
466
5
HOH
HOH
466
A
HOH
467
5
HOH
HOH
467
A
HOH
468
5
HOH
HOH
468
A
HOH
469
5
HOH
HOH
469
A
HOH
470
5
HOH
HOH
470
A
HOH
471
5
HOH
HOH
471
A
HOH
472
5
HOH
HOH
472
A
HOH
473
5
HOH
HOH
473
A
HOH
474
5
HOH
HOH
474
A
HOH
475
5
HOH
HOH
475
A
HOH
476
5
HOH
HOH
476
A
HOH
477
5
HOH
HOH
477
A
HOH
478
5
HOH
HOH
478
A
HOH
479
5
HOH
HOH
479
A
HOH
480
5
HOH
HOH
480
A
n
1
1
A
THR
2
n
2
THR
2
A
MET
3
n
3
MET
3
A
SER
4
n
4
SER
4
A
VAL
5
n
5
VAL
5
A
ALA
6
n
6
ALA
6
A
ASP
7
n
7
ASP
7
A
ALA
8
n
8
ALA
8
A
HIS
9
n
9
HIS
9
A
ALA
10
n
10
ALA
10
A
LEU
11
n
11
LEU
11
A
ILE
12
n
12
ILE
12
A
LYS
13
n
13
LYS
13
A
THR
14
n
14
THR
14
A
ILE
15
n
15
ILE
15
A
PRO
16
n
16
PRO
16
A
ASP
17
n
17
ASP
17
A
PHE
18
n
18
PHE
18
A
PRO
19
n
19
PRO
19
A
THR
20
n
20
THR
20
A
LYS
21
n
21
LYS
21
A
GLY
22
n
22
GLY
22
A
ILE
23
n
23
ILE
23
A
ALA
24
n
24
ALA
24
A
PHE
25
n
25
PHE
25
A
LYS
26
n
26
LYS
26
A
ASP
27
n
27
ASP
27
A
LEU
28
n
28
LEU
28
A
SER
29
n
29
SER
29
A
ASP
30
n
30
ASP
30
A
ILE
31
n
31
ILE
31
A
LEU
32
n
32
LEU
32
A
SER
33
n
33
SER
33
A
THR
34
n
34
THR
34
A
PRO
35
n
35
PRO
35
A
ALA
36
n
36
ALA
36
A
ALA
37
n
37
ALA
37
A
LEU
38
n
38
LEU
38
A
ASP
39
n
39
ASP
39
A
ALA
40
n
40
ALA
40
A
VAL
41
n
41
VAL
41
A
ARG
42
n
42
ARG
42
A
LYS
43
n
43
LYS
43
A
GLU
44
n
44
GLU
44
A
VAL
45
n
45
VAL
45
A
THR
46
n
46
THR
46
A
ALA
47
n
47
ALA
47
A
HIS
48
n
48
HIS
48
A
TYR
49
n
49
TYR
49
A
LYS
50
n
50
LYS
50
A
ASP
51
n
51
ASP
51
A
VAL
52
n
52
VAL
52
A
PRO
53
n
53
PRO
53
A
ILE
54
n
54
ILE
54
A
THR
55
n
55
THR
55
A
LYS
56
n
56
LYS
56
A
VAL
57
n
57
VAL
57
A
VAL
58
n
58
VAL
58
A
GLY
59
n
59
GLY
59
A
ILE
60
n
60
ILE
60
A
GLU
61
n
61
GLU
61
A
SER
62
n
62
SER
62
A
ARG
63
n
63
ARG
63
A
GLY
64
n
64
GLY
64
A
PHE
65
n
65
PHE
65
A
ILE
66
n
66
ILE
66
A
LEU
67
n
67
LEU
67
A
GLY
68
n
68
GLY
68
A
GLY
69
n
69
GLY
69
A
ILE
70
n
70
ILE
70
A
VAL
71
n
71
VAL
71
A
ALA
72
n
72
ALA
72
A
ASN
73
n
73
ASN
73
A
SER
74
n
74
SER
74
A
LEU
75
n
75
LEU
75
A
GLY
76
n
76
GLY
76
A
VAL
77
n
77
VAL
77
A
GLY
78
n
78
GLY
78
A
PHE
79
n
79
PHE
79
A
VAL
80
n
80
VAL
80
A
ALA
81
n
81
ALA
81
A
LEU
82
n
82
LEU
82
A
ARG
83
n
83
ARG
83
A
LYS
84
n
84
LYS
84
A
ALA
85
n
85
ALA
85
A
GLY
86
n
86
GLY
86
A
LYS
87
n
87
LYS
87
A
LEU
88
n
88
LEU
88
A
PRO
89
n
89
PRO
89
A
GLY
90
n
90
GLY
90
A
ASP
91
n
91
ASP
91
A
VAL
92
n
92
VAL
92
A
CYS
93
n
93
CYS
93
A
LYS
94
n
94
LYS
94
A
CYS
95
n
95
CYS
95
A
THR
96
n
96
THR
96
A
PHE
97
n
97
PHE
97
A
ASP
98
n
98
ASP
98
A
MET
99
n
99
MET
99
A
GLU
100
n
100
GLU
100
A
TYR
101
n
101
TYR
101
A
ALA
102
n
102
GLN
102
A
ALA
103
n
103
LYS
103
A
GLY
104
n
104
GLY
104
A
ALA
105
n
105
VAL
105
A
THR
106
n
106
THR
106
A
ILE
107
n
107
ILE
107
A
GLU
108
n
108
GLU
108
A
VAL
109
n
109
VAL
109
A
GLN
110
n
110
GLN
110
A
LYS
111
n
111
LYS
111
A
ARG
112
n
112
ARG
112
A
GLN
113
n
113
GLN
113
A
LEU
114
n
114
LEU
114
A
GLY
115
n
115
GLY
115
A
PRO
116
n
116
PRO
116
A
HIS
117
n
117
HIS
117
A
ASP
118
n
118
ASP
118
A
VAL
119
n
119
VAL
119
A
VAL
120
n
120
VAL
120
A
LEU
121
n
121
LEU
121
A
LEU
122
n
122
LEU
122
A
HIS
123
n
123
HIS
123
A
ASP
124
n
124
ASP
124
A
ASP
125
n
125
ASP
125
A
VAL
126
n
126
VAL
126
A
LEU
127
n
127
LEU
127
A
ALA
128
n
128
ALA
128
A
THR
129
n
129
THR
129
A
GLY
130
n
130
GLY
130
A
GLY
131
n
131
GLY
131
A
THR
132
n
132
THR
132
A
LEU
133
n
133
LEU
133
A
LEU
134
n
134
LEU
134
A
ALA
135
n
135
ALA
135
A
ALA
136
n
136
ALA
136
A
ILE
137
n
137
ILE
137
A
GLU
138
n
138
GLU
138
A
LEU
139
n
139
LEU
139
A
CYS
140
n
140
CYS
140
A
GLU
141
n
141
GLU
141
A
THR
142
n
142
THR
142
A
ALA
143
n
143
ALA
143
A
GLY
144
n
144
GLY
144
A
VAL
145
n
145
VAL
145
A
LYS
146
n
146
LYS
146
A
PRO
147
n
147
PRO
147
A
GLU
148
n
148
GLU
148
A
ASN
149
n
149
ASN
149
A
ILE
150
n
150
ILE
150
A
TYR
151
n
151
TYR
151
A
ILE
152
n
152
ILE
152
A
ASN
153
n
153
ASN
153
A
VAL
154
n
154
VAL
154
A
LEU
155
n
155
LEU
155
A
TYR
156
n
156
TYR
156
A
GLU
157
n
157
GLU
157
A
ILE
158
n
158
ILE
158
A
GLU
159
n
159
GLU
159
A
ALA
160
n
160
ALA
160
A
LEU
161
n
161
LEU
161
A
LYS
162
n
162
LYS
162
A
GLY
163
n
163
GLY
163
A
ARG
164
n
164
ARG
164
A
GLU
165
n
165
GLU
165
A
LYS
166
n
166
LYS
166
A
VAL
167
n
167
VAL
167
A
GLY
168
n
168
GLY
168
A
GLN
169
n
169
GLN
169
A
LYS
170
n
170
LYS
170
A
CYS
171
n
171
CYS
171
A
THR
172
n
172
THR
172
A
ARG
173
n
173
ARG
173
A
LEU
174
n
174
LEU
174
A
PHE
175
n
175
PHE
175
A
SER
176
n
176
SER
176
A
VAL
177
n
177
VAL
177
A
ILE
178
n
178
ILE
178
A
ARG
179
n
179
ARG
179
A
GLU
180
n
180
GLU
180
A
n
181
181
A
n
182
182
A
n
183
183
A
n
184
184
A
n
185
185
A
n
186
186
A
author_and_software_defined_assembly
PISA,PQS
2
dimeric
5220
-39
13850
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O1
PRP
1_555
54.8
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O2
PRP
1_555
104.8
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O2
PRP
1_555
63.9
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3
PRP
1_555
127.9
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3
PRP
1_555
77.3
A
PRP
301
D
O2
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3
PRP
1_555
64.4
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3B
PRP
1_555
55.3
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3B
PRP
1_555
94.6
A
PRP
301
D
O2
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3B
PRP
1_555
94.8
A
PRP
301
D
O3
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
PRP
301
D
O3B
PRP
1_555
159.2
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
138.8
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
165.1
A
PRP
301
D
O2
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
102.4
A
PRP
301
D
O3
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
91.8
A
PRP
301
D
O3B
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
92.3
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
68.0
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
91.8
A
PRP
301
D
O2
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
151.5
A
PRP
301
D
O3
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
97.4
A
PRP
301
D
O3B
PRP
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
102.0
A
HOH
463
E
O
HOH
1_555
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
99.7
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
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
5_675
x-y+1,-y+2,-z+2/3
crystal symmetry operation
0.0000000000
94.0936601212
72.4960000000
A
N
LYS
13
A
N
LYS
13
A
O
ASP
27
A
O
ASP
27
A
N
PHE
97
A
N
PHE
97
A
O
VAL
105
A
O
VAL
105
A
O
GLU
108
A
O
GLU
108
A
N
ARG
83
A
N
ARG
83
A
O
VAL
80
A
O
VAL
80
A
N
VAL
57
A
N
VAL
57
A
N
VAL
58
A
N
VAL
58
A
O
HIS
123
A
O
HIS
123
A
N
LEU
122
A
N
LEU
122
A
O
TYR
151
A
O
TYR
151
A
N
GLU
157
A
N
GLU
157
A
O
ILE
178
A
O
ILE
178
1
A
HOH
466
E
HOH
1
A
HOH
472
E
HOH
1
A
CG
GLN
102
A
CG
GLN
102
1
Y
1
A
CD
GLN
102
A
CD
GLN
102
1
Y
1
A
OE1
GLN
102
A
OE1
GLN
102
1
Y
1
A
NE2
GLN
102
A
NE2
GLN
102
1
Y
1
A
CG
LYS
103
A
CG
LYS
103
1
Y
1
A
CD
LYS
103
A
CD
LYS
103
1
Y
1
A
CE
LYS
103
A
CE
LYS
103
1
Y
1
A
NZ
LYS
103
A
NZ
LYS
103
1
Y
1
A
CG1
VAL
105
A
CG1
VAL
105
1
Y
1
A
CG2
VAL
105
A
CG2
VAL
105
1
Y
1
A
MET
1
A
MET
1
1
Y
1
A
HIS
181
A
HIS
181
1
Y
1
A
HIS
182
A
HIS
182
1
Y
1
A
HIS
183
A
HIS
183
1
Y
1
A
HIS
184
A
HIS
184
1
Y
1
A
HIS
185
A
HIS
185
1
Y
1
A
HIS
186
A
HIS
186
1
Y
1
A
PRO
53
-73.61
49.81
1
A
GLN
102
-170.68
128.40
1
A
ALA
128
-103.25
-102.38
1
A
LYS
162
37.17
58.45
1
A
ARG
173
-102.30
78.77
30.5
4.77
5.29
0.00
4.77
0.00
-9.54
0.262
0.007
0.218
0.222
1.95
25.0
1309
13730
13041
10.0
92.4
random
1
RESTRAINED
THROUGHOUT
2.0
FOURIER SYNTHESIS
PDB ENTRY 1L1Q
Engh & Huber
flat model
37.9291
0.340042
0.30
0.25
5.00
0.21
0.19
1.95
25.0
79
1457
33
0
1345
0.008
1.4
24.7
0.84
0.284
0.022
0.272
2.07
171
1752
1922
6
8.9
83.4
12.8
1.95
25.0
1L1R
14082
14082
0.0
0.0
0.037
1
23.4
5.0
99.5
1.95
2.02
3.0
1387
0.369
1
4.8
99.8
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
Crystal Structure of APRTase from Giardia lamblia Complexed with 9-deazaadenine, Mg2+ and PRPP
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
The biological assembly is a dimer generated from the monomer in the asymmetric unit by applying the crystallographic 2-fold.
A
SER
4
A
SER
4
HELX_P
A
ALA
10
A
ALA
10
1
1
7
A
LEU
28
A
LEU
28
HELX_P
A
THR
34
A
THR
34
1
2
7
A
THR
34
A
THR
34
HELX_P
A
TYR
49
A
TYR
49
1
3
16
A
SER
62
A
SER
62
HELX_P
A
GLY
64
A
GLY
64
5
4
3
A
PHE
65
A
PHE
65
HELX_P
A
GLY
76
A
GLY
76
1
5
12
A
ARG
112
A
ARG
112
HELX_P
A
LEU
114
A
LEU
114
5
6
3
A
GLY
130
A
GLY
130
HELX_P
A
ALA
143
A
ALA
143
1
7
14
A
LYS
146
A
LYS
146
HELX_P
A
GLU
148
A
GLU
148
5
8
3
A
GLU
159
A
GLU
159
HELX_P
A
LEU
161
A
LEU
161
5
9
3
A
LYS
162
A
LYS
162
HELX_P
A
GLN
169
A
GLN
169
1
10
8
metalc
2.959
A
PRP
301
D
O3A
PRP
1_555
A
MG
400
B
MG
MG
1_555
metalc
2.302
A
PRP
301
D
O1
PRP
1_555
A
MG
400
B
MG
MG
1_555
metalc
2.546
A
PRP
301
D
O2
PRP
1_555
A
MG
400
B
MG
MG
1_555
metalc
2.476
A
PRP
301
D
O3
PRP
1_555
A
MG
400
B
MG
MG
1_555
metalc
2.246
A
PRP
301
D
O3B
PRP
1_555
A
MG
400
B
MG
MG
1_555
metalc
2.116
A
MG
400
B
MG
MG
1_555
A
HOH
463
E
O
HOH
1_555
metalc
2.133
A
MG
400
B
MG
MG
1_555
A
HOH
464
E
O
HOH
1_555
TRANSFERASE
APRTase, adenine, Giardia lamblia, purine metabolism, catalytic loop, TRANSFERASE
A
PHE
18
A
PHE
18
1
A
PRO
19
A
PRO
19
0.20
A
GLU
61
A
GLU
61
1
A
SER
62
A
SER
62
0.74
Q967M2_GIALA
UNP
1
1
Q967M2
MTMSVADAHALIKTIPDFPTKGIAFKDLSDILSTPAALDAVRKEVTAHYKDVPITKVVGIESRGFILGGIVANSLGVGFV
ALRKAGKLPGDVCKCTFDMEYQKGVTIEVQKRQLGPHDVVLLHDDVLATGGTLLAAIELCETAGVKPENIYINVLYEIEA
LKGREKVGQKCTRLFSVIRE
1
180
1L1R
1
180
Q967M2
A
1
1
180
1
expression tag
HIS
181
1L1R
A
Q967M2
UNP
181
1
expression tag
HIS
182
1L1R
A
Q967M2
UNP
182
2
7
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
A
LYS
13
A
LYS
13
A
ILE
15
A
ILE
15
A
PHE
25
A
PHE
25
A
ASP
27
A
ASP
27
A
VAL
92
A
VAL
92
A
MET
99
A
MET
99
A
GLN
102
A
GLN
102
A
GLN
110
A
GLN
110
A
GLY
78
A
GLY
78
A
LYS
84
A
LYS
84
A
LYS
56
A
LYS
56
A
ILE
60
A
ILE
60
A
VAL
120
A
VAL
120
A
LEU
127
A
LEU
127
A
ILE
150
A
ILE
150
A
GLU
157
A
GLU
157
A
LEU
174
A
LEU
174
A
ARG
179
A
ARG
179
152
P 31 2 1