0.009276
0.005356
0.000000
0.000000
0.010712
0.000000
0.000000
0.000000
0.023364
0.00000
0.00000
0.00000
Mol, C.D.
Kuo, C.-F.
Thayer, M.M.
Cunningham, R.P.
Tainer, J.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
107.800
107.800
42.800
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
UK
Nature
NATUAS
0006
0028-0836
374
381
386
10.1038/374381a0
7885481
Structure and function of the multifunctional DNA-repair enzyme exonuclease III.
1995
10.2210/pdb1ako/pdb
pdb_00001ako
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
292
1
COLLIMATOR
AREA DETECTOR
1992-05
XENTRONICS
NI FILTER
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH2R
31011.172
EXONUCLEASE III
3.1.11.2
1
man
polymer
18.015
water
190
nat
water
no
no
MKFVSFNINGLRARPHQLEAIVEKHQPDVIGLQETKVHDDMFPLEEVAKLGYNVFYHGQKGHYGVALLTKETPIAVRRGF
PGDDEEAQRRIIMAEIPSLLGNVTVINGYFPQGESRDHPIKFPAKAQFYQNLQNYLETELKRDNPVLIMGDMNISPTDLD
IGIGEENRKRWLRTGKCSFLPEEREWMDRLMSWGLVDTFRHANPQTADRFSWFDYRSKGFDDNRGLRIDLLLASQPLAEC
CVETGIDYEIRSMEKPSDHAPVWATFRR
MKFVSFNINGLRARPHQLEAIVEKHQPDVIGLQETKVHDDMFPLEEVAKLGYNVFYHGQKGHYGVALLTKETPIAVRRGF
PGDDEEAQRRIIMAEIPSLLGNVTVINGYFPQGESRDHPIKFPAKAQFYQNLQNYLETELKRDNPVLIMGDMNISPTDLD
IGIGEENRKRWLRTGKCSFLPEEREWMDRLMSWGLVDTFRHANPQTADRFSWFDYRSKGFDDNRGLRIDLLLASQPLAEC
CVETGIDYEIRSMEKPSDHAPVWATFRR
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Escherichia
Escherichia coli
K12
Escherichia
Escherichia coli
sample
BL21
XTH
83333
Escherichia coli
469008
Escherichia coli BL21(DE3)
BL21 DE3
PET24A
2
2.29
47.
7.0
13% PEG 4000, 1.0 M IMIDAZOLE/ MALATE, PH 7.0
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Source and taxonomy
Version format compliance
Data collection
Database references
1
0
1997-08-20
1
1
2008-03-24
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
Y
BNL
1997-05-26
REL
REL
HOH
water
HOH
1
2
HOH
HOH
269
A
HOH
2
2
HOH
HOH
270
A
HOH
3
2
HOH
HOH
271
A
HOH
4
2
HOH
HOH
272
A
HOH
5
2
HOH
HOH
273
A
HOH
6
2
HOH
HOH
274
A
HOH
7
2
HOH
HOH
275
A
HOH
8
2
HOH
HOH
276
A
HOH
9
2
HOH
HOH
277
A
HOH
10
2
HOH
HOH
278
A
HOH
11
2
HOH
HOH
279
A
HOH
12
2
HOH
HOH
280
A
HOH
14
2
HOH
HOH
281
A
HOH
15
2
HOH
HOH
282
A
HOH
16
2
HOH
HOH
283
A
HOH
17
2
HOH
HOH
284
A
HOH
18
2
HOH
HOH
285
A
HOH
19
2
HOH
HOH
286
A
HOH
20
2
HOH
HOH
287
A
HOH
21
2
HOH
HOH
288
A
HOH
22
2
HOH
HOH
289
A
HOH
23
2
HOH
HOH
290
A
HOH
24
2
HOH
HOH
291
A
HOH
25
2
HOH
HOH
292
A
HOH
26
2
HOH
HOH
293
A
HOH
27
2
HOH
HOH
294
A
HOH
28
2
HOH
HOH
295
A
HOH
29
2
HOH
HOH
296
A
HOH
30
2
HOH
HOH
297
A
HOH
31
2
HOH
HOH
298
A
HOH
32
2
HOH
HOH
299
A
HOH
33
2
HOH
HOH
300
A
HOH
34
2
HOH
HOH
301
A
HOH
35
2
HOH
HOH
302
A
HOH
36
2
HOH
HOH
303
A
HOH
37
2
HOH
HOH
304
A
HOH
38
2
HOH
HOH
305
A
HOH
39
2
HOH
HOH
306
A
HOH
40
2
HOH
HOH
307
A
HOH
41
2
HOH
HOH
308
A
HOH
42
2
HOH
HOH
309
A
HOH
43
2
HOH
HOH
310
A
HOH
44
2
HOH
HOH
311
A
HOH
45
2
HOH
HOH
312
A
HOH
46
2
HOH
HOH
313
A
HOH
47
2
HOH
HOH
314
A
HOH
48
2
HOH
HOH
315
A
HOH
49
2
HOH
HOH
316
A
HOH
50
2
HOH
HOH
317
A
HOH
51
2
HOH
HOH
318
A
HOH
52
2
HOH
HOH
319
A
HOH
53
2
HOH
HOH
320
A
HOH
54
2
HOH
HOH
321
A
HOH
55
2
HOH
HOH
322
A
HOH
56
2
HOH
HOH
323
A
HOH
57
2
HOH
HOH
324
A
HOH
58
2
HOH
HOH
325
A
HOH
59
2
HOH
HOH
326
A
HOH
60
2
HOH
HOH
327
A
HOH
61
2
HOH
HOH
328
A
HOH
62
2
HOH
HOH
329
A
HOH
63
2
HOH
HOH
330
A
HOH
64
2
HOH
HOH
331
A
HOH
65
2
HOH
HOH
332
A
HOH
66
2
HOH
HOH
333
A
HOH
67
2
HOH
HOH
334
A
HOH
68
2
HOH
HOH
335
A
HOH
69
2
HOH
HOH
336
A
HOH
70
2
HOH
HOH
337
A
HOH
71
2
HOH
HOH
338
A
HOH
72
2
HOH
HOH
339
A
HOH
73
2
HOH
HOH
340
A
HOH
74
2
HOH
HOH
341
A
HOH
75
2
HOH
HOH
342
A
HOH
76
2
HOH
HOH
343
A
HOH
77
2
HOH
HOH
344
A
HOH
78
2
HOH
HOH
345
A
HOH
79
2
HOH
HOH
346
A
HOH
80
2
HOH
HOH
347
A
HOH
81
2
HOH
HOH
348
A
HOH
82
2
HOH
HOH
349
A
HOH
83
2
HOH
HOH
350
A
HOH
84
2
HOH
HOH
351
A
HOH
85
2
HOH
HOH
352
A
HOH
86
2
HOH
HOH
353
A
HOH
87
2
HOH
HOH
354
A
HOH
88
2
HOH
HOH
355
A
HOH
89
2
HOH
HOH
356
A
HOH
90
2
HOH
HOH
357
A
HOH
91
2
HOH
HOH
358
A
HOH
92
2
HOH
HOH
359
A
HOH
93
2
HOH
HOH
360
A
HOH
94
2
HOH
HOH
361
A
HOH
95
2
HOH
HOH
362
A
HOH
96
2
HOH
HOH
363
A
HOH
97
2
HOH
HOH
364
A
HOH
98
2
HOH
HOH
365
A
HOH
99
2
HOH
HOH
366
A
HOH
100
2
HOH
HOH
367
A
HOH
101
2
HOH
HOH
368
A
HOH
102
2
HOH
HOH
369
A
HOH
103
2
HOH
HOH
370
A
HOH
104
2
HOH
HOH
371
A
HOH
105
2
HOH
HOH
372
A
HOH
106
2
HOH
HOH
373
A
HOH
107
2
HOH
HOH
374
A
HOH
108
2
HOH
HOH
375
A
HOH
109
2
HOH
HOH
376
A
HOH
110
2
HOH
HOH
377
A
HOH
111
2
HOH
HOH
378
A
HOH
112
2
HOH
HOH
379
A
HOH
113
2
HOH
HOH
380
A
HOH
114
2
HOH
HOH
381
A
HOH
115
2
HOH
HOH
382
A
HOH
116
2
HOH
HOH
383
A
HOH
117
2
HOH
HOH
384
A
HOH
118
2
HOH
HOH
385
A
HOH
119
2
HOH
HOH
386
A
HOH
120
2
HOH
HOH
387
A
HOH
121
2
HOH
HOH
388
A
HOH
122
2
HOH
HOH
389
A
HOH
123
2
HOH
HOH
390
A
HOH
124
2
HOH
HOH
391
A
HOH
125
2
HOH
HOH
392
A
HOH
126
2
HOH
HOH
393
A
HOH
127
2
HOH
HOH
394
A
HOH
128
2
HOH
HOH
395
A
HOH
129
2
HOH
HOH
396
A
HOH
130
2
HOH
HOH
397
A
HOH
131
2
HOH
HOH
398
A
HOH
132
2
HOH
HOH
399
A
HOH
133
2
HOH
HOH
400
A
HOH
134
2
HOH
HOH
401
A
HOH
135
2
HOH
HOH
402
A
HOH
136
2
HOH
HOH
403
A
HOH
137
2
HOH
HOH
404
A
HOH
138
2
HOH
HOH
405
A
HOH
139
2
HOH
HOH
406
A
HOH
140
2
HOH
HOH
407
A
HOH
141
2
HOH
HOH
408
A
HOH
142
2
HOH
HOH
409
A
HOH
143
2
HOH
HOH
410
A
HOH
144
2
HOH
HOH
411
A
HOH
145
2
HOH
HOH
412
A
HOH
146
2
HOH
HOH
413
A
HOH
147
2
HOH
HOH
414
A
HOH
148
2
HOH
HOH
415
A
HOH
149
2
HOH
HOH
416
A
HOH
150
2
HOH
HOH
417
A
HOH
151
2
HOH
HOH
418
A
HOH
152
2
HOH
HOH
419
A
HOH
153
2
HOH
HOH
420
A
HOH
154
2
HOH
HOH
421
A
HOH
155
2
HOH
HOH
422
A
HOH
156
2
HOH
HOH
423
A
HOH
157
2
HOH
HOH
424
A
HOH
158
2
HOH
HOH
425
A
HOH
159
2
HOH
HOH
426
A
HOH
160
2
HOH
HOH
427
A
HOH
161
2
HOH
HOH
428
A
HOH
162
2
HOH
HOH
429
A
HOH
163
2
HOH
HOH
430
A
HOH
164
2
HOH
HOH
431
A
HOH
165
2
HOH
HOH
432
A
HOH
166
2
HOH
HOH
433
A
HOH
167
2
HOH
HOH
434
A
HOH
168
2
HOH
HOH
435
A
HOH
169
2
HOH
HOH
436
A
HOH
170
2
HOH
HOH
437
A
HOH
171
2
HOH
HOH
438
A
HOH
172
2
HOH
HOH
439
A
HOH
173
2
HOH
HOH
440
A
HOH
174
2
HOH
HOH
441
A
HOH
175
2
HOH
HOH
442
A
HOH
176
2
HOH
HOH
443
A
HOH
177
2
HOH
HOH
444
A
HOH
178
2
HOH
HOH
445
A
HOH
179
2
HOH
HOH
446
A
HOH
180
2
HOH
HOH
447
A
HOH
181
2
HOH
HOH
448
A
HOH
182
2
HOH
HOH
449
A
HOH
183
2
HOH
HOH
450
A
HOH
184
2
HOH
HOH
451
A
HOH
185
2
HOH
HOH
452
A
HOH
186
2
HOH
HOH
453
A
HOH
187
2
HOH
HOH
454
A
HOH
188
2
HOH
HOH
455
A
HOH
189
2
HOH
HOH
456
A
HOH
190
2
HOH
HOH
457
A
HOH
191
2
HOH
HOH
458
A
MET
1
n
1
MET
1
A
LYS
2
n
2
LYS
2
A
PHE
3
n
3
PHE
3
A
VAL
4
n
4
VAL
4
A
SER
5
n
5
SER
5
A
PHE
6
n
6
PHE
6
A
ASN
7
n
7
ASN
7
A
ILE
8
n
8
ILE
8
A
ASN
9
n
9
ASN
9
A
GLY
10
n
10
GLY
10
A
LEU
11
n
11
LEU
11
A
ARG
12
n
12
ARG
12
A
ALA
13
n
13
ALA
13
A
ARG
14
n
14
ARG
14
A
PRO
15
n
15
PRO
15
A
HIS
16
n
16
HIS
16
A
GLN
17
n
17
GLN
17
A
LEU
18
n
18
LEU
18
A
GLU
19
n
19
GLU
19
A
ALA
20
n
20
ALA
20
A
ILE
21
n
21
ILE
21
A
VAL
22
n
22
VAL
22
A
GLU
23
n
23
GLU
23
A
LYS
24
n
24
LYS
24
A
HIS
25
n
25
HIS
25
A
GLN
26
n
26
GLN
26
A
PRO
27
n
27
PRO
27
A
ASP
28
n
28
ASP
28
A
VAL
29
n
29
VAL
29
A
ILE
30
n
30
ILE
30
A
GLY
31
n
31
GLY
31
A
LEU
32
n
32
LEU
32
A
GLN
33
n
33
GLN
33
A
GLU
34
n
34
GLU
34
A
THR
35
n
35
THR
35
A
LYS
36
n
36
LYS
36
A
VAL
37
n
37
VAL
37
A
HIS
38
n
38
HIS
38
A
ASP
39
n
39
ASP
39
A
ASP
40
n
40
ASP
40
A
MET
41
n
41
MET
41
A
PHE
42
n
42
PHE
42
A
PRO
43
n
43
PRO
43
A
LEU
44
n
44
LEU
44
A
GLU
45
n
45
GLU
45
A
GLU
46
n
46
GLU
46
A
VAL
47
n
47
VAL
47
A
ALA
48
n
48
ALA
48
A
LYS
49
n
49
LYS
49
A
LEU
50
n
50
LEU
50
A
GLY
51
n
51
GLY
51
A
TYR
52
n
52
TYR
52
A
ASN
53
n
53
ASN
53
A
VAL
54
n
54
VAL
54
A
PHE
55
n
55
PHE
55
A
TYR
56
n
56
TYR
56
A
HIS
57
n
57
HIS
57
A
GLY
58
n
58
GLY
58
A
GLN
59
n
59
GLN
59
A
LYS
60
n
60
LYS
60
A
GLY
61
n
61
GLY
61
A
HIS
62
n
62
HIS
62
A
TYR
63
n
63
TYR
63
A
GLY
64
n
64
GLY
64
A
VAL
65
n
65
VAL
65
A
ALA
66
n
66
ALA
66
A
LEU
67
n
67
LEU
67
A
LEU
68
n
68
LEU
68
A
THR
69
n
69
THR
69
A
LYS
70
n
70
LYS
70
A
GLU
71
n
71
GLU
71
A
THR
72
n
72
THR
72
A
PRO
73
n
73
PRO
73
A
ILE
74
n
74
ILE
74
A
ALA
75
n
75
ALA
75
A
VAL
76
n
76
VAL
76
A
ARG
77
n
77
ARG
77
A
ARG
78
n
78
ARG
78
A
GLY
79
n
79
GLY
79
A
PHE
80
n
80
PHE
80
A
PRO
81
n
81
PRO
81
A
GLY
82
n
82
GLY
82
A
ASP
83
n
83
ASP
83
A
ASP
84
n
84
ASP
84
A
GLU
85
n
85
GLU
85
A
GLU
86
n
86
GLU
86
A
ALA
87
n
87
ALA
87
A
GLN
88
n
88
GLN
88
A
ARG
89
n
89
ARG
89
A
ARG
90
n
90
ARG
90
A
ILE
91
n
91
ILE
91
A
ILE
92
n
92
ILE
92
A
MET
93
n
93
MET
93
A
ALA
94
n
94
ALA
94
A
GLU
95
n
95
GLU
95
A
ILE
96
n
96
ILE
96
A
PRO
97
n
97
PRO
97
A
SER
98
n
98
SER
98
A
LEU
99
n
99
LEU
99
A
LEU
100
n
100
LEU
100
A
GLY
101
n
101
GLY
101
A
ASN
102
n
102
ASN
102
A
VAL
103
n
103
VAL
103
A
THR
104
n
104
THR
104
A
VAL
105
n
105
VAL
105
A
ILE
106
n
106
ILE
106
A
ASN
107
n
107
ASN
107
A
GLY
108
n
108
GLY
108
A
TYR
109
n
109
TYR
109
A
PHE
110
n
110
PHE
110
A
PRO
111
n
111
PRO
111
A
GLN
112
n
112
GLN
112
A
GLY
113
n
113
GLY
113
A
GLU
114
n
114
GLU
114
A
SER
115
n
115
SER
115
A
ARG
116
n
116
ARG
116
A
ASP
117
n
117
ASP
117
A
HIS
118
n
118
HIS
118
A
PRO
119
n
119
PRO
119
A
ILE
120
n
120
ILE
120
A
LYS
121
n
121
LYS
121
A
PHE
122
n
122
PHE
122
A
PRO
123
n
123
PRO
123
A
ALA
124
n
124
ALA
124
A
LYS
125
n
125
LYS
125
A
ALA
126
n
126
ALA
126
A
GLN
127
n
127
GLN
127
A
PHE
128
n
128
PHE
128
A
TYR
129
n
129
TYR
129
A
GLN
130
n
130
GLN
130
A
ASN
131
n
131
ASN
131
A
LEU
132
n
132
LEU
132
A
GLN
133
n
133
GLN
133
A
ASN
134
n
134
ASN
134
A
TYR
135
n
135
TYR
135
A
LEU
136
n
136
LEU
136
A
GLU
137
n
137
GLU
137
A
THR
138
n
138
THR
138
A
GLU
139
n
139
GLU
139
A
LEU
140
n
140
LEU
140
A
LYS
141
n
141
LYS
141
A
ARG
142
n
142
ARG
142
A
ASP
143
n
143
ASP
143
A
ASN
144
n
144
ASN
144
A
PRO
145
n
145
PRO
145
A
VAL
146
n
146
VAL
146
A
LEU
147
n
147
LEU
147
A
ILE
148
n
148
ILE
148
A
MET
149
n
149
MET
149
A
GLY
150
n
150
GLY
150
A
ASP
151
n
151
ASP
151
A
MET
152
n
152
MET
152
A
ASN
153
n
153
ASN
153
A
ILE
154
n
154
ILE
154
A
SER
155
n
155
SER
155
A
PRO
156
n
156
PRO
156
A
THR
157
n
157
THR
157
A
ASP
158
n
158
ASP
158
A
LEU
159
n
159
LEU
159
A
ASP
160
n
160
ASP
160
A
ILE
161
n
161
ILE
161
A
GLY
162
n
162
GLY
162
A
ILE
163
n
163
ILE
163
A
GLY
164
n
164
GLY
164
A
GLU
165
n
165
GLU
165
A
GLU
166
n
166
GLU
166
A
ASN
167
n
167
ASN
167
A
ARG
168
n
168
ARG
168
A
LYS
169
n
169
LYS
169
A
ARG
170
n
170
ARG
170
A
TRP
171
n
171
TRP
171
A
LEU
172
n
172
LEU
172
A
ARG
173
n
173
ARG
173
A
THR
174
n
174
THR
174
A
GLY
175
n
175
GLY
175
A
LYS
176
n
176
LYS
176
A
CYS
177
n
177
CYS
177
A
SER
178
n
178
SER
178
A
PHE
179
n
179
PHE
179
A
LEU
180
n
180
LEU
180
A
PRO
181
n
181
PRO
181
A
GLU
182
n
182
GLU
182
A
GLU
183
n
183
GLU
183
A
ARG
184
n
184
ARG
184
A
GLU
185
n
185
GLU
185
A
TRP
186
n
186
TRP
186
A
MET
187
n
187
MET
187
A
ASP
188
n
188
ASP
188
A
ARG
189
n
189
ARG
189
A
LEU
190
n
190
LEU
190
A
MET
191
n
191
MET
191
A
SER
192
n
192
SER
192
A
TRP
193
n
193
TRP
193
A
GLY
194
n
194
GLY
194
A
LEU
195
n
195
LEU
195
A
VAL
196
n
196
VAL
196
A
ASP
197
n
197
ASP
197
A
THR
198
n
198
THR
198
A
PHE
199
n
199
PHE
199
A
ARG
200
n
200
ARG
200
A
HIS
201
n
201
HIS
201
A
ALA
202
n
202
ALA
202
A
ASN
203
n
203
ASN
203
A
PRO
204
n
204
PRO
204
A
GLN
205
n
205
GLN
205
A
THR
206
n
206
THR
206
A
ALA
207
n
207
ALA
207
A
ASP
208
n
208
ASP
208
A
ARG
209
n
209
ARG
209
A
PHE
210
n
210
PHE
210
A
SER
211
n
211
SER
211
A
TRP
212
n
212
TRP
212
A
PHE
213
n
213
PHE
213
A
ASP
214
n
214
ASP
214
A
TYR
215
n
215
TYR
215
A
ARG
216
n
216
ARG
216
A
SER
217
n
217
SER
217
A
LYS
218
n
218
LYS
218
A
GLY
219
n
219
GLY
219
A
PHE
220
n
220
PHE
220
A
ASP
221
n
221
ASP
221
A
ASP
222
n
222
ASP
222
A
ASN
223
n
223
ASN
223
A
ARG
224
n
224
ARG
224
A
GLY
225
n
225
GLY
225
A
LEU
226
n
226
LEU
226
A
ARG
227
n
227
ARG
227
A
ILE
228
n
228
ILE
228
A
ASP
229
n
229
ASP
229
A
LEU
230
n
230
LEU
230
A
LEU
231
n
231
LEU
231
A
LEU
232
n
232
LEU
232
A
ALA
233
n
233
ALA
233
A
SER
234
n
234
SER
234
A
GLN
235
n
235
GLN
235
A
PRO
236
n
236
PRO
236
A
LEU
237
n
237
LEU
237
A
ALA
238
n
238
ALA
238
A
GLU
239
n
239
GLU
239
A
CYS
240
n
240
CYS
240
A
CYS
241
n
241
CYS
241
A
VAL
242
n
242
VAL
242
A
GLU
243
n
243
GLU
243
A
THR
244
n
244
THR
244
A
GLY
245
n
245
GLY
245
A
ILE
246
n
246
ILE
246
A
ASP
247
n
247
ASP
247
A
TYR
248
n
248
TYR
248
A
GLU
249
n
249
GLU
249
A
ILE
250
n
250
ILE
250
A
ARG
251
n
251
ARG
251
A
SER
252
n
252
SER
252
A
MET
253
n
253
MET
253
A
GLU
254
n
254
GLU
254
A
LYS
255
n
255
LYS
255
A
PRO
256
n
256
PRO
256
A
SER
257
n
257
SER
257
A
ASP
258
n
258
ASP
258
A
HIS
259
n
259
HIS
259
A
ALA
260
n
260
ALA
260
A
PRO
261
n
261
PRO
261
A
VAL
262
n
262
VAL
262
A
TRP
263
n
263
TRP
263
A
ALA
264
n
264
ALA
264
A
THR
265
n
265
THR
265
A
PHE
266
n
266
PHE
266
A
ARG
267
n
267
ARG
267
A
ARG
268
n
268
ARG
268
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
ASN
53
A
O
ASN
53
A
N
THR
69
A
N
THR
69
A
O
ALA
66
A
O
ALA
66
A
N
LEU
32
A
N
LEU
32
A
O
VAL
29
A
O
VAL
29
A
N
VAL
4
A
N
VAL
4
A
O
PHE
3
A
O
PHE
3
A
N
ALA
264
A
N
ALA
264
A
O
TRP
263
A
O
TRP
263
A
N
GLY
245
A
N
GLY
245
A
O
ALA
75
A
O
ALA
75
A
N
GLU
95
A
N
GLU
95
A
O
ILE
92
A
O
ILE
92
A
N
ASN
107
A
N
ASN
107
A
O
THR
104
A
O
THR
104
A
N
LEU
147
A
N
LEU
147
A
O
ILE
148
A
O
ILE
148
A
N
LEU
232
A
N
LEU
232
A
O
ALA
233
A
O
ALA
233
A
N
VAL
196
A
N
VAL
196
1
A
TYR
63
49.78
-145.84
1
A
GLU
114
65.56
-71.57
1
A
SER
178
139.85
-45.50
1
A
PHE
179
-142.22
34.28
PARHCSDX.PRO
TOPHCSDX.PRO
PARAM19.SOL
TOPH19.SOL
TOPH19.PEP
17.7
AN OVERALL BULK SOLVENT CORRECTION WAS APPLIED USNG X-PLOR V3.8 AND LOW RESOLUTION DATA INCLUDED TO 20 ANGSTROMS
THE THREE RAMACHANDRAN OUTLIER RESIDUES (TYR 63, GLU 114,
AND SER 178) ALL RESIDE IN LOOPS ON THE DNA BINDING SURFACE
OF THE ENZYME AND MAY PLAY ROLES IN ENZYME FUNCTION.
0.2020000
0.1690000
0.1690000
1.7
20.0
2769
27067
10.
86.9
RANDOM
100000.
0.1
1
RESTRAINED
A POSTERIORI
0.0
MULTIPLE ISOMORPHOUS REPLACEMENT
1.7
20.0
190
2373
0
0
2183
0.008
1.391
24.19
1.181
1.47
2.23
3.37
5.25
0.3120000
0.3140000
1.78
270
2112
8
7.0
62.0
1.7
20.0
1AKO
28817
0.
0.0850000
1
6.9
92.
1.7
1.78
1.5
1
62.
phasing
PHASES
model building
X-PLOR
3.8
refinement
X-PLOR
3.8
data reduction
XENGEN
V. 1.3
data scaling
XENGEN
V. 1.3
phasing
X-PLOR
3.8
EXONUCLEASE III FROM ESCHERICHIA COLI
1
N
N
2
N
N
A
LEU
11
A
LEU
11
HELX_P
A
ALA
13
A
ALA
13
5
1
3
A
PRO
15
A
PRO
15
HELX_P
A
HIS
25
A
HIS
25
1
2
11
A
ASP
39
A
ASP
39
HELX_P
A
MET
41
A
MET
41
5
3
3
A
LEU
44
A
LEU
44
HELX_P
A
LYS
49
A
LYS
49
1
4
6
A
GLU
85
A
GLU
85
HELX_P
A
ARG
89
A
ARG
89
1
5
5
A
LYS
121
A
LYS
121
HELX_P
A
GLU
139
A
GLU
139
1
6
19
A
ASP
158
A
ASP
158
HELX_P
A
ASP
160
A
ASP
160
5
7
3
A
GLU
165
A
GLU
165
HELX_P
A
THR
174
A
THR
174
1
8
10
A
PRO
181
A
PRO
181
HELX_P
A
GLY
194
A
GLY
194
1
9
14
A
THR
198
A
THR
198
HELX_P
A
ALA
202
A
ALA
202
1
10
5
A
GLY
219
A
GLY
219
HELX_P
A
ASP
222
A
ASP
222
1
11
4
A
GLN
235
A
GLN
235
HELX_P
A
CYS
240
A
CYS
240
1
12
6
A
TYR
248
A
TYR
248
HELX_P
A
SER
252
A
SER
252
1
13
5
NUCLEASE
NUCLEASE, EXONUCLEASE, AP-ENDONUCLEASE, DNA REPAIR
EX3_ECOLI
UNP
1
1
P09030
MKFVSFNINGLRARPHQLEAIVEKHQPDVIGLQETKVHDDMFPLEEVAKLGYNVFYHGQKGHYGVALLTKETPIAVRRGF
PGDDEEAQRRIIMAEIPSLLGNVTVINGYFPQGESRDHPIKFPAKAQFYQNLQNYLETELKRDNPVLIMGDMNISPTDLD
IGIGEENRKRWLRTGKCSFLPEEREWMDRLMSWGLVDTFRHANPQTADRFSWFDYRSKGFDDNRGLRIDLLLASQPLAEC
CVETGIDYEIRSMEKPSDHAPVWATFRR
1
268
1AKO
1
268
P09030
A
1
1
268
6
6
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
A
ASN
53
A
ASN
53
A
HIS
57
A
HIS
57
A
VAL
65
A
VAL
65
A
THR
69
A
THR
69
A
VAL
29
A
VAL
29
A
GLN
33
A
GLN
33
A
LYS
2
A
LYS
2
A
ASN
7
A
ASN
7
A
VAL
262
A
VAL
262
A
PHE
266
A
PHE
266
A
CYS
241
A
CYS
241
A
ILE
246
A
ILE
246
A
ALA
75
A
ALA
75
A
ARG
78
A
ARG
78
A
ILE
91
A
ILE
91
A
SER
98
A
SER
98
A
GLY
101
A
GLY
101
A
TYR
109
A
TYR
109
A
VAL
146
A
VAL
146
A
ASP
151
A
ASP
151
A
ASP
229
A
ASP
229
A
SER
234
A
SER
234
A
LEU
195
A
LEU
195
A
ASP
197
A
ASP
197
MG BINDING SITE.
Unknown
1
A
GLU
34
A
GLU
34
1
1_555
152
P 31 2 1