0.013967
0.008064
0.000000
0.000000
0.016128
0.000000
0.000000
0.000000
0.013151
0.00000
0.00000
0.00000
Daniels, D.S.
Tainer, J.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
71.598
71.598
76.038
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
C10 H13 N O2 S
211.281
n
BENZYLCYSTEINE
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
Zn 2
65.409
ZINC ION
non-polymer
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
S
N
78
N
C
Y
79
N
C
Y
80
N
C
Y
81
N
C
Y
82
N
C
Y
83
N
C
Y
84
N
C
N
85
N
C
N
86
N
O
N
87
N
O
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
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
N
N
102
R
C
N
103
N
C
N
104
N
O
N
105
N
C
N
106
N
S
N
107
N
O
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
N
N
116
S
C
N
117
N
C
N
118
N
O
N
119
N
C
N
120
N
C
N
121
N
C
N
122
N
O
N
123
N
N
N
124
N
O
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
N
N
136
S
C
N
137
N
C
N
138
N
O
N
139
N
C
N
140
N
C
N
141
N
C
N
142
N
O
N
143
N
O
N
144
N
O
N
145
N
H
N
146
N
H
N
147
N
H
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
N
N
155
N
C
N
156
N
C
N
157
N
O
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
N
N
165
S
C
N
166
N
C
N
167
N
O
N
168
N
C
Y
169
N
C
Y
170
N
N
Y
171
N
C
Y
172
N
C
Y
173
N
N
N
174
N
O
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
H
N
184
N
H
N
185
N
O
N
186
N
H
N
187
N
H
N
188
N
N
N
189
S
C
N
190
N
C
N
191
N
O
N
192
S
C
N
193
N
C
N
194
N
C
N
195
N
C
N
196
N
O
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
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
N
N
211
S
C
N
212
N
C
N
213
N
O
N
214
N
C
N
215
N
C
N
216
N
C
N
217
N
C
N
218
N
O
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
H
N
231
N
H
N
232
N
N
N
233
S
C
N
234
N
C
N
235
N
O
N
236
N
C
N
237
N
C
N
238
N
C
N
239
N
C
N
240
N
N
N
241
N
O
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
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
N
N
258
S
C
N
259
N
C
N
260
N
O
N
261
N
C
N
262
N
C
N
263
N
S
N
264
N
C
N
265
N
O
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
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
N
N
278
S
C
N
279
N
C
N
280
N
O
N
281
N
C
Y
282
N
C
Y
283
N
C
Y
284
N
C
Y
285
N
C
Y
286
N
C
Y
287
N
C
N
288
N
O
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
N
N
301
S
C
N
302
N
C
N
303
N
O
N
304
N
C
N
305
N
C
N
306
N
C
N
307
N
O
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
N
N
318
S
C
N
319
N
C
N
320
N
O
N
321
N
C
N
322
N
O
N
323
N
O
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
N
N
332
S
C
N
333
N
C
N
334
N
O
N
335
R
C
N
336
N
O
N
337
N
C
N
338
N
O
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
N
Y
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
N
362
N
O
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
H
N
373
N
H
N
374
N
H
N
375
N
N
N
376
S
C
N
377
N
C
N
378
N
O
N
379
N
C
Y
380
N
C
Y
381
N
C
Y
382
N
C
Y
383
N
C
Y
384
N
C
Y
385
N
C
N
386
N
O
N
387
N
O
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
H
N
398
N
H
N
399
N
N
N
400
S
C
N
401
N
C
N
402
N
O
N
403
N
C
N
404
N
C
N
405
N
C
N
406
N
O
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
N
416
N
H
N
417
N
H
N
418
N
ZN
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
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
Y
83
N
doub
Y
84
N
sing
Y
85
N
sing
N
86
N
sing
Y
87
N
doub
N
88
N
sing
Y
89
N
doub
N
90
N
sing
Y
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
doub
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
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
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
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
doub
N
125
N
sing
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
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
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
sing
N
153
N
doub
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
doub
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
Y
167
N
sing
Y
168
N
doub
Y
169
N
doub
N
170
N
sing
Y
171
N
sing
N
172
N
sing
Y
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
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
doub
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
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
doub
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
sing
N
225
N
sing
N
226
N
sing
N
227
N
doub
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
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
doub
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
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
Y
275
N
doub
Y
276
N
sing
Y
277
N
sing
N
278
N
sing
Y
279
N
doub
N
280
N
sing
Y
281
N
doub
N
282
N
sing
Y
283
N
sing
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
doub
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
doub
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
doub
N
324
N
sing
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
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
doub
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
Y
344
N
doub
Y
345
N
sing
Y
346
N
sing
N
347
N
sing
Y
348
N
doub
Y
349
N
sing
Y
350
N
sing
N
351
N
sing
Y
352
N
sing
Y
353
N
doub
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
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
sing
N
367
N
doub
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
Y
372
N
doub
Y
373
N
sing
Y
374
N
sing
N
375
N
sing
Y
376
N
doub
N
377
N
sing
Y
378
N
doub
N
379
N
sing
Y
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
sing
N
391
N
doub
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
N
402
N
sing
UK
EMBO J.
EMJODG
0897
0261-4189
19
1719
1730
10.1093/emboj/19.7.1719
10747039
Active and alkylated human AGT structures: a novel zinc site, inhibitor and extrahelical base binding.
2000
10.2210/pdb1eh8/pdb
pdb_00001eh8
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
IMAGE PLATE
1999-01-25
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.08
1.0
BL7-1
SSRL
1.08
SYNCHROTRON
SSRL BEAMLINE BL7-1
CYS 145 HAS BEEN ALKYLATED BY REACTION WITH O6-BENZYLGUANINE
21762.072
O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE
2.1.1.63
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
18.015
water
86
nat
water
AGT, O6-METHYLGUANINE-DNA METHYLTRANSFERASE, MGMT
no
yes
MDKDCEMKRTTLDSPLGKLELSGCEQGLHEIKLLGKGTSAADAVEVPAPAAVLGGPEPLMQCTAWLNAYFHQPEAIEEFP
VPALHHPVFQQESFTRQVLWKLLKVVKFGEVISYQQLAALAGNPKAARAVGGAMRGNPVPILIP(BCS)HRVVCSSGAVG
NYSGGLAVKEWLLAHEGHRLGKPGLGGSSGLAGAWLKGAGATSGSPPAGRN
MDKDCEMKRTTLDSPLGKLELSGCEQGLHEIKLLGKGTSAADAVEVPAPAAVLGGPEPLMQCTAWLNAYFHQPEAIEEFP
VPALHHPVFQQESFTRQVLWKLLKVVKFGEVISYQQLAALAGNPKAARAVGGAMRGNPVPILIPCHRVVCSSGAVGNYSG
GLAVKEWLLAHEGHRLGKPGLGGSSGLAGAWLKGAGATSGSPPAGRN
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
human
Homo
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
1
2.58
52.39
VAPOR DIFFUSION, HANGING DROP
7.5
18 MG/ML PROTEIN, 1.5 M SUCROSE, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
struct_conn_type
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2000-04-12
1
1
2007-10-16
1
2
2011-07-13
1
3
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn_type.id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1EH6 contains the native protein
1EH7 contains the methylated product
RCSB
Y
RCSB
2000-02-18
REL
ZN
ZINC ION
HOH
water
1EH6
PDB 1EH6
PDB
experimental model
ZN
200
2
ZN
ZN
208
A
HOH
1
3
HOH
HOH
209
A
HOH
2
3
HOH
HOH
210
A
HOH
3
3
HOH
HOH
211
A
HOH
4
3
HOH
HOH
212
A
HOH
5
3
HOH
HOH
213
A
HOH
6
3
HOH
HOH
214
A
HOH
7
3
HOH
HOH
215
A
HOH
8
3
HOH
HOH
216
A
HOH
9
3
HOH
HOH
217
A
HOH
10
3
HOH
HOH
218
A
HOH
11
3
HOH
HOH
219
A
HOH
12
3
HOH
HOH
220
A
HOH
13
3
HOH
HOH
221
A
HOH
14
3
HOH
HOH
222
A
HOH
15
3
HOH
HOH
223
A
HOH
16
3
HOH
HOH
224
A
HOH
17
3
HOH
HOH
225
A
HOH
18
3
HOH
HOH
226
A
HOH
19
3
HOH
HOH
227
A
HOH
20
3
HOH
HOH
228
A
HOH
21
3
HOH
HOH
229
A
HOH
22
3
HOH
HOH
230
A
HOH
23
3
HOH
HOH
231
A
HOH
24
3
HOH
HOH
232
A
HOH
25
3
HOH
HOH
233
A
HOH
26
3
HOH
HOH
234
A
HOH
27
3
HOH
HOH
235
A
HOH
28
3
HOH
HOH
236
A
HOH
29
3
HOH
HOH
237
A
HOH
30
3
HOH
HOH
238
A
HOH
31
3
HOH
HOH
239
A
HOH
32
3
HOH
HOH
240
A
HOH
33
3
HOH
HOH
241
A
HOH
34
3
HOH
HOH
242
A
HOH
35
3
HOH
HOH
243
A
HOH
36
3
HOH
HOH
244
A
HOH
37
3
HOH
HOH
245
A
HOH
38
3
HOH
HOH
246
A
HOH
39
3
HOH
HOH
247
A
HOH
40
3
HOH
HOH
248
A
HOH
41
3
HOH
HOH
249
A
HOH
42
3
HOH
HOH
250
A
HOH
43
3
HOH
HOH
251
A
HOH
44
3
HOH
HOH
252
A
HOH
45
3
HOH
HOH
253
A
HOH
46
3
HOH
HOH
254
A
HOH
47
3
HOH
HOH
255
A
HOH
48
3
HOH
HOH
256
A
HOH
49
3
HOH
HOH
257
A
HOH
50
3
HOH
HOH
258
A
HOH
51
3
HOH
HOH
259
A
HOH
52
3
HOH
HOH
260
A
HOH
53
3
HOH
HOH
261
A
HOH
54
3
HOH
HOH
262
A
HOH
55
3
HOH
HOH
263
A
HOH
56
3
HOH
HOH
264
A
HOH
57
3
HOH
HOH
265
A
HOH
58
3
HOH
HOH
266
A
HOH
59
3
HOH
HOH
267
A
HOH
60
3
HOH
HOH
268
A
HOH
61
3
HOH
HOH
269
A
HOH
62
3
HOH
HOH
270
A
HOH
63
3
HOH
HOH
271
A
HOH
64
3
HOH
HOH
272
A
HOH
65
3
HOH
HOH
273
A
HOH
66
3
HOH
HOH
274
A
HOH
67
3
HOH
HOH
275
A
HOH
68
3
HOH
HOH
276
A
HOH
69
3
HOH
HOH
277
A
HOH
70
3
HOH
HOH
278
A
HOH
71
3
HOH
HOH
279
A
HOH
72
3
HOH
HOH
280
A
HOH
73
3
HOH
HOH
281
A
HOH
74
3
HOH
HOH
282
A
HOH
75
3
HOH
HOH
283
A
HOH
76
3
HOH
HOH
284
A
HOH
77
3
HOH
HOH
285
A
HOH
78
3
HOH
HOH
286
A
HOH
79
3
HOH
HOH
287
A
HOH
80
3
HOH
HOH
288
A
HOH
81
3
HOH
HOH
289
A
HOH
82
3
HOH
HOH
290
A
HOH
83
3
HOH
HOH
291
A
HOH
84
3
HOH
HOH
292
A
HOH
85
3
HOH
HOH
293
A
HOH
86
3
HOH
HOH
294
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
CYS
5
n
5
CYS
5
A
GLU
6
n
6
GLU
6
A
MET
7
n
7
MET
7
A
LYS
8
n
8
LYS
8
A
ARG
9
n
9
ARG
9
A
THR
10
n
10
THR
10
A
THR
11
n
11
THR
11
A
LEU
12
n
12
LEU
12
A
ASP
13
n
13
ASP
13
A
SER
14
n
14
SER
14
A
PRO
15
n
15
PRO
15
A
LEU
16
n
16
LEU
16
A
GLY
17
n
17
GLY
17
A
LYS
18
n
18
LYS
18
A
LEU
19
n
19
LEU
19
A
GLU
20
n
20
GLU
20
A
LEU
21
n
21
LEU
21
A
SER
22
n
22
SER
22
A
GLY
23
n
23
GLY
23
A
CYS
24
n
24
CYS
24
A
GLU
25
n
25
GLU
25
A
GLN
26
n
26
GLN
26
A
GLY
27
n
27
GLY
27
A
LEU
28
n
28
LEU
28
A
HIS
29
n
29
HIS
29
A
GLU
30
n
30
GLU
30
A
ILE
31
n
31
ILE
31
A
LYS
32
n
32
LYS
32
A
LEU
33
n
33
LEU
33
A
LEU
34
n
34
LEU
34
A
GLY
35
n
35
GLY
35
A
n
36
36
A
n
37
37
A
n
38
38
A
n
39
39
A
n
40
40
A
n
41
41
A
n
42
42
A
n
43
43
A
n
44
44
A
GLU
45
n
45
GLU
45
A
VAL
46
n
46
VAL
46
A
PRO
47
n
47
PRO
47
A
ALA
48
n
48
ALA
48
A
PRO
49
n
49
PRO
49
A
ALA
50
n
50
ALA
50
A
ALA
51
n
51
ALA
51
A
VAL
52
n
52
VAL
52
A
LEU
53
n
53
LEU
53
A
GLY
54
n
54
GLY
54
A
GLY
55
n
55
GLY
55
A
PRO
56
n
56
PRO
56
A
GLU
57
n
57
GLU
57
A
PRO
58
n
58
PRO
58
A
LEU
59
n
59
LEU
59
A
MET
60
n
60
MET
60
A
GLN
61
n
61
GLN
61
A
CYS
62
n
62
CYS
62
A
THR
63
n
63
THR
63
A
ALA
64
n
64
ALA
64
A
TRP
65
n
65
TRP
65
A
LEU
66
n
66
LEU
66
A
ASN
67
n
67
ASN
67
A
ALA
68
n
68
ALA
68
A
TYR
69
n
69
TYR
69
A
PHE
70
n
70
PHE
70
A
HIS
71
n
71
HIS
71
A
GLN
72
n
72
GLN
72
A
PRO
73
n
73
PRO
73
A
GLU
74
n
74
GLU
74
A
ALA
75
n
75
ALA
75
A
ILE
76
n
76
ILE
76
A
GLU
77
n
77
GLU
77
A
GLU
78
n
78
GLU
78
A
PHE
79
n
79
PHE
79
A
PRO
80
n
80
PRO
80
A
VAL
81
n
81
VAL
81
A
PRO
82
n
82
PRO
82
A
ALA
83
n
83
ALA
83
A
LEU
84
n
84
LEU
84
A
HIS
85
n
85
HIS
85
A
HIS
86
n
86
HIS
86
A
PRO
87
n
87
PRO
87
A
VAL
88
n
88
VAL
88
A
PHE
89
n
89
PHE
89
A
GLN
90
n
90
GLN
90
A
GLN
91
n
91
GLN
91
A
GLU
92
n
92
GLU
92
A
SER
93
n
93
SER
93
A
PHE
94
n
94
PHE
94
A
THR
95
n
95
THR
95
A
ARG
96
n
96
ARG
96
A
GLN
97
n
97
GLN
97
A
VAL
98
n
98
VAL
98
A
LEU
99
n
99
LEU
99
A
TRP
100
n
100
TRP
100
A
LYS
101
n
101
LYS
101
A
LEU
102
n
102
LEU
102
A
LEU
103
n
103
LEU
103
A
LYS
104
n
104
LYS
104
A
VAL
105
n
105
VAL
105
A
VAL
106
n
106
VAL
106
A
LYS
107
n
107
LYS
107
A
PHE
108
n
108
PHE
108
A
GLY
109
n
109
GLY
109
A
GLU
110
n
110
GLU
110
A
VAL
111
n
111
VAL
111
A
ILE
112
n
112
ILE
112
A
SER
113
n
113
SER
113
A
TYR
114
n
114
TYR
114
A
GLN
115
n
115
GLN
115
A
GLN
116
n
116
GLN
116
A
LEU
117
n
117
LEU
117
A
ALA
118
n
118
ALA
118
A
ALA
119
n
119
ALA
119
A
LEU
120
n
120
LEU
120
A
ALA
121
n
121
ALA
121
A
GLY
122
n
122
GLY
122
A
ASN
123
n
123
ASN
123
A
PRO
124
n
124
PRO
124
A
LYS
125
n
125
LYS
125
A
ALA
126
n
126
ALA
126
A
ALA
127
n
127
ALA
127
A
ARG
128
n
128
ARG
128
A
ALA
129
n
129
ALA
129
A
VAL
130
n
130
VAL
130
A
GLY
131
n
131
GLY
131
A
GLY
132
n
132
GLY
132
A
ALA
133
n
133
ALA
133
A
MET
134
n
134
MET
134
A
ARG
135
n
135
ARG
135
A
GLY
136
n
136
GLY
136
A
ASN
137
n
137
ASN
137
A
PRO
138
n
138
PRO
138
A
VAL
139
n
139
VAL
139
A
PRO
140
n
140
PRO
140
A
ILE
141
n
141
ILE
141
A
LEU
142
n
142
LEU
142
A
ILE
143
n
143
ILE
143
A
PRO
144
n
144
PRO
144
A
BCS
145
n
145
BCS
145
A
HIS
146
n
146
HIS
146
A
ARG
147
n
147
ARG
147
A
VAL
148
n
148
VAL
148
A
VAL
149
n
149
VAL
149
A
CYS
150
n
150
CYS
150
A
SER
151
n
151
SER
151
A
SER
152
n
152
SER
152
A
GLY
153
n
153
GLY
153
A
ALA
154
n
154
ALA
154
A
VAL
155
n
155
VAL
155
A
GLY
156
n
156
GLY
156
A
ASN
157
n
157
ASN
157
A
TYR
158
n
158
TYR
158
A
SER
159
n
159
SER
159
A
GLY
160
n
160
GLY
160
A
GLY
161
n
161
GLY
161
A
LEU
162
n
162
LEU
162
A
ALA
163
n
163
ALA
163
A
VAL
164
n
164
VAL
164
A
LYS
165
n
165
LYS
165
A
GLU
166
n
166
GLU
166
A
TRP
167
n
167
TRP
167
A
LEU
168
n
168
LEU
168
A
LEU
169
n
169
LEU
169
A
ALA
170
n
170
ALA
170
A
HIS
171
n
171
HIS
171
A
GLU
172
n
172
GLU
172
A
GLY
173
n
173
GLY
173
A
HIS
174
n
174
HIS
174
A
ARG
175
n
175
ARG
175
A
LEU
176
n
176
LEU
176
A
GLY
177
n
177
GLY
177
A
LYS
178
n
178
LYS
178
A
PRO
179
n
179
PRO
179
A
n
180
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
n
187
187
A
n
188
188
A
n
189
189
A
n
190
190
A
n
191
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
author_defined_assembly
1
monomeric
A
CYS
5
A
SG
CYS
5
1_555
A
ZN
208
B
ZN
ZN
1_555
A
CYS
24
A
SG
CYS
24
1_555
107.6
A
CYS
5
A
SG
CYS
5
1_555
A
ZN
208
B
ZN
ZN
1_555
A
HIS
29
A
NE2
HIS
29
1_555
98.3
A
CYS
24
A
SG
CYS
24
1_555
A
ZN
208
B
ZN
ZN
1_555
A
HIS
29
A
NE2
HIS
29
1_555
111.1
A
CYS
5
A
SG
CYS
5
1_555
A
ZN
208
B
ZN
ZN
1_555
A
HIS
85
A
ND1
HIS
85
1_555
120.3
A
CYS
24
A
SG
CYS
24
1_555
A
ZN
208
B
ZN
ZN
1_555
A
HIS
85
A
ND1
HIS
85
1_555
96.3
A
HIS
29
A
NE2
HIS
29
1_555
A
ZN
208
B
ZN
ZN
1_555
A
HIS
85
A
ND1
HIS
85
1_555
122.8
A
BCS
145
BENZYLCYSTEINE
A
BCS
145
CYS
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
SER
14
A
O
SER
14
A
N
GLY
17
A
N
GLY
17
A
N
CYS
24
A
N
CYS
24
A
O
GLY
27
A
O
GLY
27
A
O
ILE
112
A
O
ILE
112
A
N
VAL
149
A
N
VAL
149
1
A
MET
1
A
MET
1
1
Y
1
A
ASP
2
A
ASP
2
1
Y
1
A
LYS
3
A
LYS
3
1
Y
1
A
ASP
4
A
ASP
4
1
Y
1
A
LYS
36
A
LYS
36
1
Y
1
A
GLY
37
A
GLY
37
1
Y
1
A
THR
38
A
THR
38
1
Y
1
A
SER
39
A
SER
39
1
Y
1
A
ALA
40
A
ALA
40
1
Y
1
A
ALA
41
A
ALA
41
1
Y
1
A
ASP
42
A
ASP
42
1
Y
1
A
ALA
43
A
ALA
43
1
Y
1
A
VAL
44
A
VAL
44
1
Y
1
A
GLY
180
A
GLY
180
1
Y
1
A
LEU
181
A
LEU
181
1
Y
1
A
GLY
182
A
GLY
182
1
Y
1
A
GLY
183
A
GLY
183
1
Y
1
A
SER
184
A
SER
184
1
Y
1
A
SER
185
A
SER
185
1
Y
1
A
GLY
186
A
GLY
186
1
Y
1
A
LEU
187
A
LEU
187
1
Y
1
A
ALA
188
A
ALA
188
1
Y
1
A
GLY
189
A
GLY
189
1
Y
1
A
ALA
190
A
ALA
190
1
Y
1
A
TRP
191
A
TRP
191
1
Y
1
A
LEU
192
A
LEU
192
1
Y
1
A
LYS
193
A
LYS
193
1
Y
1
A
GLY
194
A
GLY
194
1
Y
1
A
ALA
195
A
ALA
195
1
Y
1
A
GLY
196
A
GLY
196
1
Y
1
A
ALA
197
A
ALA
197
1
Y
1
A
THR
198
A
THR
198
1
Y
1
A
SER
199
A
SER
199
1
Y
1
A
GLY
200
A
GLY
200
1
Y
1
A
SER
201
A
SER
201
1
Y
1
A
PRO
202
A
PRO
202
1
Y
1
A
PRO
203
A
PRO
203
1
Y
1
A
ALA
204
A
ALA
204
1
Y
1
A
GLY
205
A
GLY
205
1
Y
1
A
ARG
206
A
ARG
206
1
Y
1
A
ASN
207
A
ASN
207
1
Y
1
A
GLN
72
-145.38
44.98
1
A
SER
93
176.19
154.57
1
A
ILE
141
80.23
-58.85
1
A
PRO
144
-62.65
61.91
PROTEIN_REP.PA
PROTEIN.TOP
WATER_REP.PARA
WATER.TOP
ZN.PARAM
ZN.TOP
CYSB.PARAM
CYSB.TOP
35.2
-0.72
0.16
0.00
-0.72
0.00
1.45
ILE 141 IS LOCATED IN A TIGHT TURN PRECEDING THE
ACTIVE SITE AND CONSTRAINED IN A DISALLOWED
RAMACHANDRAN REGION.
0.2300000
0.008
0.1940000
2.50
19.95
847
16165
10.6
99.3
RANDOM
1323183.00
0.00
1
RESTRAINED
THROUGHOUT
0.0
PDB 1EH6
Engh & Huber
FLAT MODEL
54.94
0.430
0.33
0.27
5.00
0.29
0.28
2.50
19.95
86
1354
1
0
1267
0.009
1.4
23.0
0.96
1.84
1.50
2.99
2.00
3.06
2.00
4.35
2.50
0.2860000
0.026
0.2550000
2.66
122
1135
6
9.7
93.9
27.5
2.5
20.0
1EH8
17635
8007
-3.0
0.1060000
1
8.9409
2.023
98.9
0.4440000
2.50
2.59
1.927
2.221
98.7
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
BENZYLATED HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE
1
N
N
2
N
N
3
N
N
A
PRO
56
A
PRO
56
HELX_P
A
GLN
72
A
GLN
72
1
1
17
A
PRO
73
A
PRO
73
HELX_P
A
PHE
79
A
PHE
79
5
2
7
A
HIS
86
A
HIS
86
HELX_P
A
GLN
91
A
GLN
91
1
3
6
A
SER
93
A
SER
93
HELX_P
A
VAL
106
A
VAL
106
1
4
14
A
TYR
114
A
TYR
114
HELX_P
A
ALA
121
A
ALA
121
1
5
8
A
ALA
126
A
ALA
126
HELX_P
A
GLY
136
A
GLY
136
1
6
11
A
GLY
161
A
GLY
161
HELX_P
A
GLU
172
A
GLU
172
1
7
12
covale
1.327
both
A
PRO
144
A
C
PRO
144
1_555
A
BCS
145
A
N
BCS
145
1_555
covale
1.330
both
A
BCS
145
A
C
BCS
145
1_555
A
HIS
146
A
N
HIS
146
1_555
metalc
2.437
A
CYS
5
A
SG
CYS
5
1_555
A
ZN
208
B
ZN
ZN
1_555
metalc
2.269
A
CYS
24
A
SG
CYS
24
1_555
A
ZN
208
B
ZN
ZN
1_555
metalc
2.039
A
HIS
29
A
NE2
HIS
29
1_555
A
ZN
208
B
ZN
ZN
1_555
metalc
1.910
A
HIS
85
A
ND1
HIS
85
1_555
A
ZN
208
B
ZN
ZN
1_555
TRANSFERASE
ALKYLTRANSFERASE, METHYLTRANSFERASE, DNA REPAIR, TRANSFERASE
A
GLY
55
A
GLY
55
1
A
PRO
56
A
PRO
56
-0.38
MGMT_HUMAN
UNP
1
P16455
1
207
1EH8
1
207
P16455
A
1
1
207
3
2
anti-parallel
anti-parallel
parallel
A
LYS
8
A
LYS
8
A
SER
14
A
SER
14
A
GLY
17
A
GLY
17
A
CYS
24
A
CYS
24
A
GLY
27
A
GLY
27
A
GLY
35
A
GLY
35
A
ILE
112
A
ILE
112
A
SER
113
A
SER
113
A
VAL
148
A
VAL
148
A
VAL
149
A
VAL
149
ACTIVE SITE CYSTEINE, BENZYLATED
Author
1
BINDING SITE FOR RESIDUE ZN A 208
A
ZN
208
Software
4
A
BCS
145
A
BCS
145
1
1_555
A
CYS
5
A
CYS
5
4
1_555
A
CYS
24
A
CYS
24
4
1_555
A
HIS
29
A
HIS
29
4
1_555
A
HIS
85
A
HIS
85
4
1_555
152
P 31 2 1