0.008844
0.000000
0.000000
0.000000
0.011197
0.000000
0.000000
0.000000
0.010440
0.00000
0.00000
0.00000
Yue, W.W.
Grizot, S.
Buchanan, S.K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
113.070
89.310
95.790
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
C6 H5 O7 -3
189.100
CITRATE ANION
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
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
C
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
C
N
79
N
C
N
80
N
O
N
81
N
O
N
82
N
O
N
83
N
O
N
84
N
O
N
85
N
O
N
86
N
O
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
N
N
93
S
C
N
94
N
C
N
95
N
O
N
96
N
C
N
97
N
C
N
98
N
C
N
99
N
O
N
100
N
N
N
101
N
O
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
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
N
N
113
S
C
N
114
N
C
N
115
N
O
N
116
N
C
N
117
N
C
N
118
N
C
N
119
N
O
N
120
N
O
N
121
N
O
N
122
N
H
N
123
N
H
N
124
N
H
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
N
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
N
N
142
S
C
N
143
N
C
N
144
N
O
N
145
N
C
Y
146
N
C
Y
147
N
N
Y
148
N
C
Y
149
N
C
Y
150
N
N
N
151
N
O
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
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
O
N
163
N
H
N
164
N
H
N
165
N
N
N
166
S
C
N
167
N
C
N
168
N
O
N
169
S
C
N
170
N
C
N
171
N
C
N
172
N
C
N
173
N
O
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
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
N
N
188
S
C
N
189
N
C
N
190
N
O
N
191
N
C
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
O
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
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
N
N
210
S
C
N
211
N
C
N
212
N
O
N
213
N
C
N
214
N
C
N
215
N
C
N
216
N
C
N
217
N
N
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
H
N
233
N
H
N
234
N
N
N
235
S
C
N
236
N
C
N
237
N
O
N
238
N
C
N
239
N
C
N
240
N
S
N
241
N
C
N
242
N
O
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
N
N
255
S
C
N
256
N
C
N
257
N
O
N
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
Y
262
N
C
Y
263
N
C
Y
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
N
282
N
C
N
283
N
C
N
284
N
O
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
H
N
294
N
N
N
295
S
C
N
296
N
C
N
297
N
O
N
298
N
C
N
299
N
O
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
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
R
C
N
313
N
O
N
314
N
C
N
315
N
O
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
N
N
326
S
C
N
327
N
C
N
328
N
O
N
329
N
C
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
N
Y
334
N
C
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
C
N
339
N
O
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
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
N
N
353
S
C
N
354
N
C
N
355
N
O
N
356
N
C
Y
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
N
363
N
O
N
364
N
O
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
H
N
376
N
N
N
377
S
C
N
378
N
C
N
379
N
O
N
380
N
C
N
381
N
C
N
382
N
C
N
383
N
O
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
391
N
H
N
392
N
H
N
393
N
H
N
394
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
doub
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
doub
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
doub
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
doub
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
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
doub
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
doub
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
sing
N
128
N
sing
N
129
N
sing
N
130
N
doub
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
doub
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
Y
144
N
sing
Y
145
N
doub
Y
146
N
doub
N
147
N
sing
Y
148
N
sing
N
149
N
sing
Y
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
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
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
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
doub
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
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
doub
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
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
doub
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
doub
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
Y
252
N
doub
Y
253
N
sing
Y
254
N
sing
N
255
N
sing
Y
256
N
doub
N
257
N
sing
Y
258
N
doub
N
259
N
sing
Y
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
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
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
doub
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
doub
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
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
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
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
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
sing
N
368
N
doub
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
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
332
353
368
10.1016/S0022-2836(03)00855-6
12948487
Structural evidence for iron-free citrate and ferric citrate binding to the TonB-dependent outer membrane transporter FecA
2003
10.2210/pdb1po0/pdb
pdb_00001po0
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
2001-02-05
ADSC QUANTUM 4
synchrotron
SINGLE WAVELENGTH
M
x-ray
1
0.9180
1.0
ID14-1
ESRF
0.9180
SYNCHROTRON
ESRF BEAMLINE ID14-1
83169.328
Iron(III) dicitrate transport protein fecA precursor
FecA residues 81-741
1
man
polymer
189.100
CITRATE ANION
iron-free dicitrate
2
syn
non-polymer
18.015
water
water
256
nat
water
no
no
HHHHHHHHHHAQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWT
LEPAPAPKEDALTVVGDWLGDARENDVFEHAGARDVIRREDFAKTGATTMREVLNRIPGVSAPENNGTGSHDLAMNFGIR
GLNPRLASRSTVLMDGIPVPFAPYGQPQLSLAPVSLGNMDAIDVVRGGGAVRYGPQSVGGVVNFVTRAIPQDFGIEAGVE
GQLSPTSSQNNPKETHNLMVGGTADNGFGTALLYSGTRGSDWREHSATRIDDLMLKSKYAPDEVHTFNSLLQYYDGEADM
PGGLSRADYDADRWQSTRPYDRFWGRRKLASLGYQFQPDSQHKFNIQGFYTQTLRSGYLEQGKRITLSPRNYWVRGIEPR
YSQIFMIGPSAHEVGVGYRYLNESTHEMRYYTATSSGQLPSGSSPYDRDTRSGTEAHAWYLDDKIDIGNWTITPGMRFEH
IESYQNNAITGTHEEVSYNAPLPALNVLYHLTDSWNLYANTEGSFGTVQYSQIGKAVQSGNVEPEKARTWELGTRYDDGA
LTAEMGLFLINFNNQYDSNQTNDTVTARGKTRHTGLETQARYDLGTLTPTLDNVSIYASYAYVNAEIREKGDTYGNLVPF
SPKHKGTLGVDYKPGNWTFNLNSDFQSSQFADNANTVKESADGSTGRIPGFMLWGARVAYDFGPQMADLNLAFGVKNIFD
QDYFIRSYDDNNKGIYAGQPRTLYMQGSLKF
HHHHHHHHHHAQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWT
LEPAPAPKEDALTVVGDWLGDARENDVFEHAGARDVIRREDFAKTGATTMREVLNRIPGVSAPENNGTGSHDLAMNFGIR
GLNPRLASRSTVLMDGIPVPFAPYGQPQLSLAPVSLGNMDAIDVVRGGGAVRYGPQSVGGVVNFVTRAIPQDFGIEAGVE
GQLSPTSSQNNPKETHNLMVGGTADNGFGTALLYSGTRGSDWREHSATRIDDLMLKSKYAPDEVHTFNSLLQYYDGEADM
PGGLSRADYDADRWQSTRPYDRFWGRRKLASLGYQFQPDSQHKFNIQGFYTQTLRSGYLEQGKRITLSPRNYWVRGIEPR
YSQIFMIGPSAHEVGVGYRYLNESTHEMRYYTATSSGQLPSGSSPYDRDTRSGTEAHAWYLDDKIDIGNWTITPGMRFEH
IESYQNNAITGTHEEVSYNAPLPALNVLYHLTDSWNLYANTEGSFGTVQYSQIGKAVQSGNVEPEKARTWELGTRYDDGA
LTAEMGLFLINFNNQYDSNQTNDTVTARGKTRHTGLETQARYDLGTLTPTLDNVSIYASYAYVNAEIREKGDTYGNLVPF
SPKHKGTLGVDYKPGNWTFNLNSDFQSSQFADNANTVKESADGSTGRIPGFMLWGARVAYDFGPQMADLNLAFGVKNIFD
QDYFIRSYDDNNKGIYAGQPRTLYMQGSLKF
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
Escherichia coli
sample
FECA OR B4291
562
Escherichia coli
511693
Escherichia coli BL21
BL21
plasmid
pET20b
1
2.91
57.68
VAPOR DIFFUSION, HANGING DROP
5.2
PEG1000, LDAO, sodium citrate, sodium chloride , pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
295
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2003-11-18
1
1
2008-04-29
1
2
2011-07-13
1
3
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1PNZ is the same protein in the unliganded form
RCSB
Y
RCSB
2003-06-13
REL
REL
FLC
CITRATE ANION
HOH
water
1KMO
PDB accession code 1KMO
PDB
experimental model
FLC
1
2
FLC
FLC
742
A
FLC
2
2
FLC
FLC
743
A
WAT
1
3
HOH
HOH
744
A
WAT
2
3
HOH
HOH
745
A
WAT
3
3
HOH
HOH
746
A
WAT
4
3
HOH
HOH
747
A
WAT
5
3
HOH
HOH
748
A
WAT
6
3
HOH
HOH
749
A
WAT
7
3
HOH
HOH
750
A
WAT
8
3
HOH
HOH
751
A
WAT
9
3
HOH
HOH
752
A
WAT
10
3
HOH
HOH
753
A
WAT
11
3
HOH
HOH
754
A
WAT
12
3
HOH
HOH
755
A
WAT
13
3
HOH
HOH
756
A
WAT
14
3
HOH
HOH
757
A
WAT
15
3
HOH
HOH
758
A
WAT
16
3
HOH
HOH
759
A
WAT
17
3
HOH
HOH
760
A
WAT
18
3
HOH
HOH
761
A
WAT
19
3
HOH
HOH
762
A
WAT
20
3
HOH
HOH
763
A
WAT
21
3
HOH
HOH
764
A
WAT
22
3
HOH
HOH
765
A
WAT
23
3
HOH
HOH
766
A
WAT
24
3
HOH
HOH
767
A
WAT
25
3
HOH
HOH
768
A
WAT
26
3
HOH
HOH
769
A
WAT
27
3
HOH
HOH
770
A
WAT
28
3
HOH
HOH
771
A
WAT
29
3
HOH
HOH
772
A
WAT
30
3
HOH
HOH
773
A
WAT
31
3
HOH
HOH
774
A
WAT
32
3
HOH
HOH
775
A
WAT
33
3
HOH
HOH
776
A
WAT
34
3
HOH
HOH
777
A
WAT
35
3
HOH
HOH
778
A
WAT
36
3
HOH
HOH
779
A
WAT
37
3
HOH
HOH
780
A
WAT
38
3
HOH
HOH
781
A
WAT
39
3
HOH
HOH
782
A
WAT
40
3
HOH
HOH
783
A
WAT
41
3
HOH
HOH
784
A
WAT
42
3
HOH
HOH
785
A
WAT
43
3
HOH
HOH
786
A
WAT
44
3
HOH
HOH
787
A
WAT
45
3
HOH
HOH
788
A
WAT
46
3
HOH
HOH
789
A
WAT
47
3
HOH
HOH
790
A
WAT
48
3
HOH
HOH
791
A
WAT
49
3
HOH
HOH
792
A
WAT
50
3
HOH
HOH
793
A
WAT
51
3
HOH
HOH
794
A
WAT
52
3
HOH
HOH
795
A
WAT
53
3
HOH
HOH
796
A
WAT
54
3
HOH
HOH
797
A
WAT
55
3
HOH
HOH
798
A
WAT
56
3
HOH
HOH
799
A
WAT
57
3
HOH
HOH
800
A
WAT
58
3
HOH
HOH
801
A
WAT
59
3
HOH
HOH
802
A
WAT
60
3
HOH
HOH
803
A
WAT
61
3
HOH
HOH
804
A
WAT
62
3
HOH
HOH
805
A
WAT
63
3
HOH
HOH
806
A
WAT
64
3
HOH
HOH
807
A
WAT
65
3
HOH
HOH
808
A
WAT
66
3
HOH
HOH
809
A
WAT
67
3
HOH
HOH
810
A
WAT
68
3
HOH
HOH
811
A
WAT
69
3
HOH
HOH
812
A
WAT
70
3
HOH
HOH
813
A
WAT
71
3
HOH
HOH
814
A
WAT
72
3
HOH
HOH
815
A
WAT
73
3
HOH
HOH
816
A
WAT
74
3
HOH
HOH
817
A
WAT
75
3
HOH
HOH
818
A
WAT
76
3
HOH
HOH
819
A
WAT
77
3
HOH
HOH
820
A
WAT
78
3
HOH
HOH
821
A
WAT
79
3
HOH
HOH
822
A
WAT
80
3
HOH
HOH
823
A
WAT
81
3
HOH
HOH
824
A
WAT
82
3
HOH
HOH
825
A
WAT
83
3
HOH
HOH
826
A
WAT
84
3
HOH
HOH
827
A
WAT
85
3
HOH
HOH
828
A
WAT
86
3
HOH
HOH
829
A
WAT
87
3
HOH
HOH
830
A
WAT
88
3
HOH
HOH
831
A
WAT
89
3
HOH
HOH
832
A
WAT
90
3
HOH
HOH
833
A
WAT
91
3
HOH
HOH
834
A
WAT
92
3
HOH
HOH
835
A
WAT
93
3
HOH
HOH
836
A
WAT
94
3
HOH
HOH
837
A
WAT
95
3
HOH
HOH
838
A
WAT
96
3
HOH
HOH
839
A
WAT
97
3
HOH
HOH
840
A
WAT
98
3
HOH
HOH
841
A
WAT
99
3
HOH
HOH
842
A
WAT
100
3
HOH
HOH
843
A
WAT
101
3
HOH
HOH
844
A
WAT
102
3
HOH
HOH
845
A
WAT
103
3
HOH
HOH
846
A
WAT
104
3
HOH
HOH
847
A
WAT
105
3
HOH
HOH
848
A
WAT
106
3
HOH
HOH
849
A
WAT
107
3
HOH
HOH
850
A
WAT
108
3
HOH
HOH
851
A
WAT
109
3
HOH
HOH
852
A
WAT
110
3
HOH
HOH
853
A
WAT
111
3
HOH
HOH
854
A
WAT
112
3
HOH
HOH
855
A
WAT
113
3
HOH
HOH
856
A
WAT
114
3
HOH
HOH
857
A
WAT
115
3
HOH
HOH
858
A
WAT
116
3
HOH
HOH
859
A
WAT
117
3
HOH
HOH
860
A
WAT
118
3
HOH
HOH
861
A
WAT
119
3
HOH
HOH
862
A
WAT
120
3
HOH
HOH
863
A
WAT
121
3
HOH
HOH
864
A
WAT
122
3
HOH
HOH
865
A
WAT
123
3
HOH
HOH
866
A
WAT
124
3
HOH
HOH
867
A
WAT
125
3
HOH
HOH
868
A
WAT
126
3
HOH
HOH
869
A
WAT
127
3
HOH
HOH
870
A
WAT
128
3
HOH
HOH
871
A
WAT
129
3
HOH
HOH
872
A
WAT
130
3
HOH
HOH
873
A
WAT
131
3
HOH
HOH
874
A
WAT
132
3
HOH
HOH
875
A
WAT
133
3
HOH
HOH
876
A
WAT
134
3
HOH
HOH
877
A
WAT
135
3
HOH
HOH
878
A
WAT
136
3
HOH
HOH
879
A
WAT
137
3
HOH
HOH
880
A
WAT
138
3
HOH
HOH
881
A
WAT
139
3
HOH
HOH
882
A
WAT
140
3
HOH
HOH
883
A
WAT
141
3
HOH
HOH
884
A
WAT
142
3
HOH
HOH
885
A
WAT
143
3
HOH
HOH
886
A
WAT
144
3
HOH
HOH
887
A
WAT
145
3
HOH
HOH
888
A
WAT
146
3
HOH
HOH
889
A
WAT
147
3
HOH
HOH
890
A
WAT
148
3
HOH
HOH
891
A
WAT
149
3
HOH
HOH
892
A
WAT
150
3
HOH
HOH
893
A
WAT
151
3
HOH
HOH
894
A
WAT
152
3
HOH
HOH
895
A
WAT
153
3
HOH
HOH
896
A
WAT
154
3
HOH
HOH
897
A
WAT
155
3
HOH
HOH
898
A
WAT
156
3
HOH
HOH
899
A
WAT
157
3
HOH
HOH
900
A
WAT
158
3
HOH
HOH
901
A
WAT
159
3
HOH
HOH
902
A
WAT
160
3
HOH
HOH
903
A
WAT
161
3
HOH
HOH
904
A
WAT
162
3
HOH
HOH
905
A
WAT
163
3
HOH
HOH
906
A
WAT
164
3
HOH
HOH
907
A
WAT
165
3
HOH
HOH
908
A
WAT
166
3
HOH
HOH
909
A
WAT
167
3
HOH
HOH
910
A
WAT
168
3
HOH
HOH
911
A
WAT
169
3
HOH
HOH
912
A
WAT
170
3
HOH
HOH
913
A
WAT
171
3
HOH
HOH
914
A
WAT
172
3
HOH
HOH
915
A
WAT
173
3
HOH
HOH
916
A
WAT
174
3
HOH
HOH
917
A
WAT
175
3
HOH
HOH
918
A
WAT
176
3
HOH
HOH
919
A
WAT
177
3
HOH
HOH
920
A
WAT
178
3
HOH
HOH
921
A
WAT
179
3
HOH
HOH
922
A
WAT
180
3
HOH
HOH
923
A
WAT
181
3
HOH
HOH
924
A
WAT
182
3
HOH
HOH
925
A
WAT
183
3
HOH
HOH
926
A
WAT
184
3
HOH
HOH
927
A
WAT
185
3
HOH
HOH
928
A
WAT
186
3
HOH
HOH
929
A
WAT
187
3
HOH
HOH
930
A
WAT
188
3
HOH
HOH
931
A
WAT
189
3
HOH
HOH
932
A
WAT
190
3
HOH
HOH
933
A
WAT
191
3
HOH
HOH
934
A
WAT
192
3
HOH
HOH
935
A
WAT
193
3
HOH
HOH
936
A
WAT
194
3
HOH
HOH
937
A
WAT
195
3
HOH
HOH
938
A
WAT
196
3
HOH
HOH
939
A
WAT
197
3
HOH
HOH
940
A
WAT
198
3
HOH
HOH
941
A
WAT
199
3
HOH
HOH
942
A
WAT
200
3
HOH
HOH
943
A
WAT
201
3
HOH
HOH
944
A
WAT
202
3
HOH
HOH
945
A
WAT
203
3
HOH
HOH
946
A
WAT
204
3
HOH
HOH
947
A
WAT
205
3
HOH
HOH
948
A
WAT
206
3
HOH
HOH
949
A
WAT
207
3
HOH
HOH
950
A
WAT
208
3
HOH
HOH
951
A
WAT
209
3
HOH
HOH
952
A
WAT
210
3
HOH
HOH
953
A
WAT
211
3
HOH
HOH
954
A
WAT
212
3
HOH
HOH
955
A
WAT
213
3
HOH
HOH
956
A
WAT
214
3
HOH
HOH
957
A
WAT
215
3
HOH
HOH
958
A
WAT
216
3
HOH
HOH
959
A
WAT
217
3
HOH
HOH
960
A
WAT
218
3
HOH
HOH
961
A
WAT
219
3
HOH
HOH
962
A
WAT
220
3
HOH
HOH
963
A
WAT
221
3
HOH
HOH
964
A
WAT
222
3
HOH
HOH
965
A
WAT
223
3
HOH
HOH
966
A
WAT
224
3
HOH
HOH
967
A
WAT
225
3
HOH
HOH
968
A
WAT
226
3
HOH
HOH
969
A
WAT
227
3
HOH
HOH
970
A
WAT
228
3
HOH
HOH
971
A
WAT
229
3
HOH
HOH
972
A
WAT
230
3
HOH
HOH
973
A
WAT
231
3
HOH
HOH
974
A
WAT
232
3
HOH
HOH
975
A
WAT
233
3
HOH
HOH
976
A
WAT
234
3
HOH
HOH
977
A
WAT
235
3
HOH
HOH
978
A
WAT
236
3
HOH
HOH
979
A
WAT
237
3
HOH
HOH
980
A
WAT
238
3
HOH
HOH
981
A
WAT
239
3
HOH
HOH
982
A
WAT
240
3
HOH
HOH
983
A
WAT
241
3
HOH
HOH
984
A
WAT
242
3
HOH
HOH
985
A
WAT
243
3
HOH
HOH
986
A
WAT
244
3
HOH
HOH
987
A
WAT
245
3
HOH
HOH
988
A
WAT
246
3
HOH
HOH
989
A
WAT
247
3
HOH
HOH
990
A
WAT
248
3
HOH
HOH
991
A
WAT
249
3
HOH
HOH
992
A
WAT
250
3
HOH
HOH
993
A
WAT
251
3
HOH
HOH
994
A
WAT
252
3
HOH
HOH
995
A
WAT
253
3
HOH
HOH
996
A
WAT
254
3
HOH
HOH
997
A
WAT
255
3
HOH
HOH
998
A
WAT
256
3
HOH
HOH
999
A
n
1
-9
A
n
2
-8
A
n
3
-7
A
n
4
-6
A
n
5
-5
A
n
6
-4
A
n
7
-3
A
n
8
-2
A
n
9
-1
A
n
10
0
A
n
11
1
A
n
12
2
A
n
13
3
A
n
14
4
A
n
15
5
A
n
16
6
A
n
17
7
A
n
18
8
A
n
19
9
A
n
20
10
A
n
21
11
A
n
22
12
A
n
23
13
A
n
24
14
A
n
25
15
A
n
26
16
A
n
27
17
A
n
28
18
A
n
29
19
A
n
30
20
A
n
31
21
A
n
32
22
A
n
33
23
A
n
34
24
A
n
35
25
A
n
36
26
A
n
37
27
A
n
38
28
A
n
39
29
A
n
40
30
A
n
41
31
A
n
42
32
A
n
43
33
A
n
44
34
A
n
45
35
A
n
46
36
A
n
47
37
A
n
48
38
A
n
49
39
A
n
50
40
A
n
51
41
A
n
52
42
A
n
53
43
A
n
54
44
A
n
55
45
A
n
56
46
A
n
57
47
A
n
58
48
A
n
59
49
A
n
60
50
A
n
61
51
A
n
62
52
A
n
63
53
A
n
64
54
A
n
65
55
A
n
66
56
A
n
67
57
A
n
68
58
A
n
69
59
A
n
70
60
A
n
71
61
A
n
72
62
A
n
73
63
A
n
74
64
A
n
75
65
A
n
76
66
A
n
77
67
A
n
78
68
A
n
79
69
A
n
80
70
A
n
81
71
A
n
82
72
A
n
83
73
A
n
84
74
A
n
85
75
A
n
86
76
A
n
87
77
A
n
88
78
A
n
89
79
A
n
90
80
A
ALA
81
n
91
ALA
81
A
LEU
82
n
92
LEU
82
A
THR
83
n
93
THR
83
A
VAL
84
n
94
VAL
84
A
VAL
85
n
95
VAL
85
A
GLY
86
n
96
GLY
86
A
ASP
87
n
97
ASP
87
A
TRP
88
n
98
TRP
88
A
LEU
89
n
99
LEU
89
A
GLY
90
n
100
GLY
90
A
ASP
91
n
101
ASP
91
A
ALA
92
n
102
ALA
92
A
ARG
93
n
103
ARG
93
A
GLU
94
n
104
GLU
94
A
ASN
95
n
105
ASN
95
A
ASP
96
n
106
ASP
96
A
VAL
97
n
107
VAL
97
A
PHE
98
n
108
PHE
98
A
GLU
99
n
109
GLU
99
A
HIS
100
n
110
HIS
100
A
ALA
101
n
111
ALA
101
A
GLY
102
n
112
GLY
102
A
ALA
103
n
113
ALA
103
A
ARG
104
n
114
ARG
104
A
ASP
105
n
115
ASP
105
A
VAL
106
n
116
VAL
106
A
ILE
107
n
117
ILE
107
A
ARG
108
n
118
ARG
108
A
ARG
109
n
119
ARG
109
A
GLU
110
n
120
GLU
110
A
ASP
111
n
121
ASP
111
A
PHE
112
n
122
PHE
112
A
ALA
113
n
123
ALA
113
A
LYS
114
n
124
LYS
114
A
THR
115
n
125
THR
115
A
GLY
116
n
126
GLY
116
A
ALA
117
n
127
ALA
117
A
THR
118
n
128
THR
118
A
THR
119
n
129
THR
119
A
MET
120
n
130
MET
120
A
ARG
121
n
131
ARG
121
A
GLU
122
n
132
GLU
122
A
VAL
123
n
133
VAL
123
A
LEU
124
n
134
LEU
124
A
ASN
125
n
135
ASN
125
A
ARG
126
n
136
ARG
126
A
ILE
127
n
137
ILE
127
A
PRO
128
n
138
PRO
128
A
GLY
129
n
139
GLY
129
A
VAL
130
n
140
VAL
130
A
SER
131
n
141
SER
131
A
ALA
132
n
142
ALA
132
A
PRO
133
n
143
PRO
133
A
GLU
134
n
144
GLU
134
A
ASN
135
n
145
ASN
135
A
ASN
136
n
146
ASN
136
A
GLY
137
n
147
GLY
137
A
THR
138
n
148
THR
138
A
GLY
139
n
149
GLY
139
A
SER
140
n
150
SER
140
A
HIS
141
n
151
HIS
141
A
ASP
142
n
152
ASP
142
A
LEU
143
n
153
LEU
143
A
ALA
144
n
154
ALA
144
A
MET
145
n
155
MET
145
A
ASN
146
n
156
ASN
146
A
PHE
147
n
157
PHE
147
A
GLY
148
n
158
GLY
148
A
ILE
149
n
159
ILE
149
A
ARG
150
n
160
ARG
150
A
GLY
151
n
161
GLY
151
A
LEU
152
n
162
LEU
152
A
ASN
153
n
163
ASN
153
A
PRO
154
n
164
PRO
154
A
ARG
155
n
165
ARG
155
A
LEU
156
n
166
LEU
156
A
ALA
157
n
167
ALA
157
A
SER
158
n
168
SER
158
A
ARG
159
n
169
ARG
159
A
SER
160
n
170
SER
160
A
THR
161
n
171
THR
161
A
VAL
162
n
172
VAL
162
A
LEU
163
n
173
LEU
163
A
MET
164
n
174
MET
164
A
ASP
165
n
175
ASP
165
A
GLY
166
n
176
GLY
166
A
ILE
167
n
177
ILE
167
A
PRO
168
n
178
PRO
168
A
VAL
169
n
179
VAL
169
A
PRO
170
n
180
PRO
170
A
PHE
171
n
181
PHE
171
A
ALA
172
n
182
ALA
172
A
PRO
173
n
183
PRO
173
A
TYR
174
n
184
TYR
174
A
GLY
175
n
185
GLY
175
A
GLN
176
n
186
GLN
176
A
PRO
177
n
187
PRO
177
A
GLN
178
n
188
GLN
178
A
LEU
179
n
189
LEU
179
A
SER
180
n
190
SER
180
A
LEU
181
n
191
LEU
181
A
ALA
182
n
192
ALA
182
A
PRO
183
n
193
PRO
183
A
VAL
184
n
194
VAL
184
A
SER
185
n
195
SER
185
A
LEU
186
n
196
LEU
186
A
GLY
187
n
197
GLY
187
A
ASN
188
n
198
ASN
188
A
MET
189
n
199
MET
189
A
ASP
190
n
200
ASP
190
A
ALA
191
n
201
ALA
191
A
ILE
192
n
202
ILE
192
A
ASP
193
n
203
ASP
193
A
VAL
194
n
204
VAL
194
A
VAL
195
n
205
VAL
195
A
ARG
196
n
206
ARG
196
A
GLY
197
n
207
GLY
197
A
GLY
198
n
208
GLY
198
A
GLY
199
n
209
GLY
199
A
ALA
200
n
210
ALA
200
A
VAL
201
n
211
VAL
201
A
ARG
202
n
212
ARG
202
A
TYR
203
n
213
TYR
203
A
GLY
204
n
214
GLY
204
A
PRO
205
n
215
PRO
205
A
GLN
206
n
216
GLN
206
A
SER
207
n
217
SER
207
A
VAL
208
n
218
VAL
208
A
GLY
209
n
219
GLY
209
A
GLY
210
n
220
GLY
210
A
VAL
211
n
221
VAL
211
A
VAL
212
n
222
VAL
212
A
ASN
213
n
223
ASN
213
A
PHE
214
n
224
PHE
214
A
VAL
215
n
225
VAL
215
A
THR
216
n
226
THR
216
A
ARG
217
n
227
ARG
217
A
ALA
218
n
228
ALA
218
A
ILE
219
n
229
ILE
219
A
PRO
220
n
230
PRO
220
A
GLN
221
n
231
GLN
221
A
ASP
222
n
232
ASP
222
A
PHE
223
n
233
PHE
223
A
GLY
224
n
234
GLY
224
A
ILE
225
n
235
ILE
225
A
GLU
226
n
236
GLU
226
A
ALA
227
n
237
ALA
227
A
GLY
228
n
238
GLY
228
A
VAL
229
n
239
VAL
229
A
GLU
230
n
240
GLU
230
A
GLY
231
n
241
GLY
231
A
GLN
232
n
242
GLN
232
A
LEU
233
n
243
LEU
233
A
SER
234
n
244
SER
234
A
PRO
235
n
245
PRO
235
A
THR
236
n
246
THR
236
A
SER
237
n
247
SER
237
A
SER
238
n
248
SER
238
A
GLN
239
n
249
GLN
239
A
ASN
240
n
250
ASN
240
A
ASN
241
n
251
ASN
241
A
PRO
242
n
252
PRO
242
A
LYS
243
n
253
LYS
243
A
GLU
244
n
254
GLU
244
A
THR
245
n
255
THR
245
A
HIS
246
n
256
HIS
246
A
ASN
247
n
257
ASN
247
A
LEU
248
n
258
LEU
248
A
MET
249
n
259
MET
249
A
VAL
250
n
260
VAL
250
A
GLY
251
n
261
GLY
251
A
GLY
252
n
262
GLY
252
A
THR
253
n
263
THR
253
A
ALA
254
n
264
ALA
254
A
ASP
255
n
265
ASP
255
A
ASN
256
n
266
ASN
256
A
GLY
257
n
267
GLY
257
A
PHE
258
n
268
PHE
258
A
GLY
259
n
269
GLY
259
A
THR
260
n
270
THR
260
A
ALA
261
n
271
ALA
261
A
LEU
262
n
272
LEU
262
A
LEU
263
n
273
LEU
263
A
TYR
264
n
274
TYR
264
A
SER
265
n
275
SER
265
A
GLY
266
n
276
GLY
266
A
THR
267
n
277
THR
267
A
ARG
268
n
278
ARG
268
A
GLY
269
n
279
GLY
269
A
SER
270
n
280
SER
270
A
ASP
271
n
281
ASP
271
A
TRP
272
n
282
TRP
272
A
ARG
273
n
283
ARG
273
A
GLU
274
n
284
GLU
274
A
HIS
275
n
285
HIS
275
A
SER
276
n
286
SER
276
A
ALA
277
n
287
ALA
277
A
THR
278
n
288
THR
278
A
ARG
279
n
289
ARG
279
A
ILE
280
n
290
ILE
280
A
ASP
281
n
291
ASP
281
A
ASP
282
n
292
ASP
282
A
LEU
283
n
293
LEU
283
A
MET
284
n
294
MET
284
A
LEU
285
n
295
LEU
285
A
LYS
286
n
296
LYS
286
A
SER
287
n
297
SER
287
A
LYS
288
n
298
LYS
288
A
TYR
289
n
299
TYR
289
A
ALA
290
n
300
ALA
290
A
PRO
291
n
301
PRO
291
A
ASP
292
n
302
ASP
292
A
GLU
293
n
303
GLU
293
A
VAL
294
n
304
VAL
294
A
HIS
295
n
305
HIS
295
A
THR
296
n
306
THR
296
A
PHE
297
n
307
PHE
297
A
ASN
298
n
308
ASN
298
A
SER
299
n
309
SER
299
A
LEU
300
n
310
LEU
300
A
LEU
301
n
311
LEU
301
A
GLN
302
n
312
GLN
302
A
TYR
303
n
313
TYR
303
A
TYR
304
n
314
TYR
304
A
ASP
305
n
315
ASP
305
A
GLY
306
n
316
GLY
306
A
GLU
307
n
317
GLU
307
A
ALA
308
n
318
ALA
308
A
ASP
309
n
319
ASP
309
A
MET
310
n
320
MET
310
A
PRO
311
n
321
PRO
311
A
GLY
312
n
322
GLY
312
A
GLY
313
n
323
GLY
313
A
LEU
314
n
324
LEU
314
A
SER
315
n
325
SER
315
A
ARG
316
n
326
ARG
316
A
ALA
317
n
327
ALA
317
A
ASP
318
n
328
ASP
318
A
TYR
319
n
329
TYR
319
A
ASP
320
n
330
ASP
320
A
ALA
321
n
331
ALA
321
A
ASP
322
n
332
ASP
322
A
ARG
323
n
333
ARG
323
A
TRP
324
n
334
TRP
324
A
GLN
325
n
335
GLN
325
A
SER
326
n
336
SER
326
A
THR
327
n
337
THR
327
A
ARG
328
n
338
ARG
328
A
PRO
329
n
339
PRO
329
A
TYR
330
n
340
TYR
330
A
ASP
331
n
341
ASP
331
A
ARG
332
n
342
ARG
332
A
PHE
333
n
343
PHE
333
A
TRP
334
n
344
TRP
334
A
GLY
335
n
345
GLY
335
A
ARG
336
n
346
ARG
336
A
ARG
337
n
347
ARG
337
A
LYS
338
n
348
LYS
338
A
LEU
339
n
349
LEU
339
A
ALA
340
n
350
ALA
340
A
SER
341
n
351
SER
341
A
LEU
342
n
352
LEU
342
A
GLY
343
n
353
GLY
343
A
TYR
344
n
354
TYR
344
A
GLN
345
n
355
GLN
345
A
PHE
346
n
356
PHE
346
A
GLN
347
n
357
GLN
347
A
PRO
348
n
358
PRO
348
A
ASP
349
n
359
ASP
349
A
SER
350
n
360
SER
350
A
GLN
351
n
361
GLN
351
A
HIS
352
n
362
HIS
352
A
LYS
353
n
363
LYS
353
A
PHE
354
n
364
PHE
354
A
ASN
355
n
365
ASN
355
A
ILE
356
n
366
ILE
356
A
GLN
357
n
367
GLN
357
A
GLY
358
n
368
GLY
358
A
PHE
359
n
369
PHE
359
A
TYR
360
n
370
TYR
360
A
THR
361
n
371
THR
361
A
GLN
362
n
372
GLN
362
A
THR
363
n
373
THR
363
A
LEU
364
n
374
LEU
364
A
ARG
365
n
375
ARG
365
A
SER
366
n
376
SER
366
A
GLY
367
n
377
GLY
367
A
TYR
368
n
378
TYR
368
A
LEU
369
n
379
LEU
369
A
GLU
370
n
380
GLU
370
A
GLN
371
n
381
GLN
371
A
GLY
372
n
382
GLY
372
A
LYS
373
n
383
LYS
373
A
ARG
374
n
384
ARG
374
A
ILE
375
n
385
ILE
375
A
THR
376
n
386
THR
376
A
LEU
377
n
387
LEU
377
A
SER
378
n
388
SER
378
A
PRO
379
n
389
PRO
379
A
ARG
380
n
390
ARG
380
A
ASN
381
n
391
ASN
381
A
TYR
382
n
392
TYR
382
A
TRP
383
n
393
TRP
383
A
VAL
384
n
394
VAL
384
A
ARG
385
n
395
ARG
385
A
GLY
386
n
396
GLY
386
A
ILE
387
n
397
ILE
387
A
GLU
388
n
398
GLU
388
A
PRO
389
n
399
PRO
389
A
ARG
390
n
400
ARG
390
A
TYR
391
n
401
TYR
391
A
SER
392
n
402
SER
392
A
GLN
393
n
403
GLN
393
A
ILE
394
n
404
ILE
394
A
PHE
395
n
405
PHE
395
A
MET
396
n
406
MET
396
A
ILE
397
n
407
ILE
397
A
GLY
398
n
408
GLY
398
A
PRO
399
n
409
PRO
399
A
SER
400
n
410
SER
400
A
ALA
401
n
411
ALA
401
A
HIS
402
n
412
HIS
402
A
GLU
403
n
413
GLU
403
A
VAL
404
n
414
VAL
404
A
GLY
405
n
415
GLY
405
A
VAL
406
n
416
VAL
406
A
GLY
407
n
417
GLY
407
A
TYR
408
n
418
TYR
408
A
ARG
409
n
419
ARG
409
A
TYR
410
n
420
TYR
410
A
LEU
411
n
421
LEU
411
A
ASN
412
n
422
ASN
412
A
GLU
413
n
423
GLU
413
A
SER
414
n
424
SER
414
A
THR
415
n
425
THR
415
A
HIS
416
n
426
HIS
416
A
GLU
417
n
427
GLU
417
A
MET
418
n
428
MET
418
A
ARG
419
n
429
ARG
419
A
TYR
420
n
430
TYR
420
A
TYR
421
n
431
TYR
421
A
THR
422
n
432
THR
422
A
ALA
423
n
433
ALA
423
A
THR
424
n
434
THR
424
A
SER
425
n
435
SER
425
A
SER
426
n
436
SER
426
A
GLY
427
n
437
GLY
427
A
GLN
428
n
438
GLN
428
A
LEU
429
n
439
LEU
429
A
PRO
430
n
440
PRO
430
A
SER
431
n
441
SER
431
A
GLY
432
n
442
GLY
432
A
SER
433
n
443
SER
433
A
SER
434
n
444
SER
434
A
PRO
435
n
445
PRO
435
A
TYR
436
n
446
TYR
436
A
ASP
437
n
447
ASP
437
A
ARG
438
n
448
ARG
438
A
ASP
439
n
449
ASP
439
A
THR
440
n
450
THR
440
A
ARG
441
n
451
ARG
441
A
SER
442
n
452
SER
442
A
GLY
443
n
453
GLY
443
A
THR
444
n
454
THR
444
A
GLU
445
n
455
GLU
445
A
ALA
446
n
456
ALA
446
A
HIS
447
n
457
HIS
447
A
ALA
448
n
458
ALA
448
A
TRP
449
n
459
TRP
449
A
TYR
450
n
460
TYR
450
A
LEU
451
n
461
LEU
451
A
ASP
452
n
462
ASP
452
A
ASP
453
n
463
ASP
453
A
LYS
454
n
464
LYS
454
A
ILE
455
n
465
ILE
455
A
ASP
456
n
466
ASP
456
A
ILE
457
n
467
ILE
457
A
GLY
458
n
468
GLY
458
A
ASN
459
n
469
ASN
459
A
TRP
460
n
470
TRP
460
A
THR
461
n
471
THR
461
A
ILE
462
n
472
ILE
462
A
THR
463
n
473
THR
463
A
PRO
464
n
474
PRO
464
A
GLY
465
n
475
GLY
465
A
MET
466
n
476
MET
466
A
ARG
467
n
477
ARG
467
A
PHE
468
n
478
PHE
468
A
GLU
469
n
479
GLU
469
A
HIS
470
n
480
HIS
470
A
ILE
471
n
481
ILE
471
A
GLU
472
n
482
GLU
472
A
SER
473
n
483
SER
473
A
TYR
474
n
484
TYR
474
A
GLN
475
n
485
GLN
475
A
ASN
476
n
486
ASN
476
A
ASN
477
n
487
ASN
477
A
ALA
478
n
488
ALA
478
A
ILE
479
n
489
ILE
479
A
THR
480
n
490
THR
480
A
GLY
481
n
491
GLY
481
A
THR
482
n
492
THR
482
A
HIS
483
n
493
HIS
483
A
GLU
484
n
494
GLU
484
A
GLU
485
n
495
GLU
485
A
VAL
486
n
496
VAL
486
A
SER
487
n
497
SER
487
A
TYR
488
n
498
TYR
488
A
ASN
489
n
499
ASN
489
A
ALA
490
n
500
ALA
490
A
PRO
491
n
501
PRO
491
A
LEU
492
n
502
LEU
492
A
PRO
493
n
503
PRO
493
A
ALA
494
n
504
ALA
494
A
LEU
495
n
505
LEU
495
A
ASN
496
n
506
ASN
496
A
VAL
497
n
507
VAL
497
A
LEU
498
n
508
LEU
498
A
TYR
499
n
509
TYR
499
A
HIS
500
n
510
HIS
500
A
LEU
501
n
511
LEU
501
A
THR
502
n
512
THR
502
A
ASP
503
n
513
ASP
503
A
SER
504
n
514
SER
504
A
TRP
505
n
515
TRP
505
A
ASN
506
n
516
ASN
506
A
LEU
507
n
517
LEU
507
A
TYR
508
n
518
TYR
508
A
ALA
509
n
519
ALA
509
A
ASN
510
n
520
ASN
510
A
THR
511
n
521
THR
511
A
GLU
512
n
522
GLU
512
A
GLY
513
n
523
GLY
513
A
SER
514
n
524
SER
514
A
PHE
515
n
525
PHE
515
A
GLY
516
n
526
GLY
516
A
THR
517
n
527
THR
517
A
VAL
518
n
528
VAL
518
A
GLN
519
n
529
GLN
519
A
TYR
520
n
530
TYR
520
A
SER
521
n
531
SER
521
A
GLN
522
n
532
GLN
522
A
ILE
523
n
533
ILE
523
A
GLY
524
n
534
GLY
524
A
LYS
525
n
535
LYS
525
A
ALA
526
n
536
ALA
526
A
VAL
527
n
537
VAL
527
A
GLN
528
n
538
GLN
528
A
SER
529
n
539
SER
529
A
GLY
530
n
540
GLY
530
A
ASN
531
n
541
ASN
531
A
VAL
532
n
542
VAL
532
A
GLU
533
n
543
GLU
533
A
PRO
534
n
544
PRO
534
A
GLU
535
n
545
GLU
535
A
LYS
536
n
546
LYS
536
A
ALA
537
n
547
ALA
537
A
ARG
538
n
548
ARG
538
A
THR
539
n
549
THR
539
A
TRP
540
n
550
TRP
540
A
GLU
541
n
551
GLU
541
A
LEU
542
n
552
LEU
542
A
GLY
543
n
553
GLY
543
A
THR
544
n
554
THR
544
A
ARG
545
n
555
ARG
545
A
TYR
546
n
556
TYR
546
A
ASP
547
n
557
ASP
547
A
ASP
548
n
558
ASP
548
A
GLY
549
n
559
GLY
549
A
ALA
550
n
560
ALA
550
A
LEU
551
n
561
LEU
551
A
THR
552
n
562
THR
552
A
ALA
553
n
563
ALA
553
A
GLU
554
n
564
GLU
554
A
MET
555
n
565
MET
555
A
GLY
556
n
566
GLY
556
A
LEU
557
n
567
LEU
557
A
PHE
558
n
568
PHE
558
A
LEU
559
n
569
LEU
559
A
ILE
560
n
570
ILE
560
A
ASN
561
n
571
ASN
561
A
PHE
562
n
572
PHE
562
A
ASN
563
n
573
ASN
563
A
ASN
564
n
574
ASN
564
A
GLN
565
n
575
GLN
565
A
TYR
566
n
576
TYR
566
A
ASP
567
n
577
ASP
567
A
SER
568
n
578
SER
568
A
ASN
569
n
579
ASN
569
A
GLN
570
n
580
GLN
570
A
THR
571
n
581
THR
571
A
ASN
572
n
582
ASN
572
A
ASP
573
n
583
ASP
573
A
THR
574
n
584
THR
574
A
VAL
575
n
585
VAL
575
A
THR
576
n
586
THR
576
A
ALA
577
n
587
ALA
577
A
ARG
578
n
588
ARG
578
A
GLY
579
n
589
GLY
579
A
LYS
580
n
590
LYS
580
A
THR
581
n
591
THR
581
A
ARG
582
n
592
ARG
582
A
HIS
583
n
593
HIS
583
A
THR
584
n
594
THR
584
A
GLY
585
n
595
GLY
585
A
LEU
586
n
596
LEU
586
A
GLU
587
n
597
GLU
587
A
THR
588
n
598
THR
588
A
GLN
589
n
599
GLN
589
A
ALA
590
n
600
ALA
590
A
ARG
591
n
601
ARG
591
A
TYR
592
n
602
TYR
592
A
ASP
593
n
603
ASP
593
A
LEU
594
n
604
LEU
594
A
GLY
595
n
605
GLY
595
A
THR
596
n
606
THR
596
A
LEU
597
n
607
LEU
597
A
THR
598
n
608
THR
598
A
PRO
599
n
609
PRO
599
A
THR
600
n
610
THR
600
A
LEU
601
n
611
LEU
601
A
ASP
602
n
612
ASP
602
A
ASN
603
n
613
ASN
603
A
VAL
604
n
614
VAL
604
A
SER
605
n
615
SER
605
A
ILE
606
n
616
ILE
606
A
TYR
607
n
617
TYR
607
A
ALA
608
n
618
ALA
608
A
SER
609
n
619
SER
609
A
TYR
610
n
620
TYR
610
A
ALA
611
n
621
ALA
611
A
TYR
612
n
622
TYR
612
A
VAL
613
n
623
VAL
613
A
ASN
614
n
624
ASN
614
A
ALA
615
n
625
ALA
615
A
GLU
616
n
626
GLU
616
A
ILE
617
n
627
ILE
617
A
ARG
618
n
628
ARG
618
A
GLU
619
n
629
GLU
619
A
LYS
620
n
630
LYS
620
A
GLY
621
n
631
GLY
621
A
ASP
622
n
632
ASP
622
A
THR
623
n
633
THR
623
A
TYR
624
n
634
TYR
624
A
GLY
625
n
635
GLY
625
A
ASN
626
n
636
ASN
626
A
LEU
627
n
637
LEU
627
A
VAL
628
n
638
VAL
628
A
PRO
629
n
639
PRO
629
A
PHE
630
n
640
PHE
630
A
SER
631
n
641
SER
631
A
PRO
632
n
642
PRO
632
A
LYS
633
n
643
LYS
633
A
HIS
634
n
644
HIS
634
A
LYS
635
n
645
LYS
635
A
GLY
636
n
646
GLY
636
A
THR
637
n
647
THR
637
A
LEU
638
n
648
LEU
638
A
GLY
639
n
649
GLY
639
A
VAL
640
n
650
VAL
640
A
ASP
641
n
651
ASP
641
A
TYR
642
n
652
TYR
642
A
LYS
643
n
653
LYS
643
A
PRO
644
n
654
PRO
644
A
GLY
645
n
655
GLY
645
A
ASN
646
n
656
ASN
646
A
TRP
647
n
657
TRP
647
A
THR
648
n
658
THR
648
A
PHE
649
n
659
PHE
649
A
ASN
650
n
660
ASN
650
A
LEU
651
n
661
LEU
651
A
ASN
652
n
662
ASN
652
A
SER
653
n
663
SER
653
A
ASP
654
n
664
ASP
654
A
PHE
655
n
665
PHE
655
A
GLN
656
n
666
GLN
656
A
SER
657
n
667
SER
657
A
SER
658
n
668
SER
658
A
GLN
659
n
669
GLN
659
A
PHE
660
n
670
PHE
660
A
ALA
661
n
671
ALA
661
A
ASP
662
n
672
ASP
662
A
ASN
663
n
673
ASN
663
A
ALA
664
n
674
ALA
664
A
ASN
665
n
675
ASN
665
A
THR
666
n
676
THR
666
A
VAL
667
n
677
VAL
667
A
LYS
668
n
678
LYS
668
A
GLU
669
n
679
GLU
669
A
SER
670
n
680
SER
670
A
ALA
671
n
681
ALA
671
A
ASP
672
n
682
ASP
672
A
GLY
673
n
683
GLY
673
A
SER
674
n
684
SER
674
A
THR
675
n
685
THR
675
A
GLY
676
n
686
GLY
676
A
ARG
677
n
687
ARG
677
A
ILE
678
n
688
ILE
678
A
PRO
679
n
689
PRO
679
A
GLY
680
n
690
GLY
680
A
PHE
681
n
691
PHE
681
A
MET
682
n
692
MET
682
A
LEU
683
n
693
LEU
683
A
TRP
684
n
694
TRP
684
A
GLY
685
n
695
GLY
685
A
ALA
686
n
696
ALA
686
A
ARG
687
n
697
ARG
687
A
VAL
688
n
698
VAL
688
A
ALA
689
n
699
ALA
689
A
TYR
690
n
700
TYR
690
A
ASP
691
n
701
ASP
691
A
PHE
692
n
702
PHE
692
A
GLY
693
n
703
GLY
693
A
PRO
694
n
704
PRO
694
A
GLN
695
n
705
GLN
695
A
MET
696
n
706
MET
696
A
ALA
697
n
707
ALA
697
A
ASP
698
n
708
ASP
698
A
LEU
699
n
709
LEU
699
A
ASN
700
n
710
ASN
700
A
LEU
701
n
711
LEU
701
A
ALA
702
n
712
ALA
702
A
PHE
703
n
713
PHE
703
A
GLY
704
n
714
GLY
704
A
VAL
705
n
715
VAL
705
A
LYS
706
n
716
LYS
706
A
ASN
707
n
717
ASN
707
A
ILE
708
n
718
ILE
708
A
PHE
709
n
719
PHE
709
A
ASP
710
n
720
ASP
710
A
GLN
711
n
721
GLN
711
A
ASP
712
n
722
ASP
712
A
TYR
713
n
723
TYR
713
A
PHE
714
n
724
PHE
714
A
ILE
715
n
725
ILE
715
A
ARG
716
n
726
ARG
716
A
SER
717
n
727
SER
717
A
TYR
718
n
728
TYR
718
A
ASP
719
n
729
ASP
719
A
ASP
720
n
730
ASP
720
A
ASN
721
n
731
ASN
721
A
ASN
722
n
732
ASN
722
A
LYS
723
n
733
LYS
723
A
GLY
724
n
734
GLY
724
A
ILE
725
n
735
ILE
725
A
TYR
726
n
736
TYR
726
A
ALA
727
n
737
ALA
727
A
GLY
728
n
738
GLY
728
A
GLN
729
n
739
GLN
729
A
PRO
730
n
740
PRO
730
A
ARG
731
n
741
ARG
731
A
THR
732
n
742
THR
732
A
LEU
733
n
743
LEU
733
A
TYR
734
n
744
TYR
734
A
MET
735
n
745
MET
735
A
GLN
736
n
746
GLN
736
A
GLY
737
n
747
GLY
737
A
SER
738
n
748
SER
738
A
LEU
739
n
749
LEU
739
A
LYS
740
n
750
LYS
740
A
PHE
741
n
751
PHE
741
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
N
ASP
105
A
N
ASP
115
A
O
VAL
194
A
O
VAL
204
A
N
VAL
195
A
N
VAL
205
A
O
VAL
211
A
O
VAL
221
A
O
PHE
214
A
O
PHE
224
A
N
LEU
163
A
N
LEU
173
A
N
MET
164
A
N
MET
174
A
O
ILE
167
A
O
ILE
177
A
N
SER
131
A
N
SER
141
A
O
GLY
148
A
O
GLY
158
A
N
GLN
371
A
N
GLN
381
A
O
ARG
374
A
O
ARG
384
A
N
LEU
377
A
N
LEU
387
A
O
TYR
420
A
O
TYR
430
A
O
PHE
354
A
O
PHE
364
A
N
PHE
346
A
N
PHE
356
A
O
PHE
333
A
O
PHE
343
A
N
ALA
308
A
N
ALA
318
A
O
PHE
297
A
O
PHE
307
A
N
TYR
289
A
N
TYR
299
A
O
LYS
288
A
O
LYS
298
A
N
GLY
259
A
N
GLY
269
A
O
GLY
266
A
O
GLY
276
A
N
HIS
246
A
N
HIS
256
A
O
MET
249
A
O
MET
259
A
N
GLU
226
A
N
GLU
236
A
N
ALA
227
A
N
ALA
237
A
O
LEU
739
A
O
LEU
749
A
O
THR
732
A
O
THR
742
A
N
LYS
706
A
N
LYS
716
A
O
PHE
703
A
O
PHE
713
A
N
VAL
688
A
N
VAL
698
A
O
LEU
683
A
O
LEU
693
A
N
ASP
654
A
N
ASP
664
A
O
SER
653
A
O
SER
663
A
N
LEU
638
A
N
LEU
648
A
O
ASP
641
A
O
ASP
651
A
N
SER
605
A
N
SER
615
A
O
ASN
614
A
O
ASN
624
A
N
THR
584
A
N
THR
594
A
O
HIS
583
A
O
HIS
593
A
N
ILE
560
A
N
ILE
570
A
O
ALA
553
A
O
ALA
563
A
N
TYR
546
A
N
TYR
556
A
O
GLU
535
A
O
GLU
545
A
N
GLY
516
A
N
GLY
526
A
O
ALA
509
A
O
ALA
519
A
N
VAL
497
A
N
VAL
507
A
O
LEU
492
A
O
LEU
502
A
N
ARG
467
A
N
ARG
477
A
O
ASN
476
A
O
ASN
486
A
N
ARG
441
A
N
ARG
451
A
O
THR
440
A
O
THR
450
A
N
GLU
417
A
N
GLU
427
A
O
HIS
402
A
O
HIS
412
A
N
PHE
395
A
N
PHE
405
A
N
PHE
395
A
N
PHE
405
A
O
HIS
402
A
O
HIS
412
A
N
ILE
715
A
N
ILE
725
A
O
TYR
726
A
O
TYR
736
1
A
CG
ASP
255
A
CG
ASP
265
1
Y
1
A
OD1
ASP
255
A
OD1
ASP
265
1
Y
1
A
OD2
ASP
255
A
OD2
ASP
265
1
Y
1
A
CG
GLU
293
A
CG
GLU
303
1
Y
1
A
CD
GLU
293
A
CD
GLU
303
1
Y
1
A
OE1
GLU
293
A
OE1
GLU
303
1
Y
1
A
OE2
GLU
293
A
OE2
GLU
303
1
Y
1
A
CG
GLN
428
A
CG
GLN
438
1
Y
1
A
CD
GLN
428
A
CD
GLN
438
1
Y
1
A
OE1
GLN
428
A
OE1
GLN
438
1
Y
1
A
NE2
GLN
428
A
NE2
GLN
438
1
Y
1
A
CG
GLN
695
A
CG
GLN
705
1
Y
1
A
CD
GLN
695
A
CD
GLN
705
1
Y
1
A
OE1
GLN
695
A
OE1
GLN
705
1
Y
1
A
NE2
GLN
695
A
NE2
GLN
705
1
Y
1
A
CG
MET
696
A
CG
MET
706
1
Y
1
A
SD
MET
696
A
SD
MET
706
1
Y
1
A
CE
MET
696
A
CE
MET
706
1
Y
1
A
HIS
-9
A
HIS
1
1
Y
1
A
HIS
-8
A
HIS
2
1
Y
1
A
HIS
-7
A
HIS
3
1
Y
1
A
HIS
-6
A
HIS
4
1
Y
1
A
HIS
-5
A
HIS
5
1
Y
1
A
HIS
-4
A
HIS
6
1
Y
1
A
HIS
-3
A
HIS
7
1
Y
1
A
HIS
-2
A
HIS
8
1
Y
1
A
HIS
-1
A
HIS
9
1
Y
1
A
HIS
0
A
HIS
10
1
Y
1
A
ALA
1
A
ALA
11
1
Y
1
A
GLN
2
A
GLN
12
1
Y
1
A
VAL
3
A
VAL
13
1
Y
1
A
ASN
4
A
ASN
14
1
Y
1
A
ILE
5
A
ILE
15
1
Y
1
A
ALA
6
A
ALA
16
1
Y
1
A
PRO
7
A
PRO
17
1
Y
1
A
GLY
8
A
GLY
18
1
Y
1
A
SER
9
A
SER
19
1
Y
1
A
LEU
10
A
LEU
20
1
Y
1
A
ASP
11
A
ASP
21
1
Y
1
A
LYS
12
A
LYS
22
1
Y
1
A
ALA
13
A
ALA
23
1
Y
1
A
LEU
14
A
LEU
24
1
Y
1
A
ASN
15
A
ASN
25
1
Y
1
A
GLN
16
A
GLN
26
1
Y
1
A
TYR
17
A
TYR
27
1
Y
1
A
ALA
18
A
ALA
28
1
Y
1
A
ALA
19
A
ALA
29
1
Y
1
A
HIS
20
A
HIS
30
1
Y
1
A
SER
21
A
SER
31
1
Y
1
A
GLY
22
A
GLY
32
1
Y
1
A
PHE
23
A
PHE
33
1
Y
1
A
THR
24
A
THR
34
1
Y
1
A
LEU
25
A
LEU
35
1
Y
1
A
SER
26
A
SER
36
1
Y
1
A
VAL
27
A
VAL
37
1
Y
1
A
ASP
28
A
ASP
38
1
Y
1
A
ALA
29
A
ALA
39
1
Y
1
A
SER
30
A
SER
40
1
Y
1
A
LEU
31
A
LEU
41
1
Y
1
A
THR
32
A
THR
42
1
Y
1
A
ARG
33
A
ARG
43
1
Y
1
A
GLY
34
A
GLY
44
1
Y
1
A
LYS
35
A
LYS
45
1
Y
1
A
GLN
36
A
GLN
46
1
Y
1
A
SER
37
A
SER
47
1
Y
1
A
ASN
38
A
ASN
48
1
Y
1
A
GLY
39
A
GLY
49
1
Y
1
A
LEU
40
A
LEU
50
1
Y
1
A
HIS
41
A
HIS
51
1
Y
1
A
GLY
42
A
GLY
52
1
Y
1
A
ASP
43
A
ASP
53
1
Y
1
A
TYR
44
A
TYR
54
1
Y
1
A
ASP
45
A
ASP
55
1
Y
1
A
VAL
46
A
VAL
56
1
Y
1
A
GLU
47
A
GLU
57
1
Y
1
A
SER
48
A
SER
58
1
Y
1
A
GLY
49
A
GLY
59
1
Y
1
A
LEU
50
A
LEU
60
1
Y
1
A
GLN
51
A
GLN
61
1
Y
1
A
GLN
52
A
GLN
62
1
Y
1
A
LEU
53
A
LEU
63
1
Y
1
A
LEU
54
A
LEU
64
1
Y
1
A
ASP
55
A
ASP
65
1
Y
1
A
GLY
56
A
GLY
66
1
Y
1
A
SER
57
A
SER
67
1
Y
1
A
GLY
58
A
GLY
68
1
Y
1
A
LEU
59
A
LEU
69
1
Y
1
A
GLN
60
A
GLN
70
1
Y
1
A
VAL
61
A
VAL
71
1
Y
1
A
LYS
62
A
LYS
72
1
Y
1
A
PRO
63
A
PRO
73
1
Y
1
A
LEU
64
A
LEU
74
1
Y
1
A
GLY
65
A
GLY
75
1
Y
1
A
ASN
66
A
ASN
76
1
Y
1
A
ASN
67
A
ASN
77
1
Y
1
A
SER
68
A
SER
78
1
Y
1
A
TRP
69
A
TRP
79
1
Y
1
A
THR
70
A
THR
80
1
Y
1
A
LEU
71
A
LEU
81
1
Y
1
A
GLU
72
A
GLU
82
1
Y
1
A
PRO
73
A
PRO
83
1
Y
1
A
ALA
74
A
ALA
84
1
Y
1
A
PRO
75
A
PRO
85
1
Y
1
A
ALA
76
A
ALA
86
1
Y
1
A
PRO
77
A
PRO
87
1
Y
1
A
LYS
78
A
LYS
88
1
Y
1
A
GLU
79
A
GLU
89
1
Y
1
A
ASP
80
A
ASP
90
1
Y
1
A
A
NH1
O
ARG
ALA
121
132
2.06
1
A
LEU
82
62.79
89.27
1
A
LEU
89
-76.60
-71.93
1
A
ASP
91
-96.39
30.72
1
A
ALA
157
34.30
59.24
1
A
ALA
172
-157.37
68.43
1
A
TYR
174
-91.99
-63.20
1
A
GLN
176
-157.87
76.94
1
A
PRO
177
-68.19
0.03
1
A
PRO
183
-68.55
56.54
1
A
PHE
223
-21.00
127.90
1
A
ASP
271
-99.26
-148.73
1
A
ASP
292
-172.48
-171.15
1
A
GLN
325
-53.24
170.83
1
A
SER
378
-118.22
75.68
1
A
ASP
547
-164.89
92.14
1
A
THR
596
-59.21
12.14
1
A
LEU
597
-115.29
-73.70
1
A
GLN
695
176.32
-66.63
1
A
MET
696
-88.25
34.22
1
A
ALA
697
50.73
74.20
1
A
ASP
698
37.64
43.80
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARAM
WATER.TOP
CITRATE.PARAM
CITRATE.TOP
34.8
-2.66
0.00
0.00
-2.14
0.00
4.80
Side chains were not built for residues ASP255, GLU293, GLN428, GLN695 and MET696
0.257
0.005
0.233
0.246
0.233
2.15
19.93
2608
52350
51234
5.0
98.1
RANDOM
1
RESTRAINED
THROUGHOUT
0
MOLECULAR REPLACEMENT
PDB accession code 1KMO
Engh & Huber
FLAT MODEL
41.0399
0.342783
0.34
0.30
5.00
0.41
0.41
2.15
19.93
256
5448
26
0
5166
0.006
1.5
26.7
1.03
1.31
1.50
2.10
2.00
2.65
2.00
3.66
2.50
0.411
0.020
0.409
2.28
409
7648
7648
6
5.1
91.8
23.3
2.15
29.06
1PO0
54025
52397
1.0
1.0
0.112
1
10.5
4.0
98.1
0.41
2.15
2.20
2.3
3498
2.30
90.1
refinement
CNS
1.1
data reduction
MOSFLM
data scaling
CCP4
(SCALA)
phasing
MOLREP
Crystal structure of ferric citrate transporter FecA in complex with iron-free citrate
1
N
N
2
N
N
2
N
N
3
N
N
The biological assembly is a monomer
A
ARG
93
A
ARG
103
HELX_P
A
GLU
99
A
GLU
109
1
1
7
A
ARG
109
A
ARG
119
HELX_P
A
ALA
113
A
ALA
123
1
2
5
A
LYS
114
A
LYS
124
HELX_P
A
GLY
116
A
GLY
126
5
3
3
A
THR
119
A
THR
129
HELX_P
A
ASN
125
A
ASN
135
1
4
7
A
ASN
136
A
ASN
146
HELX_P
A
SER
140
A
SER
150
5
5
5
A
PRO
154
A
PRO
164
HELX_P
A
SER
158
A
SER
168
5
6
5
A
SER
185
A
SER
195
HELX_P
A
GLY
187
A
GLY
197
5
7
3
A
GLN
206
A
GLN
216
HELX_P
A
GLY
209
A
GLY
219
5
8
4
A
SER
315
A
SER
325
HELX_P
A
ASP
322
A
ASP
332
1
9
8
A
GLN
519
A
GLN
529
HELX_P
A
GLY
530
A
GLY
540
1
10
12
A
GLY
595
A
GLY
605
HELX_P
A
LEU
597
A
LEU
607
5
11
3
A
THR
598
A
THR
608
HELX_P
A
ASP
602
A
ASP
612
5
12
5
MEMBRANE PROTEIN
outer membrane protein, beta barrel, TonB-dependent transport, citrate, siderophore, MEMBRANE PROTEIN
A
GLY
204
A
GLY
214
1
A
PRO
205
A
PRO
215
-0.04
FECA_ECOLI
UNP
1
34
P13036
AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED
ALTVVGDWLGDARENDVFEHAGARDVIRREDFAKTGATTMREVLNRIPGVSAPENNGTGSHDLAMNFGIRGLNPRLASRS
TVLMDGIPVPFAPYGQPQLSLAPVSLGNMDAIDVVRGGGAVRYGPQSVGGVVNFVTRAIPQDFGIEAGVEGQLSPTSSQN
NPKETHNLMVGGTADNGFGTALLYSGTRGSDWREHSATRIDDLMLKSKYAPDEVHTFNSLLQYYDGEADMPGGLSRADYD
ADRWQSTRPYDRFWGRRKLASLGYQFQPDSQHKFNIQGFYTQTLRSGYLEQGKRITLSPRNYWVRGIEPRYSQIFMIGPS
AHEVGVGYRYLNESTHEMRYYTATSSGQLPSGSSPYDRDTRSGTEAHAWYLDDKIDIGNWTITPGMRFEHIESYQNNAIT
GTHEEVSYNAPLPALNVLYHLTDSWNLYANTEGSFGTVQYSQIGKAVQSGNVEPEKARTWELGTRYDDGALTAEMGLFLI
NFNNQYDSNQTNDTVTARGKTRHTGLETQARYDLGTLTPTLDNVSIYASYAYVNAEIREKGDTYGNLVPFSPKHKGTLGV
DYKPGNWTFNLNSDFQSSQFADNANTVKESADGSTGRIPGFMLWGARVAYDFGPQMADLNLAFGVKNIFDQDYFIRSYDD
NNKGIYAGQPRTLYMQGSLKF
34
774
1PO0
1
741
P13036
A
1
11
751
5
2
26
2
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
ASP
105
A
ASP
115
A
ARG
108
A
ARG
118
A
MET
189
A
MET
199
A
VAL
195
A
VAL
205
A
VAL
211
A
VAL
221
A
THR
216
A
THR
226
A
THR
161
A
THR
171
A
MET
164
A
MET
174
A
ILE
167
A
ILE
177
A
PRO
168
A
PRO
178
A
VAL
130
A
VAL
140
A
SER
131
A
SER
141
A
GLY
148
A
GLY
158
A
ILE
149
A
ILE
159
A
HIS
352
A
HIS
362
A
GLN
371
A
GLN
381
A
ARG
374
A
ARG
384
A
LEU
377
A
LEU
387
A
SER
400
A
SER
410
A
ALA
423
A
ALA
433
A
HIS
352
A
HIS
362
A
GLN
371
A
GLN
381
A
ARG
332
A
ARG
342
A
ASP
349
A
ASP
359
A
HIS
295
A
HIS
305
A
ASP
309
A
ASP
319
A
THR
278
A
THR
288
A
TYR
289
A
TYR
299
A
PHE
258
A
PHE
268
A
GLY
269
A
GLY
279
A
LYS
243
A
LYS
253
A
THR
253
A
THR
263
A
GLY
224
A
GLY
234
A
LEU
233
A
LEU
243
A
THR
732
A
THR
742
A
LYS
740
A
LYS
750
A
ASN
700
A
ASN
710
A
LYS
706
A
LYS
716
A
PHE
681
A
PHE
691
A
ASP
691
A
ASP
701
A
TRP
647
A
TRP
657
A
GLN
656
A
GLN
666
A
HIS
634
A
HIS
644
A
TYR
642
A
TYR
652
A
VAL
604
A
VAL
614
A
ILE
617
A
ILE
627
A
GLY
579
A
GLY
589
A
ASP
593
A
ASP
603
A
LEU
551
A
LEU
561
A
GLN
565
A
GLN
575
A
GLU
535
A
GLU
545
A
ASP
547
A
ASP
557
A
TRP
505
A
TRP
515
A
GLY
516
A
GLY
526
A
HIS
483
A
HIS
493
A
THR
502
A
THR
512
A
TRP
460
A
TRP
470
A
ASN
477
A
ASN
487
A
TYR
436
A
TYR
446
A
ILE
457
A
ILE
467
A
SER
400
A
SER
410
A
ALA
423
A
ALA
433
A
ARG
380
A
ARG
390
A
ILE
397
A
ILE
407
A
SER
400
A
SER
410
A
ALA
423
A
ALA
433
A
PHE
714
A
PHE
724
A
SER
717
A
SER
727
A
GLY
724
A
GLY
734
A
ALA
727
A
ALA
737
BINDING SITE FOR RESIDUE FLC A 742
A
FLC
742
Software
12
BINDING SITE FOR RESIDUE FLC A 743
A
FLC
743
Software
12
A
THR
138
A
THR
148
12
1_555
A
ARG
155
A
ARG
165
12
1_555
A
ARG
365
A
ARG
375
12
1_555
A
ARG
380
A
ARG
390
12
1_555
A
ASP
720
A
ASP
730
12
1_555
A
FLC
743
C
FLC
12
1_555
A
HOH
744
D
HOH
12
1_555
A
HOH
745
D
HOH
12
1_555
A
HOH
746
D
HOH
12
1_555
A
HOH
748
D
HOH
12
1_555
A
HOH
852
D
HOH
12
1_555
A
HOH
960
D
HOH
12
1_555
A
ARG
155
A
ARG
165
12
1_555
A
GLN
176
A
GLN
186
12
1_555
A
GLN
178
A
GLN
188
12
1_555
A
ARG
380
A
ARG
390
12
1_555
A
ARG
438
A
ARG
448
12
1_555
A
SER
521
A
SER
531
12
1_555
A
FLC
742
B
FLC
12
1_555
A
HOH
745
D
HOH
12
1_555
A
HOH
746
D
HOH
12
1_555
A
HOH
747
D
HOH
12
1_555
A
HOH
748
D
HOH
12
1_555
A
HOH
846
D
HOH
12
1_555
18
P 21 21 2