0.019046
0.000000
0.000000
0.000000
0.016192
0.000000
0.000000
0.000000
0.014147
0.00000
0.00000
0.00000
Griesbeck, O.
Baird, G.S.
Campbell, R.E.
Zacharias, D.A.
Tsien, R.Y.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
52.504
61.758
70.684
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
C15 H17 N3 O5
319.313
n
{2-[(1R,2R)-1-amino-2-hydroxypropyl]-4-(4-hydroxybenzylidene)-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid
PEPTIDE DERIVED CHROMOPHORE
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
R
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
N
N
81
N
N
N
82
N
C
N
83
N
O
N
84
N
C
N
85
N
C
N
86
N
C
N
87
N
O
N
88
N
C
Y
89
N
C
Y
90
N
C
Y
91
N
C
Y
92
N
C
Y
93
N
C
Y
94
N
C
N
95
N
O
N
96
N
O
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
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
H
N
113
N
H
N
114
N
N
N
115
R
C
N
116
N
C
N
117
N
O
N
118
N
C
N
119
N
S
N
120
N
O
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
H
N
128
N
N
N
129
S
C
N
130
N
C
N
131
N
O
N
132
N
C
N
133
N
C
N
134
N
C
N
135
N
O
N
136
N
N
N
137
N
O
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
N
N
149
S
C
N
150
N
C
N
151
N
O
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
O
N
157
N
O
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
N
N
168
N
C
N
169
N
C
N
170
N
O
N
171
N
O
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
N
N
178
S
C
N
179
N
C
N
180
N
O
N
181
N
C
Y
182
N
C
Y
183
N
N
Y
184
N
C
Y
185
N
C
Y
186
N
N
N
187
N
O
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
O
N
199
N
H
N
200
N
H
N
201
N
N
N
202
S
C
N
203
N
C
N
204
N
O
N
205
S
C
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
O
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
N
N
224
S
C
N
225
N
C
N
226
N
O
N
227
N
C
N
228
N
C
N
229
N
C
N
230
N
C
N
231
N
O
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
N
N
246
S
C
N
247
N
C
N
248
N
O
N
249
N
C
N
250
N
C
N
251
N
C
N
252
N
C
N
253
N
N
N
254
N
O
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
N
C
N
275
N
C
N
276
N
S
N
277
N
C
N
278
N
O
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
Y
298
N
C
Y
299
N
C
Y
300
N
C
N
301
N
O
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
N
N
314
S
C
N
315
N
C
N
316
N
O
N
317
N
C
N
318
N
C
N
319
N
C
N
320
N
O
N
321
N
H
N
322
N
H
N
323
N
H
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
N
N
331
S
C
N
332
N
C
N
333
N
O
N
334
N
C
N
335
N
O
N
336
N
O
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
N
N
345
S
C
N
346
N
C
N
347
N
O
N
348
R
C
N
349
N
O
N
350
N
C
N
351
N
O
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
N
N
362
S
C
N
363
N
C
N
364
N
O
N
365
N
C
Y
366
N
C
Y
367
N
C
Y
368
N
C
Y
369
N
N
Y
370
N
C
Y
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
N
375
N
O
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
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
N
N
389
S
C
N
390
N
C
N
391
N
O
N
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
Y
396
N
C
Y
397
N
C
Y
398
N
C
N
399
N
O
N
400
N
O
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
N
N
413
S
C
N
414
N
C
N
415
N
O
N
416
N
C
N
417
N
C
N
418
N
C
N
419
N
O
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
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
Y
75
N
doub
Y
76
N
sing
N
77
N
sing
Y
78
N
sing
Y
79
N
doub
N
80
N
doub
N
81
N
sing
N
82
N
sing
Y
83
N
doub
Y
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
Z
doub
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
doub
N
93
N
doub
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
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
sing
N
117
N
doub
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
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
doub
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
doub
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
doub
N
158
N
sing
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
doub
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
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
Y
181
N
sing
Y
182
N
doub
Y
183
N
doub
N
184
N
sing
Y
185
N
sing
N
186
N
sing
Y
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
doub
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
doub
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
doub
N
266
N
sing
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
sing
N
284
N
doub
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
Y
289
N
doub
Y
290
N
sing
Y
291
N
sing
N
292
N
sing
Y
293
N
doub
N
294
N
sing
Y
295
N
doub
N
296
N
sing
Y
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
doub
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
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
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
doub
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
doub
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
Y
358
N
doub
Y
359
N
sing
Y
360
N
sing
N
361
N
sing
Y
362
N
doub
Y
363
N
sing
Y
364
N
sing
N
365
N
sing
Y
366
N
sing
Y
367
N
doub
N
368
N
sing
Y
369
N
doub
N
370
N
sing
Y
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
N
380
N
sing
N
381
N
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
Y
386
N
doub
Y
387
N
sing
Y
388
N
sing
N
389
N
sing
Y
390
N
doub
N
391
N
sing
Y
392
N
doub
N
393
N
sing
Y
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
N
403
N
sing
N
404
N
sing
N
405
N
doub
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
276
29188
29194
10.1074/jbc.M102815200
11387331
Reducing the environmental sensitivity of yellow fluorescent protein. Mechanism and applications
2001
10.2210/pdb1huy/pdb
pdb_00001huy
1.000000
.000000
.000000
.000000
1.000000
.000000
.000000
.000000
1.000000
.00000
.00000
.00000
298
1
mirrors
IMAGE PLATE
2000-11-17
MARRESEARCH
GRAPHITE
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
27319.883
GREEN FLUORESCENT PROTEIN
S65G, V68L, Q69M, S72A, T203Y
1
man
polymer
18.015
water
97
nat
water
no
yes
DPMVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTF(CRO)LMCFARYP
DHMKRHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMAD
KQKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSYQSALSKDPNEKRDHMVLLEFVTAAGITHGMDE
LYK
DPMVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFTYGLMCFARYPDH
MKRHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQ
KNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSYQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELY
K
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
Aequorea
Escherichia
sample
GFP
6100
Aequorea victoria
562
Escherichia coli
JM109(DE3)
PLASMID
PRSETB
1
2.10
41.36
VAPOR DIFFUSION, HANGING DROP
5.0
50 mM NH4OAc, 50 mM NaOAc, 8% PEG 3400, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
software
database_2
struct_conn
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Database references
Derived calculations
Data collection
Refinement description
Data collection
1
0
2001-07-04
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2021-10-27
1
5
2023-08-09
1
6
2023-11-15
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
_chem_comp_atom.atom_id
_chem_comp_bond.atom_id_2
Yellow variant of Green Fluorescent Protein
Yellow variant of Green Fluorescent Protein
H148G
Yellow variant of Green Fluorescent Protein
with bound iodide
H148Q
Yellow variant of Green Fluorescent Protein
H148Q
HETEROGEN
THE HET RESIDUE CRO IS FORMED FROM AN AUTOCATALYTIC
POST-TRANSLATIONAL CYCLIZATION, DEHYDRATION, AND OXIDATION
OF RESIDUES GLY 65, TYR 66, AND GLY 67, RESULTING IN A
COVALENTLY LINKED GREEN CHROMOPHORE.
SEQUENCE
RESIDUES GLY65, TYR66, AND GLY67 ARE NOT PRESENT IN
THE ENTRY. INSTEAD THEY ARE REPLACED WITH CRO66.
The GFP chromophore (CRO) is formed from cyclization
of the main chain of residues Gly65, Tyr66, and Gly67.
A subsequent oxidation of the Tyr66 side chain yields
the mature chromophore.
The N-terminal addition of an Asp and a Pro residue
results from Enterokinase catalyzed cleavage of a His
tag that facilitated purification.
Val 1A is inserted to improve expression in mammalian
systems.
RCSB
Y
RCSB
2001-01-04
REL
REL
HOH
water
2YFP
PDB ENTRY 2YFP
PDB
experimental model
HOH
239
2
HOH
HOH
239
A
HOH
240
2
HOH
HOH
240
A
HOH
241
2
HOH
HOH
241
A
HOH
242
2
HOH
HOH
242
A
HOH
243
2
HOH
HOH
243
A
HOH
244
2
HOH
HOH
244
A
HOH
245
2
HOH
HOH
245
A
HOH
246
2
HOH
HOH
246
A
HOH
247
2
HOH
HOH
247
A
HOH
248
2
HOH
HOH
248
A
HOH
249
2
HOH
HOH
249
A
HOH
250
2
HOH
HOH
250
A
HOH
251
2
HOH
HOH
251
A
HOH
252
2
HOH
HOH
252
A
HOH
253
2
HOH
HOH
253
A
HOH
254
2
HOH
HOH
254
A
HOH
255
2
HOH
HOH
255
A
HOH
256
2
HOH
HOH
256
A
HOH
257
2
HOH
HOH
257
A
HOH
258
2
HOH
HOH
258
A
HOH
259
2
HOH
HOH
259
A
HOH
260
2
HOH
HOH
260
A
HOH
261
2
HOH
HOH
261
A
HOH
262
2
HOH
HOH
262
A
HOH
263
2
HOH
HOH
263
A
HOH
264
2
HOH
HOH
264
A
HOH
265
2
HOH
HOH
265
A
HOH
266
2
HOH
HOH
266
A
HOH
267
2
HOH
HOH
267
A
HOH
268
2
HOH
HOH
268
A
HOH
269
2
HOH
HOH
269
A
HOH
270
2
HOH
HOH
270
A
HOH
271
2
HOH
HOH
271
A
HOH
272
2
HOH
HOH
272
A
HOH
273
2
HOH
HOH
273
A
HOH
274
2
HOH
HOH
274
A
HOH
275
2
HOH
HOH
275
A
HOH
276
2
HOH
HOH
276
A
HOH
277
2
HOH
HOH
277
A
HOH
278
2
HOH
HOH
278
A
HOH
279
2
HOH
HOH
279
A
HOH
280
2
HOH
HOH
280
A
HOH
281
2
HOH
HOH
281
A
HOH
282
2
HOH
HOH
282
A
HOH
283
2
HOH
HOH
283
A
HOH
284
2
HOH
HOH
284
A
HOH
285
2
HOH
HOH
285
A
HOH
286
2
HOH
HOH
286
A
HOH
287
2
HOH
HOH
287
A
HOH
288
2
HOH
HOH
288
A
HOH
289
2
HOH
HOH
289
A
HOH
290
2
HOH
HOH
290
A
HOH
291
2
HOH
HOH
291
A
HOH
292
2
HOH
HOH
292
A
HOH
293
2
HOH
HOH
293
A
HOH
294
2
HOH
HOH
294
A
HOH
295
2
HOH
HOH
295
A
HOH
296
2
HOH
HOH
296
A
HOH
297
2
HOH
HOH
297
A
HOH
298
2
HOH
HOH
298
A
HOH
299
2
HOH
HOH
299
A
HOH
300
2
HOH
HOH
300
A
HOH
301
2
HOH
HOH
301
A
HOH
302
2
HOH
HOH
302
A
HOH
303
2
HOH
HOH
303
A
HOH
304
2
HOH
HOH
304
A
HOH
305
2
HOH
HOH
305
A
HOH
306
2
HOH
HOH
306
A
HOH
307
2
HOH
HOH
307
A
HOH
308
2
HOH
HOH
308
A
HOH
309
2
HOH
HOH
309
A
HOH
310
2
HOH
HOH
310
A
HOH
311
2
HOH
HOH
311
A
HOH
312
2
HOH
HOH
312
A
HOH
313
2
HOH
HOH
313
A
HOH
314
2
HOH
HOH
314
A
HOH
315
2
HOH
HOH
315
A
HOH
316
2
HOH
HOH
316
A
HOH
317
2
HOH
HOH
317
A
HOH
318
2
HOH
HOH
318
A
HOH
319
2
HOH
HOH
319
A
HOH
320
2
HOH
HOH
320
A
HOH
321
2
HOH
HOH
321
A
HOH
322
2
HOH
HOH
322
A
HOH
323
2
HOH
HOH
323
A
HOH
324
2
HOH
HOH
324
A
HOH
325
2
HOH
HOH
325
A
HOH
326
2
HOH
HOH
326
A
HOH
327
2
HOH
HOH
327
A
HOH
328
2
HOH
HOH
328
A
HOH
329
2
HOH
HOH
329
A
HOH
330
2
HOH
HOH
330
A
HOH
331
2
HOH
HOH
331
A
HOH
332
2
HOH
HOH
332
A
HOH
333
2
HOH
HOH
333
A
HOH
334
2
HOH
HOH
334
A
HOH
335
2
HOH
HOH
335
A
ASP
-1
n
1
ASP
-1
A
PRO
0
n
2
PRO
0
A
MET
1
n
3
MET
1
A
VAL
1
n
4
A
VAL
1
A
SER
2
n
5
SER
2
A
LYS
3
n
6
LYS
3
A
GLY
4
n
7
GLY
4
A
GLU
5
n
8
GLU
5
A
GLU
6
n
9
GLU
6
A
LEU
7
n
10
LEU
7
A
PHE
8
n
11
PHE
8
A
THR
9
n
12
THR
9
A
GLY
10
n
13
GLY
10
A
VAL
11
n
14
VAL
11
A
VAL
12
n
15
VAL
12
A
PRO
13
n
16
PRO
13
A
ILE
14
n
17
ILE
14
A
LEU
15
n
18
LEU
15
A
VAL
16
n
19
VAL
16
A
GLU
17
n
20
GLU
17
A
LEU
18
n
21
LEU
18
A
ASP
19
n
22
ASP
19
A
GLY
20
n
23
GLY
20
A
ASP
21
n
24
ASP
21
A
VAL
22
n
25
VAL
22
A
ASN
23
n
26
ASN
23
A
GLY
24
n
27
GLY
24
A
HIS
25
n
28
HIS
25
A
LYS
26
n
29
LYS
26
A
PHE
27
n
30
PHE
27
A
SER
28
n
31
SER
28
A
VAL
29
n
32
VAL
29
A
SER
30
n
33
SER
30
A
GLY
31
n
34
GLY
31
A
GLU
32
n
35
GLU
32
A
GLY
33
n
36
GLY
33
A
GLU
34
n
37
GLU
34
A
GLY
35
n
38
GLY
35
A
ASP
36
n
39
ASP
36
A
ALA
37
n
40
ALA
37
A
THR
38
n
41
THR
38
A
TYR
39
n
42
TYR
39
A
GLY
40
n
43
GLY
40
A
LYS
41
n
44
LYS
41
A
LEU
42
n
45
LEU
42
A
THR
43
n
46
THR
43
A
LEU
44
n
47
LEU
44
A
LYS
45
n
48
LYS
45
A
PHE
46
n
49
PHE
46
A
ILE
47
n
50
ILE
47
A
CYS
48
n
51
CYS
48
A
THR
49
n
52
THR
49
A
THR
50
n
53
THR
50
A
GLY
51
n
54
GLY
51
A
LYS
52
n
55
LYS
52
A
LEU
53
n
56
LEU
53
A
PRO
54
n
57
PRO
54
A
VAL
55
n
58
VAL
55
A
PRO
56
n
59
PRO
56
A
TRP
57
n
60
TRP
57
A
PRO
58
n
61
PRO
58
A
THR
59
n
62
THR
59
A
LEU
60
n
63
LEU
60
A
VAL
61
n
64
VAL
61
A
THR
62
n
65
THR
62
A
THR
63
n
66
THR
63
A
PHE
64
n
67
PHE
64
A
CRO
66
n
68
CRO
66
A
LEU
68
n
69
LEU
68
A
MET
69
n
70
MET
69
A
CYS
70
n
71
CYS
70
A
PHE
71
n
72
PHE
71
A
ALA
72
n
73
ALA
72
A
ARG
73
n
74
ARG
73
A
TYR
74
n
75
TYR
74
A
PRO
75
n
76
PRO
75
A
ASP
76
n
77
ASP
76
A
HIS
77
n
78
HIS
77
A
MET
78
n
79
MET
78
A
LYS
79
n
80
LYS
79
A
ARG
80
n
81
ARG
80
A
HIS
81
n
82
HIS
81
A
ASP
82
n
83
ASP
82
A
PHE
83
n
84
PHE
83
A
PHE
84
n
85
PHE
84
A
LYS
85
n
86
LYS
85
A
SER
86
n
87
SER
86
A
ALA
87
n
88
ALA
87
A
MET
88
n
89
MET
88
A
PRO
89
n
90
PRO
89
A
GLU
90
n
91
GLU
90
A
GLY
91
n
92
GLY
91
A
TYR
92
n
93
TYR
92
A
VAL
93
n
94
VAL
93
A
GLN
94
n
95
GLN
94
A
GLU
95
n
96
GLU
95
A
ARG
96
n
97
ARG
96
A
THR
97
n
98
THR
97
A
ILE
98
n
99
ILE
98
A
PHE
99
n
100
PHE
99
A
PHE
100
n
101
PHE
100
A
LYS
101
n
102
LYS
101
A
ASP
102
n
103
ASP
102
A
ASP
103
n
104
ASP
103
A
GLY
104
n
105
GLY
104
A
ASN
105
n
106
ASN
105
A
TYR
106
n
107
TYR
106
A
LYS
107
n
108
LYS
107
A
THR
108
n
109
THR
108
A
ARG
109
n
110
ARG
109
A
ALA
110
n
111
ALA
110
A
GLU
111
n
112
GLU
111
A
VAL
112
n
113
VAL
112
A
LYS
113
n
114
LYS
113
A
PHE
114
n
115
PHE
114
A
GLU
115
n
116
GLU
115
A
GLY
116
n
117
GLY
116
A
ASP
117
n
118
ASP
117
A
THR
118
n
119
THR
118
A
LEU
119
n
120
LEU
119
A
VAL
120
n
121
VAL
120
A
ASN
121
n
122
ASN
121
A
ARG
122
n
123
ARG
122
A
ILE
123
n
124
ILE
123
A
GLU
124
n
125
GLU
124
A
LEU
125
n
126
LEU
125
A
LYS
126
n
127
LYS
126
A
GLY
127
n
128
GLY
127
A
ILE
128
n
129
ILE
128
A
ASP
129
n
130
ASP
129
A
PHE
130
n
131
PHE
130
A
LYS
131
n
132
LYS
131
A
GLU
132
n
133
GLU
132
A
ASP
133
n
134
ASP
133
A
GLY
134
n
135
GLY
134
A
ASN
135
n
136
ASN
135
A
ILE
136
n
137
ILE
136
A
LEU
137
n
138
LEU
137
A
GLY
138
n
139
GLY
138
A
HIS
139
n
140
HIS
139
A
LYS
140
n
141
LYS
140
A
LEU
141
n
142
LEU
141
A
GLU
142
n
143
GLU
142
A
TYR
143
n
144
TYR
143
A
ASN
144
n
145
ASN
144
A
TYR
145
n
146
TYR
145
A
ASN
146
n
147
ASN
146
A
SER
147
n
148
SER
147
A
HIS
148
n
149
HIS
148
A
ASN
149
n
150
ASN
149
A
VAL
150
n
151
VAL
150
A
TYR
151
n
152
TYR
151
A
ILE
152
n
153
ILE
152
A
MET
153
n
154
MET
153
A
ALA
154
n
155
ALA
154
A
ASP
155
n
156
ASP
155
A
LYS
156
n
157
LYS
156
A
GLN
157
n
158
GLN
157
A
LYS
158
n
159
LYS
158
A
ASN
159
n
160
ASN
159
A
GLY
160
n
161
GLY
160
A
ILE
161
n
162
ILE
161
A
LYS
162
n
163
LYS
162
A
VAL
163
n
164
VAL
163
A
ASN
164
n
165
ASN
164
A
PHE
165
n
166
PHE
165
A
LYS
166
n
167
LYS
166
A
ILE
167
n
168
ILE
167
A
ARG
168
n
169
ARG
168
A
HIS
169
n
170
HIS
169
A
ASN
170
n
171
ASN
170
A
ILE
171
n
172
ILE
171
A
GLU
172
n
173
GLU
172
A
ASP
173
n
174
ASP
173
A
GLY
174
n
175
GLY
174
A
SER
175
n
176
SER
175
A
VAL
176
n
177
VAL
176
A
GLN
177
n
178
GLN
177
A
LEU
178
n
179
LEU
178
A
ALA
179
n
180
ALA
179
A
ASP
180
n
181
ASP
180
A
HIS
181
n
182
HIS
181
A
TYR
182
n
183
TYR
182
A
GLN
183
n
184
GLN
183
A
GLN
184
n
185
GLN
184
A
ASN
185
n
186
ASN
185
A
THR
186
n
187
THR
186
A
PRO
187
n
188
PRO
187
A
ILE
188
n
189
ILE
188
A
GLY
189
n
190
GLY
189
A
ASP
190
n
191
ASP
190
A
GLY
191
n
192
GLY
191
A
PRO
192
n
193
PRO
192
A
VAL
193
n
194
VAL
193
A
LEU
194
n
195
LEU
194
A
LEU
195
n
196
LEU
195
A
PRO
196
n
197
PRO
196
A
ASP
197
n
198
ASP
197
A
ASN
198
n
199
ASN
198
A
HIS
199
n
200
HIS
199
A
TYR
200
n
201
TYR
200
A
LEU
201
n
202
LEU
201
A
SER
202
n
203
SER
202
A
TYR
203
n
204
TYR
203
A
GLN
204
n
205
GLN
204
A
SER
205
n
206
SER
205
A
ALA
206
n
207
ALA
206
A
LEU
207
n
208
LEU
207
A
SER
208
n
209
SER
208
A
LYS
209
n
210
LYS
209
A
ASP
210
n
211
ASP
210
A
PRO
211
n
212
PRO
211
A
ASN
212
n
213
ASN
212
A
GLU
213
n
214
GLU
213
A
LYS
214
n
215
LYS
214
A
ARG
215
n
216
ARG
215
A
ASP
216
n
217
ASP
216
A
HIS
217
n
218
HIS
217
A
MET
218
n
219
MET
218
A
VAL
219
n
220
VAL
219
A
LEU
220
n
221
LEU
220
A
LEU
221
n
222
LEU
221
A
GLU
222
n
223
GLU
222
A
PHE
223
n
224
PHE
223
A
VAL
224
n
225
VAL
224
A
THR
225
n
226
THR
225
A
ALA
226
n
227
ALA
226
A
ALA
227
n
228
ALA
227
A
GLY
228
n
229
GLY
228
A
ILE
229
n
230
ILE
229
A
THR
230
n
231
THR
230
A
n
232
231
A
n
233
232
A
n
234
233
A
n
235
234
A
n
236
235
A
n
237
236
A
n
238
237
A
n
239
238
A
author_defined_assembly
1
monomeric
A
CRO
66
A
CRO
68
GLY
A
CRO
66
A
CRO
68
TYR
A
CRO
66
A
CRO
68
GLY
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
VAL
22
A
N
VAL
25
A
O
HIS
25
A
O
HIS
28
A
N
ASP
36
A
N
ASP
39
A
O
LYS
41
A
O
LYS
44
A
N
PHE
46
A
N
PHE
49
A
O
MET
218
A
O
MET
219
A
N
ALA
227
A
N
ALA
228
A
O
TYR
200
A
O
TYR
201
A
N
TYR
203
A
N
TYR
204
A
O
HIS
148
A
O
HIS
149
A
N
ASP
155
A
N
ASP
156
A
O
GLY
160
A
O
GLY
161
A
O
HIS
169
A
O
HIS
170
A
N
GLN
177
A
N
GLN
178
A
O
THR
186
A
O
THR
187
A
N
VAL
93
A
N
VAL
94
A
N
ILE
98
A
N
ILE
99
A
O
TYR
106
A
O
TYR
107
A
N
GLU
115
A
N
GLU
116
A
O
THR
118
A
O
THR
119
A
N
LEU
119
A
N
LEU
120
A
O
PRO
13
A
O
PRO
16
1
A
CB1
CRO
66
A
CB1
CRO
68
1
Y
1
A
CG1
CRO
66
A
CG1
CRO
68
1
Y
1
A
OG1
CRO
66
A
OG1
CRO
68
1
Y
1
A
HIS
231
A
HIS
232
1
Y
1
A
GLY
232
A
GLY
233
1
Y
1
A
MET
233
A
MET
234
1
Y
1
A
ASP
234
A
ASP
235
1
Y
1
A
GLU
235
A
GLU
236
1
Y
1
A
LEU
236
A
LEU
237
1
Y
1
A
TYR
237
A
TYR
238
1
Y
1
A
LYS
238
A
LYS
239
1
Y
1
A
LYS
3
-60.05
-72.10
PROTEIN_REP.PARAM
PROTEIN.TOP
DNA-RNA_REP.PARAM
DNA-RNA.TOP
WATER_REP.PARAM
WATER.TOP
ION.PARAM
ION.TOP
CRO.PARAM
CRO.TOP
28.2
-3.19
.00
.00
-.36
.00
3.55
0.208
0.006
0.164
0.164
0.164
2.20
28.30
1240
12153
11971
10.4
98.4
RANDOM
1263802.30
0.00000
1
RESTRAINED
THROUGHOUT
00
0
MOLECULAR REPLACEMENT
PDB ENTRY 2YFP
Engh & Huber
FLAT MODEL
32.57
.3133
.26
.20
5.00
.19
.13
2.20
28.30
97
1949
0
0
1852
0.009
1.3
26.5
0.84
1.47
1.50
2.30
2.00
2.58
2.00
3.92
2.50
0.26
0.022
0.195
2.28
138
1018
1156
10
11.9
97.7
14.4
2.2
50
1HUY
12193
12106
0
0
0.055
1
32.6
4.8
99.3
0.144
2.2
2.28
10.3
1181
4.0
99.7
data collection
MAR345
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
CRYSTAL STRUCTURE OF CITRINE, AN IMPROVED YELLOW VARIANT OF GREEN FLUORESCENT PROTEIN
1
N
N
2
N
N
A
ASP
-1
A
ASP
1
HELX_P
A
PHE
8
A
PHE
11
1
1
11
A
PRO
56
A
PRO
59
HELX_P
A
VAL
61
A
VAL
64
5
2
6
A
LEU
68
A
LEU
69
HELX_P
A
ALA
72
A
ALA
73
5
3
5
A
PRO
75
A
PRO
76
HELX_P
A
HIS
81
A
HIS
82
5
4
7
A
ASP
82
A
ASP
83
HELX_P
A
ALA
87
A
ALA
88
1
5
6
A
LYS
156
A
LYS
157
HELX_P
A
ASN
159
A
ASN
160
5
6
4
covale
1.332
both
A
PHE
64
A
C
PHE
67
1_555
A
CRO
66
A
N1
CRO
68
1_555
covale
1.319
both
A
CRO
66
A
C3
CRO
68
1_555
A
LEU
68
A
N
LEU
69
1_555
LUMINESCENT PROTEIN
beta barrel, chromophore, LUMINESCENT PROTEIN
A
MET
88
A
MET
89
1
A
PRO
89
A
PRO
90
0.27
GFP_AEQVI
UNP
1
1
P42212
MSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFSYGVQCFSRYPDHMKQ
HDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNG
IKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELYK
1
238
1HUY
1
238
P42212
A
1
3
239
1
SEE REMARK 999
ASP
-1
1HUY
A
P42212
UNP
1
1
SEE REMARK 999
PRO
0
1HUY
A
P42212
UNP
2
1
SEE REMARK 999
VAL
1
1HUY
A
A
P42212
UNP
4
1
SER
chromophore
CRO
66
1HUY
A
P42212
UNP
65
68
1
TYR
chromophore
CRO
66
1HUY
A
P42212
UNP
66
68
1
GLY
chromophore
CRO
66
1HUY
A
P42212
UNP
67
68
1
VAL
engineered mutation
LEU
68
1HUY
A
P42212
UNP
68
69
1
GLN
engineered mutation
MET
69
1HUY
A
P42212
UNP
69
70
1
SER
engineered mutation
ALA
72
1HUY
A
P42212
UNP
72
73
1
GLN
cloning artifact
ARG
80
1HUY
A
P42212
UNP
80
81
1
THR
engineered mutation
TYR
203
1HUY
A
P42212
UNP
203
204
12
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
A
VAL
12
A
VAL
15
A
VAL
22
A
VAL
25
A
HIS
25
A
HIS
28
A
ASP
36
A
ASP
39
A
LYS
41
A
LYS
44
A
CYS
48
A
CYS
51
A
HIS
217
A
HIS
218
A
ALA
227
A
ALA
228
A
HIS
199
A
HIS
200
A
SER
208
A
SER
209
A
HIS
148
A
HIS
149
A
ASP
155
A
ASP
156
A
GLY
160
A
GLY
161
A
ASN
170
A
ASN
171
A
VAL
176
A
VAL
177
A
PRO
187
A
PRO
188
A
TYR
92
A
TYR
93
A
PHE
100
A
PHE
101
A
ASN
105
A
ASN
106
A
GLU
115
A
GLU
116
A
THR
118
A
THR
119
A
ILE
128
A
ILE
129
A
VAL
12
A
VAL
15
A
VAL
22
A
VAL
25
19
P 21 21 21