0.007545
0.004356
0.000000
0.000000
0.008713
0.000000
0.000000
0.000000
0.012083
0.000000
0.000000
0.000000
Le Trong, I.
Korotkova, N.
Moseley, S.L.
Stenkamp, R.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
18
90.000
90.000
120.000
132.531
132.531
82.762
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
Cl -1
35.453
CHLORIDE ION
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
C3 H8 O3
92.094
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
non-polymer
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
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
CL
N
75
N
N
N
76
S
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
C
N
81
N
C
N
82
N
O
N
83
N
N
N
84
N
O
N
85
N
H
N
86
N
H
N
87
N
H
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
N
N
96
S
C
N
97
N
C
N
98
N
O
N
99
N
C
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
O
N
104
N
O
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
N
C
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
C
N
125
N
O
N
126
N
C
N
127
N
O
N
128
N
C
N
129
N
O
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
Y
143
N
C
Y
144
N
N
Y
145
N
C
Y
146
N
C
Y
147
N
N
N
148
N
O
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
O
N
160
N
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
S
C
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
O
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
O
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
N
N
215
N
O
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
N
N
232
S
C
N
233
N
C
N
234
N
O
N
235
N
C
Y
236
N
C
Y
237
N
C
Y
238
N
C
Y
239
N
C
Y
240
N
C
Y
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
N
259
N
C
N
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
N
N
272
S
C
N
273
N
C
N
274
N
O
N
275
N
C
N
276
N
O
N
277
N
O
N
278
N
H
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
N
N
286
S
C
N
287
N
C
N
288
N
O
N
289
R
C
N
290
N
O
N
291
N
C
N
292
N
O
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
H
N
301
N
H
N
302
N
N
N
303
S
C
N
304
N
C
N
305
N
O
N
306
N
C
Y
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
N
Y
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
N
316
N
O
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
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
N
N
330
S
C
N
331
N
C
N
332
N
O
N
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
N
340
N
O
N
341
N
O
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
H
N
353
N
N
N
354
S
C
N
355
N
C
N
356
N
O
N
357
N
C
N
358
N
C
N
359
N
C
N
360
N
O
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
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
sing
N
94
N
sing
N
95
N
doub
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
doub
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
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
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
Y
229
N
doub
Y
230
N
sing
Y
231
N
sing
N
232
N
sing
Y
233
N
doub
N
234
N
sing
Y
235
N
doub
N
236
N
sing
Y
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
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
doub
N
265
N
sing
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
doub
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
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
Y
298
N
doub
Y
299
N
sing
Y
300
N
sing
N
301
N
sing
Y
302
N
doub
Y
303
N
sing
Y
304
N
sing
N
305
N
sing
Y
306
N
sing
Y
307
N
doub
N
308
N
sing
Y
309
N
doub
N
310
N
sing
Y
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
doub
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
Y
326
N
doub
Y
327
N
sing
Y
328
N
sing
N
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
sing
N
345
N
doub
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
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
UK
Mol.Microbiol.
MOMIEE
2007
0950-382X
67
420
434
10.1111/j.1365-2958.2007.06054.x
18086185
Binding of Dr adhesins of Escherichia coli to carcinoembryonic antigen triggers receptor dissociation.
2008
10.2210/pdb2qsq/pdb
pdb_00002qsq
100
1
CCD
2006-04-15
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.00
1.0
5.0.1
ALS
1.00
SYNCHROTRON
ALS BEAMLINE 5.0.1
12430.989
Carcinoembryonic antigen-related cell adhesion molecule 5
N-terminal domain of CEA (UNP residues 34-110)
2
man
polymer
35.453
CHLORIDE ION
2
syn
non-polymer
92.094
GLYCEROL
4
syn
non-polymer
18.015
water
193
nat
water
Carcinoembryonic antigen, CEA, Meconium antigen 100, CD66e antigen
no
no
AKLTIESTPFNVAEGKEVLLLVHNLPQHLFGYSWYKGERVDGNRQIIGYVIGTQQATPGPAYSGREIIYPNASLLIQNII
QNDAGFYTLHVIKSDLVNEEATGQFRVYPEL
AKLTIESTPFNVAEGKEVLLLVHNLPQHLFGYSWYKGERVDGNRQIIGYVIGTQQATPGPAYSGREIIYPNASLLIQNII
QNDAGFYTLHVIKSDLVNEEATGQFRVYPEL
A,B
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
human
Homo
Escherichia
Escherichia coli
sample
CEACAM5, CEA
9606
Homo sapiens
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pET-21d
1
5.63
78.14
VAPOR DIFFUSION
7.0
3.0 M NaCl, 100 mM Tris-HCl pH 7.0, temperature 277K, VAPOR DIFFUSION
277
software
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Non-polymer description
Version format compliance
Refinement description
Data collection
Database references
Derived calculations
1
0
2008-01-01
1
1
2011-07-13
1
2
2017-10-25
1
3
2024-02-21
_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
Structure of the V39C mutant of the N-terminal domain
of carcinoembryonic antigen (CEA)
Sequence
The sequence was obtained from human cDNA
and the authors confirmed that ALA is the
correct sequence. However, the authors do
not know if it is a mutation introduced by
PCR or whether it is an SNP that results in
the different amino acid.
RCSB
Y
RCSB
2007-07-31
REL
REL
CL
CHLORIDE ION
GOL
GLYCEROL
HOH
water
CL
502
2
CL
CL
502
A
GOL
202
3
GOL
GOL
202
A
GOL
203
3
GOL
GOL
203
A
GOL
204
3
GOL
GOL
204
A
GOL
201
3
GOL
GOL
201
B
CL
501
2
CL
CL
501
B
HOH
304
4
HOH
HOH
304
A
HOH
305
4
HOH
HOH
305
A
HOH
306
4
HOH
HOH
306
A
HOH
307
4
HOH
HOH
307
A
HOH
311
4
HOH
HOH
311
A
HOH
313
4
HOH
HOH
313
A
HOH
314
4
HOH
HOH
314
A
HOH
315
4
HOH
HOH
315
A
HOH
316
4
HOH
HOH
316
A
HOH
317
4
HOH
HOH
317
A
HOH
324
4
HOH
HOH
324
A
HOH
325
4
HOH
HOH
325
A
HOH
326
4
HOH
HOH
326
A
HOH
327
4
HOH
HOH
327
A
HOH
331
4
HOH
HOH
331
A
HOH
332
4
HOH
HOH
332
A
HOH
333
4
HOH
HOH
333
A
HOH
334
4
HOH
HOH
334
A
HOH
335
4
HOH
HOH
335
A
HOH
336
4
HOH
HOH
336
A
HOH
337
4
HOH
HOH
337
A
HOH
338
4
HOH
HOH
338
A
HOH
350
4
HOH
HOH
350
A
HOH
351
4
HOH
HOH
351
A
HOH
352
4
HOH
HOH
352
A
HOH
353
4
HOH
HOH
353
A
HOH
356
4
HOH
HOH
356
A
HOH
357
4
HOH
HOH
357
A
HOH
358
4
HOH
HOH
358
A
HOH
361
4
HOH
HOH
361
A
HOH
362
4
HOH
HOH
362
A
HOH
363
4
HOH
HOH
363
A
HOH
364
4
HOH
HOH
364
A
HOH
365
4
HOH
HOH
365
A
HOH
366
4
HOH
HOH
366
A
HOH
373
4
HOH
HOH
373
A
HOH
374
4
HOH
HOH
374
A
HOH
375
4
HOH
HOH
375
A
HOH
377
4
HOH
HOH
377
A
HOH
378
4
HOH
HOH
378
A
HOH
382
4
HOH
HOH
382
A
HOH
383
4
HOH
HOH
383
A
HOH
384
4
HOH
HOH
384
A
HOH
385
4
HOH
HOH
385
A
HOH
387
4
HOH
HOH
387
A
HOH
388
4
HOH
HOH
388
A
HOH
389
4
HOH
HOH
389
A
HOH
390
4
HOH
HOH
390
A
HOH
391
4
HOH
HOH
391
A
HOH
392
4
HOH
HOH
392
A
HOH
394
4
HOH
HOH
394
A
HOH
396
4
HOH
HOH
396
A
HOH
397
4
HOH
HOH
397
A
HOH
400
4
HOH
HOH
400
A
HOH
402
4
HOH
HOH
402
A
HOH
403
4
HOH
HOH
403
A
HOH
404
4
HOH
HOH
404
A
HOH
405
4
HOH
HOH
405
A
HOH
406
4
HOH
HOH
406
A
HOH
407
4
HOH
HOH
407
A
HOH
414
4
HOH
HOH
414
A
HOH
415
4
HOH
HOH
415
A
HOH
416
4
HOH
HOH
416
A
HOH
417
4
HOH
HOH
417
A
HOH
418
4
HOH
HOH
418
A
HOH
419
4
HOH
HOH
419
A
HOH
423
4
HOH
HOH
423
A
HOH
424
4
HOH
HOH
424
A
HOH
428
4
HOH
HOH
428
A
HOH
429
4
HOH
HOH
429
A
HOH
430
4
HOH
HOH
430
A
HOH
431
4
HOH
HOH
431
A
HOH
432
4
HOH
HOH
432
A
HOH
433
4
HOH
HOH
433
A
HOH
434
4
HOH
HOH
434
A
HOH
435
4
HOH
HOH
435
A
HOH
439
4
HOH
HOH
439
A
HOH
440
4
HOH
HOH
440
A
HOH
441
4
HOH
HOH
441
A
HOH
442
4
HOH
HOH
442
A
HOH
443
4
HOH
HOH
443
A
HOH
444
4
HOH
HOH
444
A
HOH
445
4
HOH
HOH
445
A
HOH
453
4
HOH
HOH
453
A
HOH
454
4
HOH
HOH
454
A
HOH
455
4
HOH
HOH
455
A
HOH
456
4
HOH
HOH
456
A
HOH
457
4
HOH
HOH
457
A
HOH
458
4
HOH
HOH
458
A
HOH
459
4
HOH
HOH
459
A
HOH
460
4
HOH
HOH
460
A
HOH
461
4
HOH
HOH
461
A
HOH
462
4
HOH
HOH
462
A
HOH
463
4
HOH
HOH
463
A
HOH
466
4
HOH
HOH
466
A
HOH
469
4
HOH
HOH
469
A
HOH
473
4
HOH
HOH
473
A
HOH
481
4
HOH
HOH
481
A
HOH
482
4
HOH
HOH
482
A
HOH
491
4
HOH
HOH
491
A
HOH
492
4
HOH
HOH
492
A
HOH
493
4
HOH
HOH
493
A
HOH
301
4
HOH
HOH
301
B
HOH
302
4
HOH
HOH
302
B
HOH
303
4
HOH
HOH
303
B
HOH
308
4
HOH
HOH
308
B
HOH
309
4
HOH
HOH
309
B
HOH
310
4
HOH
HOH
310
B
HOH
312
4
HOH
HOH
312
B
HOH
318
4
HOH
HOH
318
B
HOH
319
4
HOH
HOH
319
B
HOH
320
4
HOH
HOH
320
B
HOH
321
4
HOH
HOH
321
B
HOH
322
4
HOH
HOH
322
B
HOH
323
4
HOH
HOH
323
B
HOH
328
4
HOH
HOH
328
B
HOH
329
4
HOH
HOH
329
B
HOH
330
4
HOH
HOH
330
B
HOH
339
4
HOH
HOH
339
B
HOH
340
4
HOH
HOH
340
B
HOH
341
4
HOH
HOH
341
B
HOH
342
4
HOH
HOH
342
B
HOH
343
4
HOH
HOH
343
B
HOH
344
4
HOH
HOH
344
B
HOH
345
4
HOH
HOH
345
B
HOH
346
4
HOH
HOH
346
B
HOH
347
4
HOH
HOH
347
B
HOH
348
4
HOH
HOH
348
B
HOH
349
4
HOH
HOH
349
B
HOH
354
4
HOH
HOH
354
B
HOH
355
4
HOH
HOH
355
B
HOH
359
4
HOH
HOH
359
B
HOH
360
4
HOH
HOH
360
B
HOH
367
4
HOH
HOH
367
B
HOH
368
4
HOH
HOH
368
B
HOH
369
4
HOH
HOH
369
B
HOH
370
4
HOH
HOH
370
B
HOH
371
4
HOH
HOH
371
B
HOH
372
4
HOH
HOH
372
B
HOH
376
4
HOH
HOH
376
B
HOH
379
4
HOH
HOH
379
B
HOH
380
4
HOH
HOH
380
B
HOH
381
4
HOH
HOH
381
B
HOH
386
4
HOH
HOH
386
B
HOH
393
4
HOH
HOH
393
B
HOH
395
4
HOH
HOH
395
B
HOH
398
4
HOH
HOH
398
B
HOH
399
4
HOH
HOH
399
B
HOH
401
4
HOH
HOH
401
B
HOH
408
4
HOH
HOH
408
B
HOH
409
4
HOH
HOH
409
B
HOH
410
4
HOH
HOH
410
B
HOH
411
4
HOH
HOH
411
B
HOH
412
4
HOH
HOH
412
B
HOH
413
4
HOH
HOH
413
B
HOH
420
4
HOH
HOH
420
B
HOH
421
4
HOH
HOH
421
B
HOH
422
4
HOH
HOH
422
B
HOH
425
4
HOH
HOH
425
B
HOH
426
4
HOH
HOH
426
B
HOH
427
4
HOH
HOH
427
B
HOH
436
4
HOH
HOH
436
B
HOH
437
4
HOH
HOH
437
B
HOH
438
4
HOH
HOH
438
B
HOH
446
4
HOH
HOH
446
B
HOH
447
4
HOH
HOH
447
B
HOH
448
4
HOH
HOH
448
B
HOH
449
4
HOH
HOH
449
B
HOH
450
4
HOH
HOH
450
B
HOH
451
4
HOH
HOH
451
B
HOH
452
4
HOH
HOH
452
B
HOH
464
4
HOH
HOH
464
B
HOH
465
4
HOH
HOH
465
B
HOH
467
4
HOH
HOH
467
B
HOH
468
4
HOH
HOH
468
B
HOH
470
4
HOH
HOH
470
B
HOH
471
4
HOH
HOH
471
B
HOH
472
4
HOH
HOH
472
B
HOH
474
4
HOH
HOH
474
B
HOH
475
4
HOH
HOH
475
B
HOH
476
4
HOH
HOH
476
B
HOH
477
4
HOH
HOH
477
B
HOH
478
4
HOH
HOH
478
B
HOH
479
4
HOH
HOH
479
B
HOH
480
4
HOH
HOH
480
B
HOH
483
4
HOH
HOH
483
B
HOH
484
4
HOH
HOH
484
B
HOH
485
4
HOH
HOH
485
B
HOH
486
4
HOH
HOH
486
B
HOH
487
4
HOH
HOH
487
B
HOH
488
4
HOH
HOH
488
B
HOH
489
4
HOH
HOH
489
B
HOH
490
4
HOH
HOH
490
B
ALA
0
n
1
ALA
0
A
LYS
1
n
2
LYS
1
A
LEU
2
n
3
LEU
2
A
THR
3
n
4
THR
3
A
ILE
4
n
5
ILE
4
A
GLU
5
n
6
GLU
5
A
SER
6
n
7
SER
6
A
THR
7
n
8
THR
7
A
PRO
8
n
9
PRO
8
A
PHE
9
n
10
PHE
9
A
ASN
10
n
11
ASN
10
A
VAL
11
n
12
VAL
11
A
ALA
12
n
13
ALA
12
A
GLU
13
n
14
GLU
13
A
GLY
14
n
15
GLY
14
A
LYS
15
n
16
LYS
15
A
GLU
16
n
17
GLU
16
A
VAL
17
n
18
VAL
17
A
LEU
18
n
19
LEU
18
A
LEU
19
n
20
LEU
19
A
LEU
20
n
21
LEU
20
A
VAL
21
n
22
VAL
21
A
HIS
22
n
23
HIS
22
A
ASN
23
n
24
ASN
23
A
LEU
24
n
25
LEU
24
A
PRO
25
n
26
PRO
25
A
GLN
26
n
27
GLN
26
A
HIS
27
n
28
HIS
27
A
LEU
28
n
29
LEU
28
A
PHE
29
n
30
PHE
29
A
GLY
30
n
31
GLY
30
A
TYR
31
n
32
TYR
31
A
SER
32
n
33
SER
32
A
TRP
33
n
34
TRP
33
A
TYR
34
n
35
TYR
34
A
LYS
35
n
36
LYS
35
A
GLY
36
n
37
GLY
36
A
GLU
37
n
38
GLU
37
A
ARG
38
n
39
ARG
38
A
VAL
39
n
40
VAL
39
A
ASP
40
n
41
ASP
40
A
GLY
41
n
42
GLY
41
A
ASN
42
n
43
ASN
42
A
ARG
43
n
44
ARG
43
A
GLN
44
n
45
GLN
44
A
ILE
45
n
46
ILE
45
A
ILE
46
n
47
ILE
46
A
GLY
47
n
48
GLY
47
A
TYR
48
n
49
TYR
48
A
VAL
49
n
50
VAL
49
A
ILE
50
n
51
ILE
50
A
GLY
51
n
52
GLY
51
A
THR
52
n
53
THR
52
A
GLN
53
n
54
GLN
53
A
GLN
54
n
55
GLN
54
A
ALA
55
n
56
ALA
55
A
THR
56
n
57
THR
56
A
PRO
57
n
58
PRO
57
A
GLY
58
n
59
GLY
58
A
PRO
59
n
60
PRO
59
A
ALA
60
n
61
ALA
60
A
TYR
61
n
62
TYR
61
A
SER
62
n
63
SER
62
A
GLY
63
n
64
GLY
63
A
ARG
64
n
65
ARG
64
A
GLU
65
n
66
GLU
65
A
ILE
66
n
67
ILE
66
A
ILE
67
n
68
ILE
67
A
TYR
68
n
69
TYR
68
A
PRO
69
n
70
PRO
69
A
ASN
70
n
71
ASN
70
A
ALA
71
n
72
ALA
71
A
SER
72
n
73
SER
72
A
LEU
73
n
74
LEU
73
A
LEU
74
n
75
LEU
74
A
ILE
75
n
76
ILE
75
A
GLN
76
n
77
GLN
76
A
ASN
77
n
78
ASN
77
A
ILE
78
n
79
ILE
78
A
ILE
79
n
80
ILE
79
A
GLN
80
n
81
GLN
80
A
ASN
81
n
82
ASN
81
A
ASP
82
n
83
ASP
82
A
ALA
83
n
84
ALA
83
A
GLY
84
n
85
GLY
84
A
PHE
85
n
86
PHE
85
A
TYR
86
n
87
TYR
86
A
THR
87
n
88
THR
87
A
LEU
88
n
89
LEU
88
A
HIS
89
n
90
HIS
89
A
VAL
90
n
91
VAL
90
A
ILE
91
n
92
ILE
91
A
LYS
92
n
93
LYS
92
A
SER
93
n
94
SER
93
A
ASP
94
n
95
ASP
94
A
LEU
95
n
96
LEU
95
A
VAL
96
n
97
VAL
96
A
ASN
97
n
98
ASN
97
A
GLU
98
n
99
GLU
98
A
GLU
99
n
100
GLU
99
A
ALA
100
n
101
ALA
100
A
THR
101
n
102
THR
101
A
GLY
102
n
103
GLY
102
A
GLN
103
n
104
GLN
103
A
PHE
104
n
105
PHE
104
A
ARG
105
n
106
ARG
105
A
VAL
106
n
107
VAL
106
A
TYR
107
n
108
TYR
107
A
PRO
108
n
109
PRO
108
A
GLU
109
n
110
GLU
109
A
LEU
110
n
111
LEU
110
A
ALA
0
n
1
ALA
0
B
LYS
1
n
2
LYS
1
B
LEU
2
n
3
LEU
2
B
THR
3
n
4
THR
3
B
ILE
4
n
5
ILE
4
B
GLU
5
n
6
GLU
5
B
SER
6
n
7
SER
6
B
THR
7
n
8
THR
7
B
PRO
8
n
9
PRO
8
B
PHE
9
n
10
PHE
9
B
ASN
10
n
11
ASN
10
B
VAL
11
n
12
VAL
11
B
ALA
12
n
13
ALA
12
B
GLU
13
n
14
GLU
13
B
GLY
14
n
15
GLY
14
B
LYS
15
n
16
LYS
15
B
GLU
16
n
17
GLU
16
B
VAL
17
n
18
VAL
17
B
LEU
18
n
19
LEU
18
B
LEU
19
n
20
LEU
19
B
LEU
20
n
21
LEU
20
B
VAL
21
n
22
VAL
21
B
HIS
22
n
23
HIS
22
B
ASN
23
n
24
ASN
23
B
LEU
24
n
25
LEU
24
B
PRO
25
n
26
PRO
25
B
GLN
26
n
27
GLN
26
B
HIS
27
n
28
HIS
27
B
LEU
28
n
29
LEU
28
B
PHE
29
n
30
PHE
29
B
GLY
30
n
31
GLY
30
B
TYR
31
n
32
TYR
31
B
SER
32
n
33
SER
32
B
TRP
33
n
34
TRP
33
B
TYR
34
n
35
TYR
34
B
LYS
35
n
36
LYS
35
B
GLY
36
n
37
GLY
36
B
GLU
37
n
38
GLU
37
B
ARG
38
n
39
ARG
38
B
VAL
39
n
40
VAL
39
B
ASP
40
n
41
ASP
40
B
GLY
41
n
42
GLY
41
B
ASN
42
n
43
ASN
42
B
ARG
43
n
44
ARG
43
B
GLN
44
n
45
GLN
44
B
ILE
45
n
46
ILE
45
B
ILE
46
n
47
ILE
46
B
GLY
47
n
48
GLY
47
B
TYR
48
n
49
TYR
48
B
VAL
49
n
50
VAL
49
B
ILE
50
n
51
ILE
50
B
GLY
51
n
52
GLY
51
B
THR
52
n
53
THR
52
B
GLN
53
n
54
GLN
53
B
GLN
54
n
55
GLN
54
B
ALA
55
n
56
ALA
55
B
THR
56
n
57
THR
56
B
PRO
57
n
58
PRO
57
B
GLY
58
n
59
GLY
58
B
PRO
59
n
60
PRO
59
B
ALA
60
n
61
ALA
60
B
TYR
61
n
62
TYR
61
B
SER
62
n
63
SER
62
B
GLY
63
n
64
GLY
63
B
ARG
64
n
65
ARG
64
B
GLU
65
n
66
GLU
65
B
ILE
66
n
67
ILE
66
B
ILE
67
n
68
ILE
67
B
TYR
68
n
69
TYR
68
B
PRO
69
n
70
PRO
69
B
ASN
70
n
71
ASN
70
B
ALA
71
n
72
ALA
71
B
SER
72
n
73
SER
72
B
LEU
73
n
74
LEU
73
B
LEU
74
n
75
LEU
74
B
ILE
75
n
76
ILE
75
B
GLN
76
n
77
GLN
76
B
ASN
77
n
78
ASN
77
B
ILE
78
n
79
ILE
78
B
ILE
79
n
80
ILE
79
B
GLN
80
n
81
GLN
80
B
ASN
81
n
82
ASN
81
B
ASP
82
n
83
ASP
82
B
ALA
83
n
84
ALA
83
B
GLY
84
n
85
GLY
84
B
PHE
85
n
86
PHE
85
B
TYR
86
n
87
TYR
86
B
THR
87
n
88
THR
87
B
LEU
88
n
89
LEU
88
B
HIS
89
n
90
HIS
89
B
VAL
90
n
91
VAL
90
B
ILE
91
n
92
ILE
91
B
LYS
92
n
93
LYS
92
B
SER
93
n
94
SER
93
B
ASP
94
n
95
ASP
94
B
LEU
95
n
96
LEU
95
B
VAL
96
n
97
VAL
96
B
ASN
97
n
98
ASN
97
B
GLU
98
n
99
GLU
98
B
GLU
99
n
100
GLU
99
B
ALA
100
n
101
ALA
100
B
THR
101
n
102
THR
101
B
GLY
102
n
103
GLY
102
B
GLN
103
n
104
GLN
103
B
PHE
104
n
105
PHE
104
B
ARG
105
n
106
ARG
105
B
VAL
106
n
107
VAL
106
B
TYR
107
n
108
TYR
107
B
PRO
108
n
109
PRO
108
B
n
110
109
B
n
111
110
B
author_and_software_defined_assembly
PISA
2
dimeric
2610
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
THR
3
A
N
THR
4
A
O
HIS
22
A
O
HIS
23
A
N
LEU
19
A
N
LEU
20
A
O
LEU
73
A
O
LEU
74
A
O
LEU
74
A
O
LEU
75
A
N
ILE
66
A
N
ILE
67
A
N
VAL
11
A
N
VAL
12
A
O
ARG
105
A
O
ARG
106
A
O
GLU
98
A
O
GLU
99
A
N
VAL
90
A
N
VAL
91
A
O
ILE
91
A
O
ILE
92
A
N
PHE
29
A
N
PHE
30
A
N
TYR
31
A
N
TYR
32
A
O
TYR
48
A
O
TYR
49
A
N
GLY
47
A
N
GLY
48
A
O
THR
56
A
O
THR
57
B
N
THR
3
B
N
THR
4
B
O
HIS
22
B
O
HIS
23
B
N
LEU
19
B
N
LEU
20
B
O
LEU
73
B
O
LEU
74
B
O
LEU
74
B
O
LEU
75
B
N
ILE
66
B
N
ILE
67
B
N
VAL
11
B
N
VAL
12
B
O
ARG
105
B
O
ARG
106
B
O
GLU
98
B
O
GLU
99
B
N
VAL
90
B
N
VAL
91
B
O
ILE
91
B
O
ILE
92
B
N
PHE
29
B
N
PHE
30
B
N
TRP
33
B
N
TRP
34
B
O
ILE
45
B
O
ILE
46
B
N
GLY
47
B
N
GLY
48
B
O
THR
56
B
O
THR
57
1
B
GLU
109
B
GLU
110
1
Y
1
B
LEU
110
B
LEU
111
1
Y
1
B
B
NH1
O
ARG
HOH
38
422
2.08
B
1
A
ALA
71
84.23
-7.34
1
A
LEU
95
59.60
18.84
1
B
HIS
27
67.65
73.83
1
B
ALA
71
82.48
-7.98
41.014
-0.300
-0.150
0.000
-0.300
0.000
0.460
0.969
0.962
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
0.203
0.180
0.181
0.181
1.95
10.00
1936
38432
38432
5.000
97.970
2.600
0.073
RANDOM
1
THROUGHOUT
0.00
0
0.096
0.096
0.800
0.800
1.400
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
1.95
10.00
193
1962
26
0
1743
0.013
0.022
1888
1.340
1.960
2559
6.215
5.000
220
36.758
24.752
101
14.568
15.000
320
18.371
15.000
11
0.102
0.200
276
0.005
0.020
1447
0.202
0.200
786
0.309
0.200
1277
0.157
0.200
182
0.209
0.200
76
0.257
0.200
15
0.834
1.500
1146
1.396
2.000
1797
1.925
3.000
863
2.902
4.500
762
0.324
0.288
1.999
123
2214
2337
3283
20
82.640
1.95
50.
2QSQ
38912
38912
0
0
0.094
1
15.
4.4
97.8
0.802
1.95
2.02
1.
3283
1
2.5
83.4
refinement
Murshudov, G.N.
ccp4@dl.ac.uk
Fortran_77
http://www.ccp4.ac.uk/main.html
REFMAC
program
data extraction
PDB
sw-help@rcsb.rutgers.edu
July 2, 2007
C++
http://pdb.rutgers.edu/software/
PDB_EXTRACT
package
3.000
data collection
ADSC
Quantum
data reduction
DENZO
data scaling
SCALEPACK
data scaling
HKL-2000
phasing
MOLREP
Crystal structure of the N-terminal domain of carcinoembryonic antigen (CEA)
1
N
N
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
2
N
N
4
N
N
4
N
N
A
ASP
40
A
ASP
41
HELX_P
A
ASN
42
A
ASN
43
5
1
3
A
ILE
79
A
ILE
80
HELX_P
A
ALA
83
A
ALA
84
5
2
5
B
ASP
40
B
ASP
41
HELX_P
B
ASN
42
B
ASN
43
5
3
3
B
ILE
79
B
ILE
80
HELX_P
B
ALA
83
B
ALA
84
5
4
5
CELL ADHESION
cell adhesion, Glycoprotein, GPI-anchor, Immunoglobulin domain, Lipoprotein, Membrane
A
THR
7
A
THR
8
1
A
PRO
8
A
PRO
9
-3.36
B
THR
7
B
THR
8
1
B
PRO
8
B
PRO
9
-4.85
CEAM5_HUMAN
UNP
1
34
P06731
AKLTIESTPFNVAEGKEVLLLVHNLPQHLFGYSWYKGERVDGNRQIIGYVIGTQQATPGPAYSGREIIYPNASLLIQNII
QNDTGFYTLHVIKSDLVNEEATGQFRVYPEL
34
144
2QSQ
0
110
P06731
A
1
1
111
34
144
2QSQ
0
110
P06731
B
1
1
111
1
THR
SEE REMARK 999
ALA
83
2QSQ
A
P06731
UNP
117
84
2
THR
SEE REMARK 999
ALA
83
2QSQ
B
P06731
UNP
117
84
4
6
4
6
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
3
A
THR
4
A
THR
7
A
THR
8
A
VAL
17
A
VAL
18
A
HIS
22
A
HIS
23
A
LEU
73
A
LEU
74
A
ILE
75
A
ILE
76
A
GLU
65
A
GLU
66
A
ILE
67
A
ILE
68
A
ASN
10
A
ASN
11
A
ALA
12
A
ALA
13
A
GLU
98
A
GLU
99
A
TYR
107
A
TYR
108
A
GLY
84
A
GLY
85
A
LYS
92
A
LYS
93
A
LEU
28
A
LEU
29
A
LYS
35
A
LYS
36
A
GLN
44
A
GLN
45
A
VAL
49
A
VAL
50
A
GLN
54
A
GLN
55
A
PRO
57
A
PRO
58
B
THR
3
B
THR
4
B
THR
7
B
THR
8
B
VAL
17
B
VAL
18
B
HIS
22
B
HIS
23
B
LEU
73
B
LEU
74
B
ILE
75
B
ILE
76
B
GLU
65
B
GLU
66
B
ILE
67
B
ILE
68
B
ASN
10
B
ASN
11
B
ALA
12
B
ALA
13
B
GLU
98
B
GLU
99
B
TYR
107
B
TYR
108
B
GLY
84
B
GLY
85
B
LYS
92
B
LYS
93
B
LEU
28
B
LEU
29
B
LYS
35
B
LYS
36
B
GLN
44
B
GLN
45
B
VAL
49
B
VAL
50
B
THR
56
B
THR
57
B
PRO
57
B
PRO
58
BINDING SITE FOR RESIDUE GOL B 201
B
GOL
201
Software
6
BINDING SITE FOR RESIDUE CL A 502
A
CL
502
Software
3
BINDING SITE FOR RESIDUE GOL A 202
A
GOL
202
Software
7
BINDING SITE FOR RESIDUE CL B 501
B
CL
501
Software
2
BINDING SITE FOR RESIDUE GOL A 203
A
GOL
203
Software
5
BINDING SITE FOR RESIDUE GOL A 204
A
GOL
204
Software
8
A
SER
93
A
SER
94
6
1_555
B
TYR
48
B
TYR
49
6
1_555
B
VAL
49
B
VAL
50
6
1_555
B
THR
52
B
THR
53
6
1_555
B
GLN
54
B
GLN
55
6
1_555
B
THR
56
B
THR
57
6
1_555
A
LYS
35
A
LYS
36
3
1_555
A
PHE
85
A
PHE
86
3
1_555
A
HOH
443
I
HOH
3
1_555
A
VAL
21
A
VAL
22
7
1_555
A
HIS
22
A
HIS
23
7
1_555
A
ASN
23
A
ASN
24
7
1_555
A
HOH
382
I
HOH
7
1_555
B
GLN
76
B
GLN
77
7
9_554
B
ASN
77
B
ASN
78
7
9_554
B
HOH
480
J
HOH
7
9_554
B
LYS
35
B
LYS
36
2
1_555
B
PHE
85
B
PHE
86
2
1_555
A
GLU
16
A
GLU
17
5
1_555
A
HOH
311
I
HOH
5
1_555
B
TYR
68
B
TYR
69
5
9_554
B
ASN
70
B
ASN
71
5
9_554
B
SER
72
B
SER
73
5
9_554
A
TYR
61
A
TYR
62
8
1_555
A
GLY
63
A
GLY
64
8
1_555
A
ARG
64
A
ARG
65
8
1_555
A
GLU
65
A
GLU
66
8
1_555
A
GLN
76
A
GLN
77
8
1_555
B
TYR
48
B
TYR
49
8
9_554
B
GLY
51
B
GLY
52
8
9_554
B
THR
52
B
THR
53
8
9_554
146
H 3