1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Salih, O.
Remaut, H.
Waksman, G.
Orlova, E.V.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
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
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 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
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
O
N
84
N
H
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
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
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
N
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
N
N
124
S
C
N
125
N
C
N
126
N
O
N
127
S
C
N
128
N
C
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
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
N
N
146
S
C
N
147
N
C
N
148
N
O
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
C
N
153
N
O
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
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
N
N
168
S
C
N
169
N
C
N
170
N
O
N
171
N
C
N
172
N
C
N
173
N
C
N
174
N
C
N
175
N
N
N
176
N
O
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
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
N
N
193
S
C
N
194
N
C
N
195
N
O
N
196
N
C
N
197
N
C
N
198
N
S
N
199
N
C
N
200
N
O
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
N
N
213
S
C
N
214
N
C
N
215
N
O
N
216
N
C
Y
217
N
C
Y
218
N
C
Y
219
N
C
Y
220
N
C
Y
221
N
C
Y
222
N
C
N
223
N
O
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
H
N
235
N
N
N
236
S
C
N
237
N
C
N
238
N
O
N
239
N
C
N
240
N
C
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
N
N
253
S
C
N
254
N
C
N
255
N
O
N
256
N
C
N
257
N
O
N
258
N
O
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
N
N
267
S
C
N
268
N
C
N
269
N
O
N
270
R
C
N
271
N
O
N
272
N
C
N
273
N
O
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
N
N
284
S
C
N
285
N
C
N
286
N
O
N
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
N
Y
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
N
297
N
O
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
N
N
311
S
C
N
312
N
C
N
313
N
O
N
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
N
321
N
O
N
322
N
O
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
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
N
N
335
S
C
N
336
N
C
N
337
N
O
N
338
N
C
N
339
N
C
N
340
N
C
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
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
doub
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
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
doub
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
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
sing
N
163
N
sing
N
164
N
doub
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
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
doub
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
doub
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
Y
212
N
doub
Y
213
N
sing
Y
214
N
sing
N
215
N
sing
Y
216
N
doub
N
217
N
sing
Y
218
N
doub
N
219
N
sing
Y
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
sing
N
229
N
sing
N
230
N
doub
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
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
doub
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
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
doub
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
Y
281
N
doub
Y
282
N
sing
Y
283
N
sing
N
284
N
sing
Y
285
N
doub
Y
286
N
sing
Y
287
N
sing
N
288
N
sing
Y
289
N
sing
Y
290
N
doub
N
291
N
sing
Y
292
N
doub
N
293
N
sing
Y
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
doub
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
Y
309
N
doub
Y
310
N
sing
Y
311
N
sing
N
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
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
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
doub
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
379
174
187
10.1016/j.jmb.2008.03.056
18448124
Structural analysis of the Saf pilus by electron microscopy and image processing.
2008
10.2210/pdb3cre/pdb
pdb_00003cre
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
REFINEMENT PROTOCOL--Rigid body
RIGID BODY FIT
RECIPROCAL
Correlation coefficient
2CO4
1
2CO4
PDB
experimental model
1.591
3CRE
Cross-common lines
5000
17
POINT
10 mM TRIS-HCl (pH 8) and 10 mM NaCl
10 mM TRIS-HCl (pH 8) and 10 mM NaCl
8
Stained with 2% ammonium molybdate. Type A Saf pilus. Fibre.
Wild-type SafA pili
0
COMPLEX
FILAMENT
1
1
HELICAL
25
KODAK SO-163 FILM
100
2004-04-23
TUNGSTEN HAIRPIN
FLOOD BEAM
FEI TECNAI 10
BRIGHT FIELD
2.4
900
400
44000
1
Continuous-carbon film
3CRE
C1
MODEL FITTING
URO
RECONSTRUCTION
1
IMAGIC
1
NO
NO
YES
NO
Ammonium Molybdate
1
NEGATIVE
12992.533
Outer membrane protein
core pilin domain, N-terminal deleted, UNP residues 48-170
1
man
polymer
15270.004
Outer membrane protein
core pilin domain, UNP residues 27-170
1
man
polymer
2070.237
Outer membrane protein
N-TERMINAL EXTENSION, UNP residues 27-45
1
syn
polymer
SAFA PILUS SUBUNIT
SAFA PILUS SUBUNIT
SAFA N-TERMINAL EXTENSION
no
no
DLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKNTGKEIGVGLSSDSLRRSDSTE
KWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
DLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKNTGKEIGVGLSSDSLRRSDSTE
KWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
A
polypeptide(L)
no
no
GSFLPNSEQQKSVDIVFSSPQDLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKN
TGKEIGVGLSSDSLRRSDSTEKWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
GSFLPNSEQQKSVDIVFSSPQDLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKN
TGKEIGVGLSSDSLRRSDSTEKWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
B
polypeptide(L)
no
no
GSFLPNSEQQKSVDIVFSS
GSFLPNSEQQKSVDIVFSS
C
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
LT2
sample
safA
Salmonella typhimurium
Escherichia coli
C600
Plasmid
PTRC99A
LT2
sample
safA
Salmonella typhimurium
Escherichia coli
C600
Plasmid
PTRC99A
em_image_scans
em_software
chem_comp_atom
chem_comp_bond
database_2
em_3d_fitting_list
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Data collection
Data collection
Database references
Refinement description
1
0
2008-05-20
1
1
2011-07-13
1
2
2018-07-18
1
3
2024-02-21
_em_software.image_processing_id
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_em_3d_fitting_list.accession_code
_em_3d_fitting_list.initial_refinement_model_id
_em_3d_fitting_list.source_name
_em_3d_fitting_list.type
Structural Analysis of the Saf Pilus by Electron Microscopy
and Image Processing - 3D reconstruction of the Type A Saf pilus,
one of two conformations of the pilus refined
Structural Analysis of the Saf Pilus by Electron Microscopy
and Image Processing - 3D reconstruction of the Type B Saf pilus,
one of two conformations of the pilus refined
Salmonella enterica SafA pilin in complex with a 19-residue SafA Nte peptide
Electron Microscopy model of the Saf Pilus - Type B
RCSB
Y
RCSB
2008-04-07
REL
SafANte - N-terminal extension
sample
2CO4
PDB
experimental model
ASP
22
n
1
ASP
22
A
LEU
23
n
2
LEU
23
A
THR
24
n
3
THR
24
A
VAL
25
n
4
VAL
25
A
SER
26
n
5
SER
26
A
LEU
27
n
6
LEU
27
A
ILE
28
n
7
ILE
28
A
PRO
29
n
8
PRO
29
A
VAL
30
n
9
VAL
30
A
SER
31
n
10
SER
31
A
GLY
32
n
11
GLY
32
A
LEU
33
n
12
LEU
33
A
LYS
34
n
13
LYS
34
A
ALA
35
n
14
ALA
35
A
GLY
36
n
15
GLY
36
A
LYS
37
n
16
LYS
37
A
ASN
38
n
17
ASN
38
A
ALA
39
n
18
ALA
39
A
PRO
40
n
19
PRO
40
A
SER
41
n
20
SER
41
A
ALA
42
n
21
ALA
42
A
LYS
43
n
22
LYS
43
A
ILE
44
n
23
ILE
44
A
ALA
45
n
24
ALA
45
A
LYS
46
n
25
LYS
46
A
LEU
47
n
26
LEU
47
A
VAL
48
n
27
VAL
48
A
VAL
49
n
28
VAL
49
A
ASN
50
n
29
ASN
50
A
SER
51
n
30
SER
51
A
THR
52
n
31
THR
52
A
THR
53
n
32
THR
53
A
LEU
54
n
33
LEU
54
A
LYS
55
n
34
LYS
55
A
GLU
56
n
35
GLU
56
A
PHE
57
n
36
PHE
57
A
GLY
58
n
37
GLY
58
A
VAL
59
n
38
VAL
59
A
ARG
60
n
39
ARG
60
A
GLY
61
n
40
GLY
61
A
ILE
62
n
41
ILE
62
A
SER
63
n
42
SER
63
A
ASN
64
n
43
ASN
64
A
ASN
65
n
44
ASN
65
A
VAL
66
n
45
VAL
66
A
VAL
67
n
46
VAL
67
A
ASP
68
n
47
ASP
68
A
SER
69
n
48
SER
69
A
THR
70
n
49
THR
70
A
GLY
71
n
50
GLY
71
A
THR
72
n
51
THR
72
A
ALA
73
n
52
ALA
73
A
TRP
74
n
53
TRP
74
A
ARG
75
n
54
ARG
75
A
VAL
76
n
55
VAL
76
A
ALA
77
n
56
ALA
77
A
GLY
78
n
57
GLY
78
A
LYS
79
n
58
LYS
79
A
ASN
80
n
59
ASN
80
A
THR
81
n
60
THR
81
A
GLY
82
n
61
GLY
82
A
LYS
83
n
62
LYS
83
A
GLU
84
n
63
GLU
84
A
ILE
85
n
64
ILE
85
A
GLY
86
n
65
GLY
86
A
VAL
87
n
66
VAL
87
A
GLY
88
n
67
GLY
88
A
LEU
89
n
68
LEU
89
A
SER
90
n
69
SER
90
A
SER
91
n
70
SER
91
A
ASP
92
n
71
ASP
92
A
SER
93
n
72
SER
93
A
LEU
94
n
73
LEU
94
A
ARG
95
n
74
ARG
95
A
ARG
96
n
75
ARG
96
A
SER
97
n
76
SER
97
A
ASP
98
n
77
ASP
98
A
SER
99
n
78
SER
99
A
THR
100
n
79
THR
100
A
GLU
101
n
80
GLU
101
A
LYS
102
n
81
LYS
102
A
TRP
103
n
82
TRP
103
A
ASN
104
n
83
ASN
104
A
GLY
105
n
84
GLY
105
A
VAL
106
n
85
VAL
106
A
ASN
107
n
86
ASN
107
A
TRP
108
n
87
TRP
108
A
MET
109
n
88
MET
109
A
THR
110
n
89
THR
110
A
PHE
111
n
90
PHE
111
A
ASN
112
n
91
ASN
112
A
SER
113
n
92
SER
113
A
ASN
114
n
93
ASN
114
A
ASP
115
n
94
ASP
115
A
THR
116
n
95
THR
116
A
LEU
117
n
96
LEU
117
A
ASP
118
n
97
ASP
118
A
ILE
119
n
98
ILE
119
A
VAL
120
n
99
VAL
120
A
LEU
121
n
100
LEU
121
A
THR
122
n
101
THR
122
A
GLY
123
n
102
GLY
123
A
PRO
124
n
103
PRO
124
A
ALA
125
n
104
ALA
125
A
GLN
126
n
105
GLN
126
A
ASN
127
n
106
ASN
127
A
VAL
128
n
107
VAL
128
A
THR
129
n
108
THR
129
A
ALA
130
n
109
ALA
130
A
ASP
131
n
110
ASP
131
A
THR
132
n
111
THR
132
A
TYR
133
n
112
TYR
133
A
PRO
134
n
113
PRO
134
A
ILE
135
n
114
ILE
135
A
THR
136
n
115
THR
136
A
LEU
137
n
116
LEU
137
A
ASP
138
n
117
ASP
138
A
VAL
139
n
118
VAL
139
A
VAL
140
n
119
VAL
140
A
GLY
141
n
120
GLY
141
A
TYR
142
n
121
TYR
142
A
GLN
143
n
122
GLN
143
A
PRO
144
n
123
PRO
144
A
GLY
1
n
1
GLY
1
B
SER
2
n
2
SER
2
B
PHE
3
n
3
PHE
3
B
LEU
4
n
4
LEU
4
B
PRO
5
n
5
PRO
5
B
ASN
6
n
6
ASN
6
B
SER
7
n
7
SER
7
B
GLU
8
n
8
GLU
8
B
GLN
9
n
9
GLN
9
B
GLN
10
n
10
GLN
10
B
LYS
11
n
11
LYS
11
B
SER
12
n
12
SER
12
B
VAL
13
n
13
VAL
13
B
ASP
14
n
14
ASP
14
B
ILE
15
n
15
ILE
15
B
VAL
16
n
16
VAL
16
B
PHE
17
n
17
PHE
17
B
SER
18
n
18
SER
18
B
SER
19
n
19
SER
19
B
PRO
20
n
20
PRO
20
B
GLN
21
n
21
GLN
21
B
ASP
22
n
22
ASP
22
B
LEU
23
n
23
LEU
23
B
THR
24
n
24
THR
24
B
VAL
25
n
25
VAL
25
B
SER
26
n
26
SER
26
B
LEU
27
n
27
LEU
27
B
ILE
28
n
28
ILE
28
B
PRO
29
n
29
PRO
29
B
VAL
30
n
30
VAL
30
B
SER
31
n
31
SER
31
B
GLY
32
n
32
GLY
32
B
LEU
33
n
33
LEU
33
B
LYS
34
n
34
LYS
34
B
ALA
35
n
35
ALA
35
B
GLY
36
n
36
GLY
36
B
LYS
37
n
37
LYS
37
B
ASN
38
n
38
ASN
38
B
ALA
39
n
39
ALA
39
B
PRO
40
n
40
PRO
40
B
SER
41
n
41
SER
41
B
ALA
42
n
42
ALA
42
B
LYS
43
n
43
LYS
43
B
ILE
44
n
44
ILE
44
B
ALA
45
n
45
ALA
45
B
LYS
46
n
46
LYS
46
B
LEU
47
n
47
LEU
47
B
VAL
48
n
48
VAL
48
B
VAL
49
n
49
VAL
49
B
ASN
50
n
50
ASN
50
B
SER
51
n
51
SER
51
B
THR
52
n
52
THR
52
B
THR
53
n
53
THR
53
B
LEU
54
n
54
LEU
54
B
LYS
55
n
55
LYS
55
B
GLU
56
n
56
GLU
56
B
PHE
57
n
57
PHE
57
B
GLY
58
n
58
GLY
58
B
VAL
59
n
59
VAL
59
B
ARG
60
n
60
ARG
60
B
GLY
61
n
61
GLY
61
B
ILE
62
n
62
ILE
62
B
SER
63
n
63
SER
63
B
ASN
64
n
64
ASN
64
B
ASN
65
n
65
ASN
65
B
VAL
66
n
66
VAL
66
B
VAL
67
n
67
VAL
67
B
ASP
68
n
68
ASP
68
B
SER
69
n
69
SER
69
B
THR
70
n
70
THR
70
B
GLY
71
n
71
GLY
71
B
THR
72
n
72
THR
72
B
ALA
73
n
73
ALA
73
B
TRP
74
n
74
TRP
74
B
ARG
75
n
75
ARG
75
B
VAL
76
n
76
VAL
76
B
ALA
77
n
77
ALA
77
B
GLY
78
n
78
GLY
78
B
LYS
79
n
79
LYS
79
B
ASN
80
n
80
ASN
80
B
THR
81
n
81
THR
81
B
GLY
82
n
82
GLY
82
B
LYS
83
n
83
LYS
83
B
GLU
84
n
84
GLU
84
B
ILE
85
n
85
ILE
85
B
GLY
86
n
86
GLY
86
B
VAL
87
n
87
VAL
87
B
GLY
88
n
88
GLY
88
B
LEU
89
n
89
LEU
89
B
SER
90
n
90
SER
90
B
SER
91
n
91
SER
91
B
ASP
92
n
92
ASP
92
B
SER
93
n
93
SER
93
B
LEU
94
n
94
LEU
94
B
ARG
95
n
95
ARG
95
B
ARG
96
n
96
ARG
96
B
SER
97
n
97
SER
97
B
ASP
98
n
98
ASP
98
B
SER
99
n
99
SER
99
B
THR
100
n
100
THR
100
B
GLU
101
n
101
GLU
101
B
LYS
102
n
102
LYS
102
B
TRP
103
n
103
TRP
103
B
ASN
104
n
104
ASN
104
B
GLY
105
n
105
GLY
105
B
VAL
106
n
106
VAL
106
B
ASN
107
n
107
ASN
107
B
TRP
108
n
108
TRP
108
B
MET
109
n
109
MET
109
B
THR
110
n
110
THR
110
B
PHE
111
n
111
PHE
111
B
ASN
112
n
112
ASN
112
B
SER
113
n
113
SER
113
B
ASN
114
n
114
ASN
114
B
ASP
115
n
115
ASP
115
B
THR
116
n
116
THR
116
B
LEU
117
n
117
LEU
117
B
ASP
118
n
118
ASP
118
B
ILE
119
n
119
ILE
119
B
VAL
120
n
120
VAL
120
B
LEU
121
n
121
LEU
121
B
THR
122
n
122
THR
122
B
GLY
123
n
123
GLY
123
B
PRO
124
n
124
PRO
124
B
ALA
125
n
125
ALA
125
B
GLN
126
n
126
GLN
126
B
ASN
127
n
127
ASN
127
B
VAL
128
n
128
VAL
128
B
THR
129
n
129
THR
129
B
ALA
130
n
130
ALA
130
B
ASP
131
n
131
ASP
131
B
THR
132
n
132
THR
132
B
TYR
133
n
133
TYR
133
B
PRO
134
n
134
PRO
134
B
ILE
135
n
135
ILE
135
B
THR
136
n
136
THR
136
B
LEU
137
n
137
LEU
137
B
ASP
138
n
138
ASP
138
B
VAL
139
n
139
VAL
139
B
VAL
140
n
140
VAL
140
B
GLY
141
n
141
GLY
141
B
TYR
142
n
142
TYR
142
B
GLN
143
n
143
GLN
143
B
PRO
144
n
144
PRO
144
B
GLY
1
n
1
GLY
1
C
SER
2
n
2
SER
2
C
PHE
3
n
3
PHE
3
C
LEU
4
n
4
LEU
4
C
PRO
5
n
5
PRO
5
C
ASN
6
n
6
ASN
6
C
SER
7
n
7
SER
7
C
GLU
8
n
8
GLU
8
C
GLN
9
n
9
GLN
9
C
GLN
10
n
10
GLN
10
C
LYS
11
n
11
LYS
11
C
SER
12
n
12
SER
12
C
VAL
13
n
13
VAL
13
C
ASP
14
n
14
ASP
14
C
ILE
15
n
15
ILE
15
C
VAL
16
n
16
VAL
16
C
PHE
17
n
17
PHE
17
C
SER
18
n
18
SER
18
C
SER
19
n
19
SER
19
C
author_defined_assembly
3
trimeric
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
SER
26
A
N
SER
5
A
O
VAL
48
A
O
VAL
27
A
N
ALA
45
A
N
ALA
24
A
O
ILE
119
A
O
ILE
98
A
O
VAL
120
A
O
VAL
99
A
N
GLY
88
A
N
GLY
67
A
O
ILE
85
A
O
ILE
64
A
N
VAL
76
A
N
VAL
55
A
N
GLY
36
A
N
GLY
15
A
O
VAL
128
A
O
VAL
107
A
N
TRP
103
A
N
TRP
82
A
O
VAL
106
A
O
VAL
85
A
O
PHE
111
A
O
PHE
90
A
N
PHE
57
A
N
PHE
36
A
N
GLY
58
A
N
GLY
37
A
O
VAL
140
A
O
VAL
119
A
N
TYR
133
A
N
TYR
112
B
O
ILE
15
B
O
ILE
15
B
N
ILE
28
B
N
ILE
28
B
O
LYS
46
B
O
LYS
46
B
N
VAL
49
B
N
VAL
49
B
O
ASP
115
B
O
ASP
115
B
O
VAL
120
B
O
VAL
120
B
N
GLY
88
B
N
GLY
88
B
O
VAL
87
B
O
VAL
87
B
N
TRP
74
B
N
TRP
74
B
O
ARG
75
B
O
ARG
75
B
N
ASN
65
B
N
ASN
65
B
N
GLY
36
B
N
GLY
36
B
O
VAL
128
B
O
VAL
128
B
N
TRP
103
B
N
TRP
103
B
O
VAL
106
B
O
VAL
106
B
O
PHE
111
B
O
PHE
111
B
N
PHE
57
B
N
PHE
57
B
N
GLY
58
B
N
GLY
58
B
O
VAL
140
B
O
VAL
140
B
N
VAL
139
B
N
VAL
139
C
O
GLN
9
C
O
GLN
9
B
N
GLN
143
B
N
GLN
143
C
O
SER
2
C
O
SER
2
1
B
C
CB
OG
ALA
SER
130
19
1.67
1
A
B
NZ
OD1
LYS
ASP
79
14
2.19
1
B
B
ALA
PRO
39
40
147.06
1
B
B
GLY
PRO
123
124
112.31
1
A
ARG
60
0.096
SIDE CHAIN
1
A
ARG
95
0.094
SIDE CHAIN
1
B
PHE
57
0.094
SIDE CHAIN
1
7.08
0.50
120.30
127.38
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
60
60
60
N
1
3.13
0.50
120.30
123.43
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
75
75
75
N
1
3.87
0.50
120.30
124.17
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
95
95
95
N
1
3.57
0.50
120.30
123.87
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
96
96
96
N
1
9.95
1.60
100.20
110.15
A
A
A
CG
SD
CE
MET
MET
MET
109
109
109
N
1
8.92
0.90
118.30
127.22
A
A
A
CB
CG
OD1
ASP
ASP
ASP
115
115
115
N
1
-11.31
1.80
110.60
99.29
A
A
A
N
CA
CB
ASP
ASP
ASP
131
131
131
N
1
6.63
0.50
120.30
126.93
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
60
60
60
N
1
4.63
0.50
120.30
124.93
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
75
75
75
N
1
4.86
0.50
120.30
125.16
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
95
95
95
N
1
-4.91
0.80
107.30
102.39
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
103
103
103
N
1
-5.10
0.80
107.30
102.20
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
108
108
108
N
1
A
PRO
124
-66.05
-172.15
1
A
ALA
125
-51.29
77.45
1
A
THR
129
-60.13
53.36
1
B
SER
18
-61.23
76.43
1
B
ASP
22
-144.93
-152.87
1
B
SER
51
-173.01
-160.94
1
B
THR
52
-64.23
62.60
1
B
LYS
55
-94.21
-83.77
1
B
THR
72
71.85
40.53
1
B
SER
97
-43.20
150.19
1
B
LYS
102
-119.87
63.42
1
B
TRP
103
-40.09
106.07
1
B
SER
113
-66.09
56.59
1
B
ASN
114
-152.84
66.90
1
B
PRO
124
-45.05
159.68
1
C
SER
2
179.97
-174.32
1
C
ASN
6
-36.76
-37.23
0
2135
0
0
2135
Electron Microscopy model of the Saf Pilus- Type A
1
N
N
2
N
N
3
N
N
A
SER
90
A
SER
69
HELX_P
A
ARG
96
A
ARG
75
1
1
7
B
SER
90
B
SER
90
HELX_P
B
SER
97
B
SER
97
1
2
8
C
PRO
5
C
PRO
5
HELX_P
C
GLU
8
C
GLU
8
5
3
4
MEMBRANE PROTEIN
SafA protein polymer, Type A Saf Pilus, Fibril Protein, MEMBRANE PROTEIN
Q8ZRK4_SALTY
UNP
1
48
Q8ZRK4
DLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKNTGKEIGVGLSSDSLRRSDSTE
KWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
Q8ZRK4_SALTY
UNP
2
27
Q8ZRK4
GSFLPNSEQQKSVDIVFSSPQDLTVSLIPVSGLKAGKNAPSAKIAKLVVNSTTLKEFGVRGISNNVVDSTGTAWRVAGKN
TGKEIGVGLSSDSLRRSDSTEKWNGVNWMTFNSNDTLDIVLTGPAQNVTADTYPITLDVVGYQP
Q8ZRK4_SALTY
UNP
3
27
Q8ZRK4
GSFLPNSEQQKSVDIVFSS
48
170
3CRE
22
144
Q8ZRK4
A
1
1
123
27
170
3CRE
1
144
Q8ZRK4
B
2
1
144
27
45
3CRE
1
19
Q8ZRK4
C
3
1
19
5
2
5
6
2
5
2
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
THR
24
A
THR
3
A
PRO
29
A
PRO
8
A
LYS
43
A
LYS
22
A
ASN
50
A
ASN
29
A
ASP
115
A
ASP
94
A
VAL
120
A
VAL
99
A
GLU
84
A
GLU
63
A
LEU
89
A
LEU
68
A
ALA
73
A
ALA
52
A
ALA
77
A
ALA
56
A
GLY
36
A
GLY
15
A
LYS
37
A
LYS
16
A
ASN
127
A
ASN
106
A
VAL
128
A
VAL
107
A
THR
100
A
THR
79
A
TRP
103
A
TRP
82
A
VAL
106
A
VAL
85
A
ASN
112
A
ASN
91
A
GLU
56
A
GLU
35
A
GLY
61
A
GLY
40
A
THR
132
A
THR
111
A
TYR
142
A
TYR
121
B
GLN
9
B
GLN
9
B
VAL
16
B
VAL
16
B
LEU
27
B
LEU
27
B
PRO
29
B
PRO
29
B
LYS
43
B
LYS
43
B
VAL
49
B
VAL
49
B
ASP
115
B
ASP
115
B
VAL
120
B
VAL
120
B
GLU
84
B
GLU
84
B
LEU
89
B
LEU
89
B
ALA
73
B
ALA
73
B
ALA
77
B
ALA
77
B
ASN
65
B
ASN
65
B
VAL
66
B
VAL
66
B
GLY
36
B
GLY
36
B
LYS
37
B
LYS
37
B
ASN
127
B
ASN
127
B
VAL
128
B
VAL
128
B
THR
100
B
THR
100
B
TRP
103
B
TRP
103
B
VAL
106
B
VAL
106
B
ASN
112
B
ASN
112
B
GLU
56
B
GLU
56
B
GLY
61
B
GLY
61
B
THR
132
B
THR
132
B
VAL
140
B
VAL
140
C
GLN
9
C
GLN
9
C
VAL
16
C
VAL
16
B
TYR
142
B
TYR
142
B
GLN
143
B
GLN
143
C
SER
2
C
SER
2
C
PHE
3
C
PHE
3