0.034590
0.000000
0.000000
0.000000
0.016303
0.000000
0.000000
0.000000
0.007739
0.00000
0.00000
0.00000
Clemons Jr., W.M.
Gowda, K.
Black, S.D.
Zwieb, C.
Ramakrishnan, V.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90
90
90
28.91
61.34
129.22
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
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
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
O
N
124
N
H
N
125
N
H
N
126
N
N
N
127
S
C
N
128
N
C
N
129
N
O
N
130
S
C
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
O
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
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
C
N
156
N
O
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
H
N
168
N
H
N
169
N
H
N
170
N
N
N
171
S
C
N
172
N
C
N
173
N
O
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
N
N
179
N
O
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
H
N
193
N
H
N
194
N
H
N
195
N
N
N
196
S
C
N
197
N
C
N
198
N
O
N
199
N
C
N
200
N
C
N
201
N
S
N
202
N
C
N
203
N
O
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
H
N
213
N
H
N
214
N
H
N
215
N
N
N
216
S
C
N
217
N
C
N
218
N
O
N
219
N
C
Y
220
N
C
Y
221
N
C
Y
222
N
C
Y
223
N
C
Y
224
N
C
Y
225
N
C
N
226
N
O
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
H
N
236
N
H
N
237
N
H
N
238
N
N
N
239
S
C
N
240
N
C
N
241
N
O
N
242
N
C
N
243
N
C
N
244
N
C
N
245
N
O
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
N
N
256
S
C
N
257
N
C
N
258
N
O
N
259
N
C
N
260
N
O
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
N
N
270
S
C
N
271
N
C
N
272
N
O
N
273
R
C
N
274
N
O
N
275
N
C
N
276
N
O
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
H
N
284
N
H
N
285
N
H
N
286
N
N
N
287
S
C
N
288
N
C
N
289
N
O
N
290
N
C
Y
291
N
C
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
O
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
N
315
N
C
N
316
N
C
N
317
N
O
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
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
doub
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
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
sing
N
144
N
sing
N
145
N
doub
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
sing
N
165
N
sing
N
166
N
doub
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
sing
N
189
N
sing
N
190
N
doub
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
sing
N
208
N
sing
N
209
N
doub
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
Y
214
N
doub
Y
215
N
sing
Y
216
N
sing
N
217
N
sing
Y
218
N
doub
N
219
N
sing
Y
220
N
doub
N
221
N
sing
Y
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
doub
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
doub
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
doub
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
sing
N
277
N
sing
N
278
N
doub
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
Y
283
N
doub
Y
284
N
sing
Y
285
N
sing
N
286
N
sing
Y
287
N
doub
N
288
N
sing
Y
289
N
doub
N
290
N
sing
Y
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
sing
N
301
N
sing
N
302
N
doub
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
292
697
705
10.1006/jmbi.1999.3090
10497032
Crystal structure of the conserved subdomain of human protein SRP54M at 2.1 A resolution: evidence for the mechanism of signal peptide binding.
1999
10.2210/pdb1qb2/pdb
pdb_00001qb2
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
1
1
1
CCD
1998-09-13
BRANDEIS
SINGLE WAVELENGTH
M
x-ray
1
SINGLE WAVELENGTH
M
x-ray
1
SINGLE WAVELENGTH
M
x-ray
1
SINGLE WAVELENGTH
M
x-ray
1
0.93
1.0
0.9796
1.0
0.9793
1.0
X12C
NSLS
0.93
SYNCHROTRON
NSLS BEAMLINE X12C
X25
NSLS
0.93
SYNCHROTRON
NSLS BEAMLINE X25
X25
NSLS
0.9796
SYNCHROTRON
NSLS BEAMLINE X25
X25
NSLS
0.9793
SYNCHROTRON
NSLS BEAMLINE X25
12473.440
HUMAN SIGNAL RECOGNITION PARTICLE 54 KD PROTEIN
SRP54
2
man
polymer
18.015
water
84
nat
water
FRAGMENT, CONSERVED M DOMAIN
SRP54
no
no
QFTLRDMYEQFQNIMKMGPFSQILGMIPGFGTDFMSKGNEQESMARLKKLMTIMDSMNDQELDSTDGAKVFSKQPGRIQR
VARGSGVSTRDVQELLTQYTKFAQMVKKM
QFTLRDMYEQFQNIMKMGPFSQILGMIPGFGTDFMSKGNEQESMARLKKLMTIMDSMNDQELDSTDGAKVFSKQPGRIQR
VARGSGVSTRDVQELLTQYTKFAQMVKKM
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
human
Homo
PLACENTA
Escherichia
sample
T7 BASED EXPRESSION SYSTEM
CYTOPLASM
9606
PLACENTA
Homo sapiens
562
Escherichia coli
B834(DE3)
PET19
PLASMID
1
2.30
46.42
VAPOR DIFFUSION, HANGING DROP
4.6
30% PEG 2K, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
software
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Data collection
Database references
1
0
1999-10-20
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2024-02-14
_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
RCSB
Y
RCSB
1999-04-29
REL
REL
HOH
water
TIP
4
2
HOH
HOH
4
A
TIP
5
2
HOH
HOH
5
A
TIP
6
2
HOH
HOH
6
A
TIP
7
2
HOH
HOH
7
A
TIP
9
2
HOH
HOH
9
A
TIP
10
2
HOH
HOH
10
A
TIP
11
2
HOH
HOH
11
A
TIP
12
2
HOH
HOH
12
A
TIP
15
2
HOH
HOH
15
A
TIP
17
2
HOH
HOH
17
A
TIP
18
2
HOH
HOH
18
A
TIP
19
2
HOH
HOH
19
A
TIP
20
2
HOH
HOH
20
A
TIP
23
2
HOH
HOH
23
A
TIP
24
2
HOH
HOH
24
A
TIP
27
2
HOH
HOH
27
A
TIP
28
2
HOH
HOH
28
A
TIP
29
2
HOH
HOH
29
A
TIP
32
2
HOH
HOH
32
A
TIP
35
2
HOH
HOH
35
A
TIP
36
2
HOH
HOH
36
A
TIP
37
2
HOH
HOH
37
A
TIP
38
2
HOH
HOH
38
A
TIP
40
2
HOH
HOH
40
A
TIP
41
2
HOH
HOH
41
A
TIP
43
2
HOH
HOH
43
A
TIP
44
2
HOH
HOH
44
A
TIP
45
2
HOH
HOH
45
A
TIP
46
2
HOH
HOH
46
A
TIP
47
2
HOH
HOH
47
A
TIP
50
2
HOH
HOH
50
A
TIP
52
2
HOH
HOH
52
A
TIP
53
2
HOH
HOH
53
A
TIP
55
2
HOH
HOH
55
A
TIP
56
2
HOH
HOH
56
A
TIP
57
2
HOH
HOH
57
A
TIP
58
2
HOH
HOH
58
A
TIP
59
2
HOH
HOH
59
A
TIP
61
2
HOH
HOH
61
A
TIP
62
2
HOH
HOH
62
A
TIP
63
2
HOH
HOH
63
A
TIP
64
2
HOH
HOH
64
A
TIP
65
2
HOH
HOH
65
A
TIP
66
2
HOH
HOH
66
A
TIP
68
2
HOH
HOH
68
A
TIP
69
2
HOH
HOH
69
A
TIP
70
2
HOH
HOH
70
A
TIP
71
2
HOH
HOH
71
A
TIP
77
2
HOH
HOH
77
A
TIP
82
2
HOH
HOH
82
A
TIP
87
2
HOH
HOH
87
A
TIP
89
2
HOH
HOH
89
A
TIP
91
2
HOH
HOH
91
A
TIP
1
2
HOH
HOH
1
B
TIP
2
2
HOH
HOH
2
B
TIP
3
2
HOH
HOH
3
B
TIP
8
2
HOH
HOH
8
B
TIP
13
2
HOH
HOH
13
B
TIP
14
2
HOH
HOH
14
B
TIP
16
2
HOH
HOH
16
B
TIP
21
2
HOH
HOH
21
B
TIP
22
2
HOH
HOH
22
B
TIP
25
2
HOH
HOH
25
B
TIP
26
2
HOH
HOH
26
B
TIP
30
2
HOH
HOH
30
B
TIP
31
2
HOH
HOH
31
B
TIP
33
2
HOH
HOH
33
B
TIP
34
2
HOH
HOH
34
B
TIP
39
2
HOH
HOH
39
B
TIP
42
2
HOH
HOH
42
B
TIP
48
2
HOH
HOH
48
B
TIP
49
2
HOH
HOH
49
B
TIP
51
2
HOH
HOH
51
B
TIP
60
2
HOH
HOH
60
B
TIP
67
2
HOH
HOH
67
B
TIP
72
2
HOH
HOH
72
B
TIP
74
2
HOH
HOH
74
B
TIP
75
2
HOH
HOH
75
B
TIP
78
2
HOH
HOH
78
B
TIP
79
2
HOH
HOH
79
B
TIP
83
2
HOH
HOH
83
B
TIP
86
2
HOH
HOH
86
B
TIP
88
2
HOH
HOH
88
B
TIP
90
2
HOH
HOH
90
B
GLN
326
n
1
GLN
326
A
PHE
327
n
2
PHE
327
A
THR
328
n
3
THR
328
A
LEU
329
n
4
LEU
329
A
ARG
330
n
5
ARG
330
A
ASP
331
n
6
ASP
331
A
MET
332
n
7
MET
332
A
TYR
333
n
8
TYR
333
A
GLU
334
n
9
GLU
334
A
GLN
335
n
10
GLN
335
A
PHE
336
n
11
PHE
336
A
GLN
337
n
12
GLN
337
A
ASN
338
n
13
ASN
338
A
ILE
339
n
14
ILE
339
A
MET
340
n
15
MET
340
A
LYS
341
n
16
LYS
341
A
MET
342
n
17
MET
342
A
GLY
343
n
18
GLY
343
A
PRO
344
n
19
PRO
344
A
PHE
345
n
20
PHE
345
A
SER
346
n
21
SER
346
A
GLN
347
n
22
GLN
347
A
ILE
348
n
23
ILE
348
A
LEU
349
n
24
LEU
349
A
GLY
350
n
25
GLY
350
A
MET
351
n
26
MET
351
A
ILE
352
n
27
ILE
352
A
PRO
353
n
28
PRO
353
A
GLY
354
n
29
GLY
354
A
PHE
355
n
30
PHE
355
A
GLY
356
n
31
GLY
356
A
THR
357
n
32
THR
357
A
ASP
358
n
33
ASP
358
A
PHE
359
n
34
PHE
359
A
MET
360
n
35
MET
360
A
SER
361
n
36
SER
361
A
LYS
362
n
37
LYS
362
A
GLY
363
n
38
GLY
363
A
ASN
364
n
39
ASN
364
A
GLU
365
n
40
GLU
365
A
GLN
366
n
41
GLN
366
A
GLU
367
n
42
GLU
367
A
SER
368
n
43
SER
368
A
MET
369
n
44
MET
369
A
ALA
370
n
45
ALA
370
A
ARG
371
n
46
ARG
371
A
LEU
372
n
47
LEU
372
A
LYS
373
n
48
LYS
373
A
LYS
374
n
49
LYS
374
A
LEU
375
n
50
LEU
375
A
MET
376
n
51
MET
376
A
THR
377
n
52
THR
377
A
ILE
378
n
53
ILE
378
A
MET
379
n
54
MET
379
A
ASP
380
n
55
ASP
380
A
SER
381
n
56
SER
381
A
MET
382
n
57
MET
382
A
ASN
383
n
58
ASN
383
A
ASP
384
n
59
ASP
384
A
GLN
385
n
60
GLN
385
A
GLU
386
n
61
GLU
386
A
LEU
387
n
62
LEU
387
A
ASP
388
n
63
ASP
388
A
SER
389
n
64
SER
389
A
THR
390
n
65
THR
390
A
ASP
391
n
66
ASP
391
A
GLY
392
n
67
GLY
392
A
ALA
393
n
68
ALA
393
A
LYS
394
n
69
LYS
394
A
VAL
395
n
70
VAL
395
A
PHE
396
n
71
PHE
396
A
SER
397
n
72
SER
397
A
LYS
398
n
73
LYS
398
A
GLN
399
n
74
GLN
399
A
PRO
400
n
75
PRO
400
A
GLY
401
n
76
GLY
401
A
ARG
402
n
77
ARG
402
A
ILE
403
n
78
ILE
403
A
GLN
404
n
79
GLN
404
A
ARG
405
n
80
ARG
405
A
VAL
406
n
81
VAL
406
A
ALA
407
n
82
ALA
407
A
ARG
408
n
83
ARG
408
A
GLY
409
n
84
GLY
409
A
SER
410
n
85
SER
410
A
GLY
411
n
86
GLY
411
A
VAL
412
n
87
VAL
412
A
SER
413
n
88
SER
413
A
THR
414
n
89
THR
414
A
ARG
415
n
90
ARG
415
A
ASP
416
n
91
ASP
416
A
VAL
417
n
92
VAL
417
A
GLN
418
n
93
GLN
418
A
GLU
419
n
94
GLU
419
A
LEU
420
n
95
LEU
420
A
LEU
421
n
96
LEU
421
A
THR
422
n
97
THR
422
A
GLN
423
n
98
GLN
423
A
TYR
424
n
99
TYR
424
A
THR
425
n
100
THR
425
A
LYS
426
n
101
LYS
426
A
PHE
427
n
102
PHE
427
A
ALA
428
n
103
ALA
428
A
GLN
429
n
104
GLN
429
A
MET
430
n
105
MET
430
A
VAL
431
n
106
VAL
431
A
VAL
431
n
107
LYS
432
A
n
108
433
A
n
109
434
A
GLN
326
n
1
GLN
326
B
PHE
327
n
2
PHE
327
B
THR
328
n
3
THR
328
B
LEU
329
n
4
LEU
329
B
ARG
330
n
5
ARG
330
B
ASP
331
n
6
ASP
331
B
MET
332
n
7
MET
332
B
TYR
333
n
8
TYR
333
B
GLU
334
n
9
GLU
334
B
GLN
335
n
10
GLN
335
B
PHE
336
n
11
PHE
336
B
GLN
337
n
12
GLN
337
B
ASN
338
n
13
ASN
338
B
ILE
339
n
14
ILE
339
B
MET
340
n
15
MET
340
B
LYS
341
n
16
LYS
341
B
MET
342
n
17
MET
342
B
GLY
343
n
18
GLY
343
B
PRO
344
n
19
PRO
344
B
PHE
345
n
20
PHE
345
B
SER
346
n
21
SER
346
B
GLN
347
n
22
GLN
347
B
ILE
348
n
23
ILE
348
B
LEU
349
n
24
LEU
349
B
GLY
350
n
25
GLY
350
B
MET
351
n
26
MET
351
B
ILE
352
n
27
ILE
352
B
PRO
353
n
28
PRO
353
B
GLY
354
n
29
GLY
354
B
PHE
355
n
30
PHE
355
B
GLY
356
n
31
GLY
356
B
THR
357
n
32
THR
357
B
ASP
358
n
33
ASP
358
B
PHE
359
n
34
PHE
359
B
MET
360
n
35
MET
360
B
SER
361
n
36
SER
361
B
LYS
362
n
37
LYS
362
B
GLY
363
n
38
GLY
363
B
ASN
364
n
39
ASN
364
B
GLU
365
n
40
GLU
365
B
GLN
366
n
41
GLN
366
B
GLU
367
n
42
GLU
367
B
SER
368
n
43
SER
368
B
MET
369
n
44
MET
369
B
ALA
370
n
45
ALA
370
B
ARG
371
n
46
ARG
371
B
LEU
372
n
47
LEU
372
B
LYS
373
n
48
LYS
373
B
LYS
374
n
49
LYS
374
B
LEU
375
n
50
LEU
375
B
MET
376
n
51
MET
376
B
THR
377
n
52
THR
377
B
ILE
378
n
53
ILE
378
B
MET
379
n
54
MET
379
B
ASP
380
n
55
ASP
380
B
SER
381
n
56
SER
381
B
MET
382
n
57
MET
382
B
ASN
383
n
58
ASN
383
B
ASP
384
n
59
ASP
384
B
GLN
385
n
60
GLN
385
B
GLU
386
n
61
GLU
386
B
LEU
387
n
62
LEU
387
B
ASP
388
n
63
ASP
388
B
SER
389
n
64
SER
389
B
THR
390
n
65
THR
390
B
ASP
391
n
66
ASP
391
B
GLY
392
n
67
GLY
392
B
ALA
393
n
68
ALA
393
B
LYS
394
n
69
LYS
394
B
VAL
395
n
70
VAL
395
B
PHE
396
n
71
PHE
396
B
SER
397
n
72
SER
397
B
LYS
398
n
73
LYS
398
B
GLN
399
n
74
GLN
399
B
PRO
400
n
75
PRO
400
B
GLY
401
n
76
GLY
401
B
ARG
402
n
77
ARG
402
B
ILE
403
n
78
ILE
403
B
GLN
404
n
79
GLN
404
B
ARG
405
n
80
ARG
405
B
VAL
406
n
81
VAL
406
B
ALA
407
n
82
ALA
407
B
ARG
408
n
83
ARG
408
B
GLY
409
n
84
GLY
409
B
SER
410
n
85
SER
410
B
GLY
411
n
86
GLY
411
B
VAL
412
n
87
VAL
412
B
SER
413
n
88
SER
413
B
THR
414
n
89
THR
414
B
ARG
415
n
90
ARG
415
B
ASP
416
n
91
ASP
416
B
VAL
417
n
92
VAL
417
B
GLN
418
n
93
GLN
418
B
GLU
419
n
94
GLU
419
B
LEU
420
n
95
LEU
420
B
LEU
421
n
96
LEU
421
B
THR
422
n
97
THR
422
B
GLN
423
n
98
GLN
423
B
TYR
424
n
99
TYR
424
B
THR
425
n
100
THR
425
B
LYS
426
n
101
LYS
426
B
PHE
427
n
102
PHE
427
B
ALA
428
n
103
ALA
428
B
GLN
429
n
104
GLN
429
B
MET
430
n
105
MET
430
B
VAL
431
n
106
VAL
431
B
LYS
432
n
107
LYS
432
B
LYS
433
n
108
LYS
433
B
MET
434
n
109
MET
434
B
author_and_software_defined_assembly
PISA
2
dimeric
4670
-52
11330
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
1
A
CA
LYS
432
A
CA
LYS
107
1
Y
1
A
C
LYS
432
A
C
LYS
107
1
Y
1
A
O
LYS
432
A
O
LYS
107
1
Y
1
A
CB
LYS
432
A
CB
LYS
107
1
Y
1
A
CG
LYS
432
A
CG
LYS
107
1
Y
1
A
CD
LYS
432
A
CD
LYS
107
1
Y
1
A
CE
LYS
432
A
CE
LYS
107
1
Y
1
A
NZ
LYS
432
A
NZ
LYS
107
1
Y
1
A
LYS
433
A
LYS
108
1
Y
1
A
MET
434
A
MET
109
1
Y
1
A
ASP
358
-106.33
41.44
1
A
VAL
431
-95.25
-94.66
1
B
MET
360
65.36
66.95
1
B
LYS
362
47.03
-104.09
1
B
ASN
364
-110.95
55.47
1
B
PRO
400
-56.84
-7.98
0.318
0.245
0.245
2.1
50
2609
25396
25396
~10% OF REFLECTIONS RANDOMLY PICKED
1
0
2.1
50
84
1790
0
0
1706
0.008
1.065
1.065
2.1
50.0
1QB2
25000
25000
0
0
0.057
1,2,3,4
3.5
99
0.296
2.1
2.14
2.7
94
phasing
SOLVE
refinement
X-PLOR
3.843
data reduction
MADNESS
data scaling
SCALEPACK
CRYSTAL STRUCTURE OF THE CONSERVED SUBDOMAIN OF HUMAN PROTEIN SRP54M AT 2.1A RESOLUTION: EVIDENCE FOR THE MECHANISM OF SIGNAL PEPTIDE BINDING
1
N
N
1
N
N
2
N
N
2
N
N
A
THR
328
A
THR
3
HELX_P
A
MET
342
A
MET
17
1
1
15
A
MET
342
A
MET
17
HELX_P
A
ILE
352
A
ILE
27
1
2
11
A
ASN
364
A
ASN
39
HELX_P
A
ASP
380
A
ASP
55
1
3
17
A
ASN
383
A
ASN
58
HELX_P
A
SER
389
A
SER
64
1
4
7
A
GLY
392
A
GLY
67
HELX_P
A
GLN
399
A
GLN
74
1
5
8
A
PRO
400
A
PRO
75
HELX_P
A
SER
410
A
SER
85
1
6
11
A
SER
413
A
SER
88
HELX_P
A
VAL
431
A
VAL
106
1
7
19
B
THR
328
B
THR
3
HELX_P
B
GLY
350
B
GLY
25
1
8
23
B
GLU
365
B
GLU
40
HELX_P
B
ASP
380
B
ASP
55
1
9
16
B
ASN
383
B
ASN
58
HELX_P
B
SER
389
B
SER
64
1
10
7
B
ASP
391
B
ASP
66
HELX_P
B
GLN
399
B
GLN
74
1
11
9
B
PRO
400
B
PRO
75
HELX_P
B
SER
410
B
SER
85
1
12
11
B
SER
413
B
SER
88
HELX_P
B
LYS
433
B
LYS
108
1
13
21
SIGNALING PROTEIN
ALPHA-HELIX, HELIX-TURN-HELIX, SIGNALING PROTEIN
SRP54_HUMAN
UNP
1
P61011
326
434
1QB2
326
434
P61011
A
1
1
109
326
434
1QB2
326
434
P61011
B
1
1
109
19
P 21 21 21