0.021304
0.000000
0.000000
0.000000
0.010894
0.000000
0.000000
0.000000
0.013189
0.00000
0.00000
0.00000
CIS PROLINE - PRO 71
CIS PROLINE - PRO 287
THERE IS A STRONG 2.3 ANGSTROMS H-BOND BETWEEN NZ OF LYS 209 AND NZ OF LYS 301 WHICH IT IS SUGGESTED FORMS A PH-SENSITIVE DI-LYSINE TRIGGER THAT OPENS THE TWO DOMAINS OF THE N-LOBE AT LOW PH AND FACILITATES FE(III) RELEASE.
Dewan, J.C.
Mikami, B.
Sacchettini, J.C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
46.940
91.790
75.820
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
C O3 -2
60.009
CARBONATE ION
non-polymer
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
Fe 3
55.845
FE (III) 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
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
US
Biochemistry
BICHAW
0033
0006-2960
32
11963
11968
10.1021/bi00096a004
8218271
Structural evidence for a pH-sensitive dilysine trigger in the hen ovotransferrin N-lobe: implications for transferrin iron release.
1993
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
x-ray
1
1.0
36105.773
OVOTRANSFERRIN
1
man
polymer
55.845
FE (III) ION
1
syn
non-polymer
60.009
CARBONATE ION
1
syn
non-polymer
18.015
water
108
nat
water
no
no
SVIRWCTISSPEEKKCNNLRDLTQQERISLTCVQKATYLDCIKAIANNEADAISLDGGQAFEAGLAPYKLKPIAAEVYEH
TEGSTTSYYAVAVVKKGTEFTVNDLQGKTSCHTGLGRSAGWNIPIGTLLHRGAIEWEGIESGSVEQAVAKFFSASCVPGA
TIEQKLCRQCKGDPKTKCARNAPYSGYSGAFHCLKDGKGDVAFVKHTTVNENAPDQKDEYELLCLDGSRQPVDNYKTCNW
ARVAAHAVVARDDNKVEDIWSFLSKAQSDFGVDTKSDFHLFGPPGKKDPVLKDLLFKDSAIMLKRVPSLMDSQLYLGFEY
YSAIQSMR
SVIRWCTISSPEEKKCNNLRDLTQQERISLTCVQKATYLDCIKAIANNEADAISLDGGQAFEAGLAPYKLKPIAAEVYEH
TEGSTTSYYAVAVVKKGTEFTVNDLQGKTSCHTGLGRSAGWNIPIGTLLHRGAIEWEGIESGSVEQAVAKFFSASCVPGA
TIEQKLCRQCKGDPKTKCARNAPYSGYSGAFHCLKDGKGDVAFVKHTTVNENAPDQKDEYELLCLDGSRQPVDNYKTCNW
ARVAAHAVVARDDNKVEDIWSFLSKAQSDFGVDTKSDFHLFGPPGKKDPVLKDLLFKDSAIMLKRVPSLMDSQLYLGFEY
YSAIQSMR
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
chicken
Gallus
sample
9031
Gallus gallus
2.26
45.60
pdbx_database_status
software
software
repository
Initial release
Version format compliance
Version format compliance
Data collection
Other
Refinement description
Data collection
Refinement description
1
0
1994-10-15
1
1
2008-03-24
1
2
2011-07-13
1
3
2019-07-17
1
4
2019-08-14
_pdbx_database_status.process_site
_software.classification
_software.classification
HELIX
HELIX NAMES ARE SIMILAR TO HUMAN LACTOFERRIN (TABLE 3, J.
MOL. BIOL., VOL. 209, P. 711, 1993) WHICH ARE SIMILAR TO
THE RABBIT SERUM TRANSFERRIN STRUCTURE (BIOCHEMISTRY, VOL.
27, P. 5804, 1988).
HELIX NAMES FOR RESIDUES 167 - 174 ARE NOT NOTED IN
LACTOFERRIN STRUCTURE.
SHEET
IN SHEET RECORDS BELOW, STRAND NAMES ARE SAME AS HUMAN
LACTOFERRIN (TABLE 3, J. MOL. BIOL., VOL. 209, P. 711,
1993) WHICH ARE SAME AS THE RABBIT SERUM TRANSFERRIN
STRUCTURE (BIOCHEMISTRY, VOL. 27, P. 5804, 1988).
Y
BNL
1993-09-15
REL
REL
FE
FE (III) ION
CO3
CARBONATE ION
HOH
water
THERE IS A STRONG 2.3 ANGSTROMS H-BOND BETWEEN
NZ OF LYS 209 AND NZ OF LYS 301 WHICH IT IS
SUGGESTED FORMS A PH-SENSITIVE DI-LYSINE TRIGGER
THAT OPENS THE TWO DOMAINS OF THE N-LOBE AT LOW
PH AND FACILITATES FE(III) RELEASE.
SEQUENCE ADVISORY NOTICE
DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE.
SWISS-PROT ENTRY NAME: TRFE_CHICK
SWISS-PROT RESIDUE PDB SEQRES
NAME NUMBER NAME CHAIN SEQ/INSERT CODE
VAL 64 ALA 64
ILE 81 VAL 81
TRP 135 ARG 135
LEU 220 GLN 220
ASN 221 LYS 221
THE FOLLOWING RESIDUES ARE MISSING FROM THE N-TERMINUS
SEQUENCE NUMBER IS THAT FROM SWISS-PROT ENTRY
ALA 1
PRO 2
PRO 3
LYS 4
FE
333
2
FE
FE
333
A
CO3
334
3
CO3
CO3
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
339
4
HOH
HOH
339
A
HOH
340
4
HOH
HOH
340
A
HOH
341
4
HOH
HOH
341
A
HOH
342
4
HOH
HOH
342
A
HOH
343
4
HOH
HOH
343
A
HOH
344
4
HOH
HOH
344
A
HOH
345
4
HOH
HOH
345
A
HOH
346
4
HOH
HOH
346
A
HOH
347
4
HOH
HOH
347
A
HOH
348
4
HOH
HOH
348
A
HOH
349
4
HOH
HOH
349
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
354
4
HOH
HOH
354
A
HOH
355
4
HOH
HOH
355
A
HOH
356
4
HOH
HOH
356
A
HOH
357
4
HOH
HOH
357
A
HOH
358
4
HOH
HOH
358
A
HOH
359
4
HOH
HOH
359
A
HOH
360
4
HOH
HOH
360
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
367
4
HOH
HOH
367
A
HOH
368
4
HOH
HOH
368
A
HOH
369
4
HOH
HOH
369
A
HOH
370
4
HOH
HOH
370
A
HOH
371
4
HOH
HOH
371
A
HOH
372
4
HOH
HOH
372
A
HOH
373
4
HOH
HOH
373
A
HOH
374
4
HOH
HOH
374
A
HOH
375
4
HOH
HOH
375
A
HOH
376
4
HOH
HOH
376
A
HOH
377
4
HOH
HOH
377
A
HOH
378
4
HOH
HOH
378
A
HOH
379
4
HOH
HOH
379
A
HOH
380
4
HOH
HOH
380
A
HOH
381
4
HOH
HOH
381
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
386
4
HOH
HOH
386
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
393
4
HOH
HOH
393
A
HOH
394
4
HOH
HOH
394
A
HOH
500
4
HOH
HOH
500
A
HOH
501
4
HOH
HOH
501
A
HOH
502
4
HOH
HOH
502
A
HOH
503
4
HOH
HOH
503
A
HOH
504
4
HOH
HOH
504
A
HOH
505
4
HOH
HOH
505
A
HOH
506
4
HOH
HOH
506
A
HOH
507
4
HOH
HOH
507
A
HOH
508
4
HOH
HOH
508
A
HOH
509
4
HOH
HOH
509
A
HOH
510
4
HOH
HOH
510
A
HOH
511
4
HOH
HOH
511
A
HOH
512
4
HOH
HOH
512
A
HOH
513
4
HOH
HOH
513
A
HOH
514
4
HOH
HOH
514
A
HOH
515
4
HOH
HOH
515
A
HOH
516
4
HOH
HOH
516
A
HOH
517
4
HOH
HOH
517
A
HOH
518
4
HOH
HOH
518
A
HOH
519
4
HOH
HOH
519
A
HOH
520
4
HOH
HOH
520
A
HOH
521
4
HOH
HOH
521
A
HOH
522
4
HOH
HOH
522
A
HOH
523
4
HOH
HOH
523
A
HOH
524
4
HOH
HOH
524
A
HOH
525
4
HOH
HOH
525
A
HOH
526
4
HOH
HOH
526
A
HOH
527
4
HOH
HOH
527
A
HOH
528
4
HOH
HOH
528
A
HOH
529
4
HOH
HOH
529
A
HOH
530
4
HOH
HOH
530
A
HOH
531
4
HOH
HOH
531
A
HOH
532
4
HOH
HOH
532
A
HOH
533
4
HOH
HOH
533
A
HOH
534
4
HOH
HOH
534
A
HOH
535
4
HOH
HOH
535
A
HOH
536
4
HOH
HOH
536
A
HOH
537
4
HOH
HOH
537
A
HOH
538
4
HOH
HOH
538
A
HOH
539
4
HOH
HOH
539
A
HOH
540
4
HOH
HOH
540
A
HOH
541
4
HOH
HOH
541
A
HOH
542
4
HOH
HOH
542
A
HOH
543
4
HOH
HOH
543
A
HOH
544
4
HOH
HOH
544
A
HOH
545
4
HOH
HOH
545
A
HOH
546
4
HOH
HOH
546
A
HOH
547
4
HOH
HOH
547
A
SER
5
n
1
SER
5
A
VAL
6
n
2
VAL
6
A
ILE
7
n
3
ILE
7
A
ARG
8
n
4
ARG
8
A
TRP
9
n
5
TRP
9
A
CYS
10
n
6
CYS
10
A
THR
11
n
7
THR
11
A
ILE
12
n
8
ILE
12
A
SER
13
n
9
SER
13
A
SER
14
n
10
SER
14
A
PRO
15
n
11
PRO
15
A
GLU
16
n
12
GLU
16
A
GLU
17
n
13
GLU
17
A
LYS
18
n
14
LYS
18
A
LYS
19
n
15
LYS
19
A
CYS
20
n
16
CYS
20
A
ASN
21
n
17
ASN
21
A
ASN
22
n
18
ASN
22
A
LEU
23
n
19
LEU
23
A
ARG
24
n
20
ARG
24
A
ASP
25
n
21
ASP
25
A
LEU
26
n
22
LEU
26
A
THR
27
n
23
THR
27
A
GLN
28
n
24
GLN
28
A
GLN
29
n
25
GLN
29
A
GLU
30
n
26
GLU
30
A
ARG
31
n
27
ARG
31
A
ILE
32
n
28
ILE
32
A
SER
33
n
29
SER
33
A
LEU
34
n
30
LEU
34
A
THR
35
n
31
THR
35
A
CYS
36
n
32
CYS
36
A
VAL
37
n
33
VAL
37
A
GLN
38
n
34
GLN
38
A
LYS
39
n
35
LYS
39
A
ALA
40
n
36
ALA
40
A
THR
41
n
37
THR
41
A
TYR
42
n
38
TYR
42
A
LEU
43
n
39
LEU
43
A
ASP
44
n
40
ASP
44
A
CYS
45
n
41
CYS
45
A
ILE
46
n
42
ILE
46
A
LYS
47
n
43
LYS
47
A
ALA
48
n
44
ALA
48
A
ILE
49
n
45
ILE
49
A
ALA
50
n
46
ALA
50
A
ASN
51
n
47
ASN
51
A
ASN
52
n
48
ASN
52
A
GLU
53
n
49
GLU
53
A
ALA
54
n
50
ALA
54
A
ASP
55
n
51
ASP
55
A
ALA
56
n
52
ALA
56
A
ILE
57
n
53
ILE
57
A
SER
58
n
54
SER
58
A
LEU
59
n
55
LEU
59
A
ASP
60
n
56
ASP
60
A
GLY
61
n
57
GLY
61
A
GLY
62
n
58
GLY
62
A
GLN
63
n
59
GLN
63
A
ALA
64
n
60
ALA
64
A
PHE
65
n
61
PHE
65
A
GLU
66
n
62
GLU
66
A
ALA
67
n
63
ALA
67
A
GLY
68
n
64
GLY
68
A
LEU
69
n
65
LEU
69
A
ALA
70
n
66
ALA
70
A
PRO
71
n
67
PRO
71
A
TYR
72
n
68
TYR
72
A
LYS
73
n
69
LYS
73
A
LEU
74
n
70
LEU
74
A
LYS
75
n
71
LYS
75
A
PRO
76
n
72
PRO
76
A
ILE
77
n
73
ILE
77
A
ALA
78
n
74
ALA
78
A
ALA
79
n
75
ALA
79
A
GLU
80
n
76
GLU
80
A
VAL
81
n
77
VAL
81
A
TYR
82
n
78
TYR
82
A
GLU
83
n
79
GLU
83
A
HIS
84
n
80
HIS
84
A
THR
85
n
81
THR
85
A
GLU
86
n
82
GLU
86
A
GLY
87
n
83
GLY
87
A
SER
88
n
84
SER
88
A
THR
89
n
85
THR
89
A
THR
90
n
86
THR
90
A
SER
91
n
87
SER
91
A
TYR
92
n
88
TYR
92
A
TYR
93
n
89
TYR
93
A
ALA
94
n
90
ALA
94
A
VAL
95
n
91
VAL
95
A
ALA
96
n
92
ALA
96
A
VAL
97
n
93
VAL
97
A
VAL
98
n
94
VAL
98
A
LYS
99
n
95
LYS
99
A
LYS
100
n
96
LYS
100
A
GLY
101
n
97
GLY
101
A
THR
102
n
98
THR
102
A
GLU
103
n
99
GLU
103
A
PHE
104
n
100
PHE
104
A
THR
105
n
101
THR
105
A
VAL
106
n
102
VAL
106
A
ASN
107
n
103
ASN
107
A
ASP
108
n
104
ASP
108
A
LEU
109
n
105
LEU
109
A
GLN
110
n
106
GLN
110
A
GLY
111
n
107
GLY
111
A
LYS
112
n
108
LYS
112
A
THR
113
n
109
THR
113
A
SER
114
n
110
SER
114
A
CYS
115
n
111
CYS
115
A
HIS
116
n
112
HIS
116
A
THR
117
n
113
THR
117
A
GLY
118
n
114
GLY
118
A
LEU
119
n
115
LEU
119
A
GLY
120
n
116
GLY
120
A
ARG
121
n
117
ARG
121
A
SER
122
n
118
SER
122
A
ALA
123
n
119
ALA
123
A
GLY
124
n
120
GLY
124
A
TRP
125
n
121
TRP
125
A
ASN
126
n
122
ASN
126
A
ILE
127
n
123
ILE
127
A
PRO
128
n
124
PRO
128
A
ILE
129
n
125
ILE
129
A
GLY
130
n
126
GLY
130
A
THR
131
n
127
THR
131
A
LEU
132
n
128
LEU
132
A
LEU
133
n
129
LEU
133
A
HIS
134
n
130
HIS
134
A
ARG
135
n
131
ARG
135
A
GLY
136
n
132
GLY
136
A
ALA
137
n
133
ALA
137
A
ILE
138
n
134
ILE
138
A
GLU
139
n
135
GLU
139
A
TRP
140
n
136
TRP
140
A
GLU
141
n
137
GLU
141
A
GLY
142
n
138
GLY
142
A
ILE
143
n
139
ILE
143
A
GLU
144
n
140
GLU
144
A
SER
145
n
141
SER
145
A
GLY
146
n
142
GLY
146
A
SER
147
n
143
SER
147
A
VAL
148
n
144
VAL
148
A
GLU
149
n
145
GLU
149
A
GLN
150
n
146
GLN
150
A
ALA
151
n
147
ALA
151
A
VAL
152
n
148
VAL
152
A
ALA
153
n
149
ALA
153
A
LYS
154
n
150
LYS
154
A
PHE
155
n
151
PHE
155
A
PHE
156
n
152
PHE
156
A
SER
157
n
153
SER
157
A
ALA
158
n
154
ALA
158
A
SER
159
n
155
SER
159
A
CYS
160
n
156
CYS
160
A
VAL
161
n
157
VAL
161
A
PRO
162
n
158
PRO
162
A
GLY
163
n
159
GLY
163
A
ALA
164
n
160
ALA
164
A
THR
165
n
161
THR
165
A
ILE
166
n
162
ILE
166
A
GLU
167
n
163
GLU
167
A
GLN
168
n
164
GLN
168
A
LYS
169
n
165
LYS
169
A
LEU
170
n
166
LEU
170
A
CYS
171
n
167
CYS
171
A
ARG
172
n
168
ARG
172
A
GLN
173
n
169
GLN
173
A
CYS
174
n
170
CYS
174
A
LYS
175
n
171
LYS
175
A
GLY
176
n
172
GLY
176
A
ASP
177
n
173
ASP
177
A
PRO
178
n
174
PRO
178
A
LYS
179
n
175
LYS
179
A
THR
180
n
176
THR
180
A
LYS
181
n
177
LYS
181
A
CYS
182
n
178
CYS
182
A
ALA
183
n
179
ALA
183
A
ARG
184
n
180
ARG
184
A
ASN
185
n
181
ASN
185
A
ALA
186
n
182
ALA
186
A
PRO
187
n
183
PRO
187
A
TYR
188
n
184
TYR
188
A
SER
189
n
185
SER
189
A
GLY
190
n
186
GLY
190
A
TYR
191
n
187
TYR
191
A
SER
192
n
188
SER
192
A
GLY
193
n
189
GLY
193
A
ALA
194
n
190
ALA
194
A
PHE
195
n
191
PHE
195
A
HIS
196
n
192
HIS
196
A
CYS
197
n
193
CYS
197
A
LEU
198
n
194
LEU
198
A
LYS
199
n
195
LYS
199
A
ASP
200
n
196
ASP
200
A
GLY
201
n
197
GLY
201
A
LYS
202
n
198
LYS
202
A
GLY
203
n
199
GLY
203
A
ASP
204
n
200
ASP
204
A
VAL
205
n
201
VAL
205
A
ALA
206
n
202
ALA
206
A
PHE
207
n
203
PHE
207
A
VAL
208
n
204
VAL
208
A
LYS
209
n
205
LYS
209
A
HIS
210
n
206
HIS
210
A
THR
211
n
207
THR
211
A
THR
212
n
208
THR
212
A
VAL
213
n
209
VAL
213
A
ASN
214
n
210
ASN
214
A
GLU
215
n
211
GLU
215
A
ASN
216
n
212
ASN
216
A
ALA
217
n
213
ALA
217
A
PRO
218
n
214
PRO
218
A
ASP
219
n
215
ASP
219
A
GLN
220
n
216
GLN
220
A
LYS
221
n
217
LYS
221
A
ASP
222
n
218
ASP
222
A
GLU
223
n
219
GLU
223
A
TYR
224
n
220
TYR
224
A
GLU
225
n
221
GLU
225
A
LEU
226
n
222
LEU
226
A
LEU
227
n
223
LEU
227
A
CYS
228
n
224
CYS
228
A
LEU
229
n
225
LEU
229
A
ASP
230
n
226
ASP
230
A
GLY
231
n
227
GLY
231
A
SER
232
n
228
SER
232
A
ARG
233
n
229
ARG
233
A
GLN
234
n
230
GLN
234
A
PRO
235
n
231
PRO
235
A
VAL
236
n
232
VAL
236
A
ASP
237
n
233
ASP
237
A
ASN
238
n
234
ASN
238
A
TYR
239
n
235
TYR
239
A
LYS
240
n
236
LYS
240
A
THR
241
n
237
THR
241
A
CYS
242
n
238
CYS
242
A
ASN
243
n
239
ASN
243
A
TRP
244
n
240
TRP
244
A
ALA
245
n
241
ALA
245
A
ARG
246
n
242
ARG
246
A
VAL
247
n
243
VAL
247
A
ALA
248
n
244
ALA
248
A
ALA
249
n
245
ALA
249
A
HIS
250
n
246
HIS
250
A
ALA
251
n
247
ALA
251
A
VAL
252
n
248
VAL
252
A
VAL
253
n
249
VAL
253
A
ALA
254
n
250
ALA
254
A
ARG
255
n
251
ARG
255
A
ASP
256
n
252
ASP
256
A
ASP
257
n
253
ASP
257
A
ASN
258
n
254
ASN
258
A
LYS
259
n
255
LYS
259
A
VAL
260
n
256
VAL
260
A
GLU
261
n
257
GLU
261
A
ASP
262
n
258
ASP
262
A
ILE
263
n
259
ILE
263
A
TRP
264
n
260
TRP
264
A
SER
265
n
261
SER
265
A
PHE
266
n
262
PHE
266
A
LEU
267
n
263
LEU
267
A
SER
268
n
264
SER
268
A
LYS
269
n
265
LYS
269
A
ALA
270
n
266
ALA
270
A
GLN
271
n
267
GLN
271
A
SER
272
n
268
SER
272
A
ASP
273
n
269
ASP
273
A
PHE
274
n
270
PHE
274
A
GLY
275
n
271
GLY
275
A
VAL
276
n
272
VAL
276
A
ASP
277
n
273
ASP
277
A
THR
278
n
274
THR
278
A
LYS
279
n
275
LYS
279
A
SER
280
n
276
SER
280
A
ASP
281
n
277
ASP
281
A
PHE
282
n
278
PHE
282
A
HIS
283
n
279
HIS
283
A
LEU
284
n
280
LEU
284
A
PHE
285
n
281
PHE
285
A
GLY
286
n
282
GLY
286
A
PRO
287
n
283
PRO
287
A
PRO
288
n
284
PRO
288
A
GLY
289
n
285
GLY
289
A
LYS
290
n
286
LYS
290
A
LYS
291
n
287
LYS
291
A
ASP
292
n
288
ASP
292
A
PRO
293
n
289
PRO
293
A
VAL
294
n
290
VAL
294
A
LEU
295
n
291
LEU
295
A
LYS
296
n
292
LYS
296
A
ASP
297
n
293
ASP
297
A
LEU
298
n
294
LEU
298
A
LEU
299
n
295
LEU
299
A
PHE
300
n
296
PHE
300
A
LYS
301
n
297
LYS
301
A
ASP
302
n
298
ASP
302
A
SER
303
n
299
SER
303
A
ALA
304
n
300
ALA
304
A
ILE
305
n
301
ILE
305
A
MET
306
n
302
MET
306
A
LEU
307
n
303
LEU
307
A
LYS
308
n
304
LYS
308
A
ARG
309
n
305
ARG
309
A
VAL
310
n
306
VAL
310
A
PRO
311
n
307
PRO
311
A
SER
312
n
308
SER
312
A
LEU
313
n
309
LEU
313
A
MET
314
n
310
MET
314
A
ASP
315
n
311
ASP
315
A
SER
316
n
312
SER
316
A
GLN
317
n
313
GLN
317
A
LEU
318
n
314
LEU
318
A
TYR
319
n
315
TYR
319
A
LEU
320
n
316
LEU
320
A
GLY
321
n
317
GLY
321
A
PHE
322
n
318
PHE
322
A
GLU
323
n
319
GLU
323
A
TYR
324
n
320
TYR
324
A
TYR
325
n
321
TYR
325
A
SER
326
n
322
SER
326
A
ALA
327
n
323
ALA
327
A
ILE
328
n
324
ILE
328
A
GLN
329
n
325
GLN
329
A
SER
330
n
326
SER
330
A
MET
331
n
327
MET
331
A
ARG
332
n
328
ARG
332
A
author_defined_assembly
1
monomeric
A
ASP
60
A
OD1
ASP
56
1_555
A
FE
333
B
FE
FE
1_555
A
HIS
250
A
NE2
HIS
246
1_555
70.3
A
ASP
60
A
OD1
ASP
56
1_555
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O1
CO3
1_555
69.6
A
HIS
250
A
NE2
HIS
246
1_555
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O1
CO3
1_555
71.7
A
ASP
60
A
OD1
ASP
56
1_555
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O2
CO3
1_555
89.1
A
HIS
250
A
NE2
HIS
246
1_555
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O2
CO3
1_555
135.2
A
CO3
334
C
O1
CO3
1_555
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O2
CO3
1_555
63.8
A
ASP
60
A
OD1
ASP
56
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
92
A
OH
TYR
88
1_555
85.4
A
HIS
250
A
NE2
HIS
246
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
92
A
OH
TYR
88
1_555
84.6
A
CO3
334
C
O1
CO3
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
92
A
OH
TYR
88
1_555
149.9
A
CO3
334
C
O2
CO3
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
92
A
OH
TYR
88
1_555
134.4
A
ASP
60
A
OD1
ASP
56
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
147.0
A
HIS
250
A
NE2
HIS
246
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
79.7
A
CO3
334
C
O1
CO3
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
88.5
A
CO3
334
C
O2
CO3
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
103.4
A
TYR
92
A
OH
TYR
88
1_555
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
105.6
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
3.23
0.50
120.30
123.53
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
8
8
8
N
1
-6.63
0.90
118.30
111.67
A
A
A
CB
CG
OD1
ASP
ASP
ASP
25
25
25
N
1
6.70
0.90
118.30
125.00
A
A
A
CB
CG
OD1
ASP
ASP
ASP
60
60
60
N
1
-6.94
0.90
118.30
111.36
A
A
A
CB
CG
OD2
ASP
ASP
ASP
60
60
60
N
1
-3.80
0.50
120.30
116.50
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
121
121
121
N
1
-6.51
0.90
118.30
111.79
A
A
A
CB
CG
OD2
ASP
ASP
ASP
177
177
177
N
1
6.89
0.90
118.30
125.19
A
A
A
CB
CG
OD1
ASP
ASP
ASP
200
200
200
N
1
-5.98
0.90
118.30
112.32
A
A
A
CB
CG
OD2
ASP
ASP
ASP
200
200
200
N
1
-6.15
0.90
118.30
112.15
A
A
A
CB
CG
OD1
ASP
ASP
ASP
204
204
204
N
1
-5.67
0.90
118.30
112.63
A
A
A
CB
CG
OD1
ASP
ASP
ASP
219
219
219
N
1
5.72
0.90
118.30
124.02
A
A
A
CB
CG
OD2
ASP
ASP
ASP
219
219
219
N
1
3.04
0.50
120.30
123.34
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
255
255
255
N
1
5.53
0.90
118.30
123.83
A
A
A
CB
CG
OD1
ASP
ASP
ASP
262
262
262
N
1
-5.51
0.90
118.30
112.79
A
A
A
CB
CG
OD2
ASP
ASP
ASP
262
262
262
N
1
-7.33
0.90
118.30
110.97
A
A
A
CB
CG
OD1
ASP
ASP
ASP
277
277
277
N
1
6.07
0.90
118.30
124.37
A
A
A
CB
CG
OD2
ASP
ASP
ASP
277
277
277
N
1
5.84
0.90
118.30
124.14
A
A
A
CB
CG
OD1
ASP
ASP
ASP
292
292
292
N
1
-5.73
0.90
118.30
112.57
A
A
A
CB
CG
OD2
ASP
ASP
ASP
292
292
292
N
1
-8.85
0.90
118.30
109.45
A
A
A
CB
CG
OD1
ASP
ASP
ASP
297
297
297
N
1
6.95
0.90
118.30
125.25
A
A
A
CB
CG
OD2
ASP
ASP
ASP
297
297
297
N
1
6.76
0.90
118.30
125.06
A
A
A
CB
CG
OD1
ASP
ASP
ASP
315
315
315
N
1
-6.59
0.90
118.30
111.71
A
A
A
CB
CG
OD2
ASP
ASP
ASP
315
315
315
N
1
A
A
CD
OE1
GLU
GLU
80
80
-0.067
0.011
1.252
1.185
N
1
A
A
CD
OE1
GLU
GLU
86
86
0.071
0.011
1.252
1.323
N
1
A
A
CD
OE2
GLU
GLU
103
103
0.080
0.011
1.252
1.332
N
1
A
A
CD
OE2
GLU
GLU
139
139
0.073
0.011
1.252
1.325
N
1
A
A
CD
OE2
GLU
GLU
141
141
0.069
0.011
1.252
1.321
N
1
A
A
CD
OE2
GLU
GLU
144
144
0.106
0.011
1.252
1.358
N
1
A
A
CD
OE1
GLU
GLU
149
149
0.075
0.011
1.252
1.327
N
1
A
A
CD
OE2
GLU
GLU
261
261
0.084
0.011
1.252
1.336
N
1
A
A
CD
OE1
GLU
GLU
323
323
0.080
0.011
1.252
1.332
N
1
A
LEU
26
-88.43
33.85
1
A
THR
27
-140.23
-13.56
1
A
GLN
28
-57.47
-0.13
1
A
THR
35
163.43
134.50
1
A
GLU
86
-79.73
43.19
1
A
THR
90
-94.79
32.91
1
A
THR
102
-51.06
85.71
1
A
PHE
104
156.51
134.80
1
A
TRP
125
-155.28
-68.93
1
A
GLU
144
-69.67
6.70
1
A
SER
145
-167.25
86.49
1
A
SER
232
-57.74
178.31
1
A
ALA
245
171.62
163.40
1
A
ASP
257
-128.33
-164.24
1
A
VAL
260
-49.09
-16.91
1
A
LYS
290
-54.13
109.00
1
A
PRO
293
-32.67
-33.75
1
A
LEU
299
68.55
-54.05
1
A
SER
330
-57.94
-6.11
0.16
0.16
2.3
1
2.3
108
2646
5
0
2533
0.015
2.25
model building
X-PLOR
refinement
TNT
refinement
X-PLOR
phasing
X-PLOR
OVOTRANSFERRIN (MONOFERRIC N-TERMINAL HALF-MOLECULE)
STRUCTURAL EVIDENCE FOR A PH-SENSITIVE DI-LYSINE TRIGGER IN THE HEN OVOTRANSFERRIN N-LOBE: IMPLICATIONS FOR TRANSFERRIN IRON RELEASE
1
N
N
2
N
N
3
N
N
4
N
N
A
SER
14
A
SER
10
HELX_P
A
GLN
28
A
GLN
24
1
1
15
A
THR
41
A
THR
37
HELX_P
A
GLU
53
A
GLU
49
1
2
13
A
ASP
60
A
ASP
56
HELX_P
A
LEU
69
A
LEU
65
1
3
10
A
THR
105
A
THR
101
HELX_P
A
GLN
110
A
GLN
106
1
4
6
A
ARG
121
A
ARG
117
HELX_P
A
ARG
135
A
ARG
131
1
5
15
A
SER
147
A
SER
143
HELX_P
A
PHE
156
A
PHE
152
1
6
10
A
GLU
167
A
GLU
163
HELX_P
A
CYS
174
A
CYS
170
1
6A
8
A
GLY
190
A
GLY
186
HELX_P
A
GLY
201
A
GLY
197
1
7
12
A
HIS
210
A
HIS
206
HELX_P
A
ALA
217
A
ALA
213
1
8
8
A
PRO
218
A
PRO
214
HELX_P
A
GLU
223
A
GLU
219
1
8A
6
A
ASP
257
A
ASP
253
HELX_P
A
GLY
275
A
GLY
271
1
9
19
A
ASP
315
A
ASP
311
HELX_P
A
GLY
321
A
GLY
317
1
10
7
A
GLY
321
A
GLY
317
HELX_P
A
ARG
332
A
ARG
328
1
11
12
disulf
2.037
A
CYS
10
A
SG
CYS
6
1_555
A
CYS
45
A
SG
CYS
41
1_555
disulf
1.975
A
CYS
20
A
SG
CYS
16
1_555
A
CYS
36
A
SG
CYS
32
1_555
disulf
2.100
A
CYS
115
A
SG
CYS
111
1_555
A
CYS
197
A
SG
CYS
193
1_555
disulf
2.045
A
CYS
160
A
SG
CYS
156
1_555
A
CYS
174
A
SG
CYS
170
1_555
disulf
2.022
A
CYS
171
A
SG
CYS
167
1_555
A
CYS
182
A
SG
CYS
178
1_555
disulf
1.979
A
CYS
228
A
SG
CYS
224
1_555
A
CYS
242
A
SG
CYS
238
1_555
metalc
1.914
A
FE
333
B
FE
FE
1_555
A
ASP
60
A
OD1
ASP
56
1_555
metalc
2.261
A
FE
333
B
FE
FE
1_555
A
HIS
250
A
NE2
HIS
246
1_555
metalc
2.095
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O1
CO3
1_555
metalc
2.270
A
FE
333
B
FE
FE
1_555
A
CO3
334
C
O2
CO3
1_555
metalc
2.013
A
FE
333
B
FE
FE
1_555
A
TYR
92
A
OH
TYR
88
1_555
metalc
1.774
A
FE
333
B
FE
FE
1_555
A
TYR
191
A
OH
TYR
187
1_555
IRON TRANSPORT PROTEIN
IRON TRANSPORT PROTEIN
A
ALA
70
A
ALA
66
1
A
PRO
71
A
PRO
67
6.92
A
GLY
286
A
GLY
282
1
A
PRO
287
A
PRO
283
1.55
TRFE_CHICK
UNP
1
1
P02789
MKLILCTVLSLGIAAVCFAAPPKSVIRWCTISSPEEKKCNNLRDLTQQERISLTCVQKATYLDCIKAIANNEADAISLDG
GQAFEAGLAPYKLKPIAAEVYEHTEGSTTSYYAVAVVKKGTEFTVNDLQGKTSCHTGLGRSAGWNIPIGTLLHRGAIEWE
GIESGSVEQAVAKFFSASCVPGATIEQKLCRQCKGDPKTKCARNAPYSGYSGAFHCLKDGKGDVAFVKHTTVNENAPDQK
DEYELLCLDGSRQPVDNYKTCNWARVAAHAVVARDDNKVEDIWSFLSKAQSDFGVDTKSDFHLFGPPGKKDPVLKDLLFK
DSAIMLKRVPSLMDSQLYLGFEYYSAIQSMRKDQLTPSPRENRIQWCAVGKDEKSKCDRWSVVSNGDVECTVVDETKDCI
IKIMKGEADAVALDGGLVYTAGVCGLVPVMAERYDDESQCSKTDERPASYFAVAVARKDSNVNWNNLKGKKSCHTAVGRT
AGWVIPMGLIHNRTGTCNFDEYFSEGCAPGSPPNSRLCQLCQGSGGIPPEKCVASSHEKYFGYTGALRCLVEKGDVAFIQ
HSTVEENTGGKNKADWAKNLQMDDFELLCTDGRRANVMDYRECNLAEVPTHAVVVRPEKANKIRDLLERQEKRFGVNGSE
KSKFMMFESQNKDLLFKDLTKCLFKVREGTTYKEFLGDKFYTVISSLKTCNPSDILQMCSFLEGK
24
351
1NNT
5
332
P02789
A
1
1
328
11
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
A
SER
5
A
SER
1
A
THR
11
A
THR
7
A
ILE
32
A
ILE
28
A
LYS
39
A
LYS
35
A
ALA
54
A
ALA
50
A
LEU
59
A
LEU
55
A
LEU
74
A
LEU
70
A
TYR
82
A
TYR
78
A
SER
91
A
SER
87
A
LYS
100
A
LYS
96
A
LYS
112
A
LYS
108
A
HIS
116
A
HIS
112
A
ALA
158
A
ALA
154
A
VAL
161
A
VAL
157
A
VAL
205
A
VAL
201
A
LYS
209
A
LYS
205
A
TYR
224
A
TYR
220
A
CYS
228
A
CYS
224
A
ALA
245
A
ALA
241
A
ARG
255
A
ARG
251
A
MET
306
A
MET
302
A
PRO
311
A
PRO
307
BINDING SITE FOR RESIDUE FE A 333
Software
5
BINDING SITE FOR RESIDUE CO3 A 334
Software
7
A
ASP
60
A
ASP
56
5
1_555
A
TYR
92
A
TYR
88
5
1_555
A
TYR
191
A
TYR
187
5
1_555
A
HIS
250
A
HIS
246
5
1_555
A
CO3
334
C
CO3
5
1_555
A
ASP
60
A
ASP
56
7
1_555
A
THR
117
A
THR
113
7
1_555
A
ARG
121
A
ARG
117
7
1_555
A
ALA
123
A
ALA
119
7
1_555
A
TYR
191
A
TYR
187
7
1_555
A
HIS
250
A
HIS
246
7
1_555
A
FE
333
B
FE
7
1_555
19
P 21 21 21