0.022217
0.000000
0.000000
0.000000
0.017298
0.000000
0.000000
0.000000
0.007375
0.00000
0.00000
0.00000
Yang, H.-W.
MacGillivray, R.T.A.
Chen, J.
Luo, Y.
Wang, Y.
Brayer, G.D.
Mason, A.
Woodworth, R.C.
Murphy, M.E.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.0
90.0
90.0
45.01
57.81
135.6
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
Protein Sci.
PRCIEI
0795
0961-8368
9
49
52
10739246
Crystal structures of two mutants (K206Q, H207E) of the N-lobe of human transferrin with increased affinity for iron.
2000
10.2210/pdb1d3k/pdb
pdb_00001d3k
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
IMAGE PLATE
RIGAKU RAXIS IIC
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU300
36407.363
SERUM TRANSFERRIN
N-TERMINAL LOBE
K206Q
1
man
polymer
60.009
CARBONATE ION
1
syn
non-polymer
55.845
FE (III) ION
1
syn
non-polymer
18.015
water
139
nat
water
no
no
DKTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVA
EFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCA
DGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVQHSTIFENLANKADRDQYELLCLDNTRKPVDEYKDCH
LAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTA
IRNLREGTC
DKTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVA
EFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCA
DGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVQHSTIFENLANKADRDQYELLCLDNTRKPVDEYKDCH
LAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTA
IRNLREGTC
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
n
human
Homo
BLOOD
SERUM
hamsters
sample
9606
Homo sapiens
10026
KIDNEY
Cricetinae
PLASMID
PNUT-BHK
1
2.42
49.21
VAPOR DIFFUSION, HANGING DROP
5.75
PEG 4000, sodium bicarbonate, sodium cacodylate, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
277.0
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
1
0
2000-03-01
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-11-03
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
recombinant human transferrin N-lobe
recombinant human transferrin N-lobe
H207E MUTANT OF HUMAN SERUM TRANSFERRIN
RCSB
Y
RCSB
1999-09-29
REL
REL
CO3
CARBONATE ION
FE
FE (III) ION
HOH
water
CO3
338
2
CO3
CO3
338
A
FE
339
3
FE
FE
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
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
395
4
HOH
HOH
395
A
HOH
396
4
HOH
HOH
396
A
HOH
397
4
HOH
HOH
397
A
HOH
398
4
HOH
HOH
398
A
HOH
399
4
HOH
HOH
399
A
HOH
400
4
HOH
HOH
400
A
HOH
401
4
HOH
HOH
401
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
408
4
HOH
HOH
408
A
HOH
409
4
HOH
HOH
409
A
HOH
410
4
HOH
HOH
410
A
HOH
411
4
HOH
HOH
411
A
HOH
412
4
HOH
HOH
412
A
HOH
413
4
HOH
HOH
413
A
HOH
414
4
HOH
HOH
414
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
420
4
HOH
HOH
420
A
HOH
421
4
HOH
HOH
421
A
HOH
422
4
HOH
HOH
422
A
HOH
423
4
HOH
HOH
423
A
HOH
424
4
HOH
HOH
424
A
HOH
425
4
HOH
HOH
425
A
HOH
426
4
HOH
HOH
426
A
HOH
427
4
HOH
HOH
427
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
436
4
HOH
HOH
436
A
HOH
437
4
HOH
HOH
437
A
HOH
438
4
HOH
HOH
438
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
446
4
HOH
HOH
446
A
HOH
447
4
HOH
HOH
447
A
HOH
448
4
HOH
HOH
448
A
HOH
449
4
HOH
HOH
449
A
HOH
450
4
HOH
HOH
450
A
HOH
451
4
HOH
HOH
451
A
HOH
452
4
HOH
HOH
452
A
HOH
453
4
HOH
HOH
453
A
HOH
454
4
HOH
HOH
454
A
HOH
455
4
HOH
HOH
455
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
464
4
HOH
HOH
464
A
HOH
465
4
HOH
HOH
465
A
HOH
466
4
HOH
HOH
466
A
HOH
467
4
HOH
HOH
467
A
HOH
468
4
HOH
HOH
468
A
HOH
469
4
HOH
HOH
469
A
HOH
470
4
HOH
HOH
470
A
HOH
472
4
HOH
HOH
472
A
HOH
473
4
HOH
HOH
473
A
HOH
474
4
HOH
HOH
474
A
HOH
477
4
HOH
HOH
477
A
HOH
478
4
HOH
HOH
478
A
HOH
479
4
HOH
HOH
479
A
HOH
481
4
HOH
HOH
481
A
HOH
485
4
HOH
HOH
485
A
HOH
487
4
HOH
HOH
487
A
HOH
489
4
HOH
HOH
489
A
HOH
490
4
HOH
HOH
490
A
ASP
3
n
1
ASP
3
A
LYS
4
n
2
LYS
4
A
THR
5
n
3
THR
5
A
VAL
6
n
4
VAL
6
A
ARG
7
n
5
ARG
7
A
TRP
8
n
6
TRP
8
A
CYS
9
n
7
CYS
9
A
ALA
10
n
8
ALA
10
A
VAL
11
n
9
VAL
11
A
SER
12
n
10
SER
12
A
GLU
13
n
11
GLU
13
A
HIS
14
n
12
HIS
14
A
GLU
15
n
13
GLU
15
A
ALA
16
n
14
ALA
16
A
THR
17
n
15
THR
17
A
LYS
18
n
16
LYS
18
A
CYS
19
n
17
CYS
19
A
GLN
20
n
18
GLN
20
A
SER
21
n
19
SER
21
A
PHE
22
n
20
PHE
22
A
ARG
23
n
21
ARG
23
A
ASP
24
n
22
ASP
24
A
HIS
25
n
23
HIS
25
A
MET
26
n
24
MET
26
A
LYS
27
n
25
LYS
27
A
SER
28
n
26
SER
28
A
VAL
29
n
27
VAL
29
A
ILE
30
n
28
ILE
30
A
PRO
31
n
29
PRO
31
A
SER
32
n
30
SER
32
A
ASP
33
n
31
ASP
33
A
GLY
34
n
32
GLY
34
A
PRO
35
n
33
PRO
35
A
SER
36
n
34
SER
36
A
VAL
37
n
35
VAL
37
A
ALA
38
n
36
ALA
38
A
CYS
39
n
37
CYS
39
A
VAL
40
n
38
VAL
40
A
LYS
41
n
39
LYS
41
A
LYS
42
n
40
LYS
42
A
ALA
43
n
41
ALA
43
A
SER
44
n
42
SER
44
A
TYR
45
n
43
TYR
45
A
LEU
46
n
44
LEU
46
A
ASP
47
n
45
ASP
47
A
CYS
48
n
46
CYS
48
A
ILE
49
n
47
ILE
49
A
ARG
50
n
48
ARG
50
A
ALA
51
n
49
ALA
51
A
ILE
52
n
50
ILE
52
A
ALA
53
n
51
ALA
53
A
ALA
54
n
52
ALA
54
A
ASN
55
n
53
ASN
55
A
GLU
56
n
54
GLU
56
A
ALA
57
n
55
ALA
57
A
ASP
58
n
56
ASP
58
A
ALA
59
n
57
ALA
59
A
VAL
60
n
58
VAL
60
A
THR
61
n
59
THR
61
A
LEU
62
n
60
LEU
62
A
ASP
63
n
61
ASP
63
A
ALA
64
n
62
ALA
64
A
GLY
65
n
63
GLY
65
A
LEU
66
n
64
LEU
66
A
VAL
67
n
65
VAL
67
A
TYR
68
n
66
TYR
68
A
ASP
69
n
67
ASP
69
A
ALA
70
n
68
ALA
70
A
TYR
71
n
69
TYR
71
A
LEU
72
n
70
LEU
72
A
ALA
73
n
71
ALA
73
A
PRO
74
n
72
PRO
74
A
ASN
75
n
73
ASN
75
A
ASN
76
n
74
ASN
76
A
LEU
77
n
75
LEU
77
A
LYS
78
n
76
LYS
78
A
PRO
79
n
77
PRO
79
A
VAL
80
n
78
VAL
80
A
VAL
81
n
79
VAL
81
A
ALA
82
n
80
ALA
82
A
GLU
83
n
81
GLU
83
A
PHE
84
n
82
PHE
84
A
TYR
85
n
83
TYR
85
A
GLY
86
n
84
GLY
86
A
SER
87
n
85
SER
87
A
LYS
88
n
86
LYS
88
A
GLU
89
n
87
GLU
89
A
ASP
90
n
88
ASP
90
A
PRO
91
n
89
PRO
91
A
GLN
92
n
90
GLN
92
A
THR
93
n
91
THR
93
A
PHE
94
n
92
PHE
94
A
TYR
95
n
93
TYR
95
A
TYR
96
n
94
TYR
96
A
ALA
97
n
95
ALA
97
A
VAL
98
n
96
VAL
98
A
ALA
99
n
97
ALA
99
A
VAL
100
n
98
VAL
100
A
VAL
101
n
99
VAL
101
A
LYS
102
n
100
LYS
102
A
LYS
103
n
101
LYS
103
A
ASP
104
n
102
ASP
104
A
SER
105
n
103
SER
105
A
GLY
106
n
104
GLY
106
A
PHE
107
n
105
PHE
107
A
GLN
108
n
106
GLN
108
A
MET
109
n
107
MET
109
A
ASN
110
n
108
ASN
110
A
GLN
111
n
109
GLN
111
A
LEU
112
n
110
LEU
112
A
ARG
113
n
111
ARG
113
A
GLY
114
n
112
GLY
114
A
LYS
115
n
113
LYS
115
A
LYS
116
n
114
LYS
116
A
SER
117
n
115
SER
117
A
CYS
118
n
116
CYS
118
A
HIS
119
n
117
HIS
119
A
THR
120
n
118
THR
120
A
GLY
121
n
119
GLY
121
A
LEU
122
n
120
LEU
122
A
GLY
123
n
121
GLY
123
A
ARG
124
n
122
ARG
124
A
SER
125
n
123
SER
125
A
ALA
126
n
124
ALA
126
A
GLY
127
n
125
GLY
127
A
TRP
128
n
126
TRP
128
A
ASN
129
n
127
ASN
129
A
ILE
130
n
128
ILE
130
A
PRO
131
n
129
PRO
131
A
ILE
132
n
130
ILE
132
A
GLY
133
n
131
GLY
133
A
LEU
134
n
132
LEU
134
A
LEU
135
n
133
LEU
135
A
TYR
136
n
134
TYR
136
A
CYS
137
n
135
CYS
137
A
ASP
138
n
136
ASP
138
A
LEU
139
n
137
LEU
139
A
PRO
140
n
138
PRO
140
A
GLU
141
n
139
GLU
141
A
PRO
142
n
140
PRO
142
A
ARG
143
n
141
ARG
143
A
LYS
144
n
142
LYS
144
A
PRO
145
n
143
PRO
145
A
LEU
146
n
144
LEU
146
A
GLU
147
n
145
GLU
147
A
LYS
148
n
146
LYS
148
A
ALA
149
n
147
ALA
149
A
VAL
150
n
148
VAL
150
A
ALA
151
n
149
ALA
151
A
ASN
152
n
150
ASN
152
A
PHE
153
n
151
PHE
153
A
PHE
154
n
152
PHE
154
A
SER
155
n
153
SER
155
A
GLY
156
n
154
GLY
156
A
SER
157
n
155
SER
157
A
CYS
158
n
156
CYS
158
A
ALA
159
n
157
ALA
159
A
PRO
160
n
158
PRO
160
A
CYS
161
n
159
CYS
161
A
ALA
162
n
160
ALA
162
A
ASP
163
n
161
ASP
163
A
GLY
164
n
162
GLY
164
A
THR
165
n
163
THR
165
A
ASP
166
n
164
ASP
166
A
PHE
167
n
165
PHE
167
A
PRO
168
n
166
PRO
168
A
GLN
169
n
167
GLN
169
A
LEU
170
n
168
LEU
170
A
CYS
171
n
169
CYS
171
A
GLN
172
n
170
GLN
172
A
LEU
173
n
171
LEU
173
A
CYS
174
n
172
CYS
174
A
PRO
175
n
173
PRO
175
A
GLY
176
n
174
GLY
176
A
CYS
177
n
175
CYS
177
A
GLY
178
n
176
GLY
178
A
CYS
179
n
177
CYS
179
A
SER
180
n
178
SER
180
A
THR
181
n
179
THR
181
A
LEU
182
n
180
LEU
182
A
ASN
183
n
181
ASN
183
A
GLN
184
n
182
GLN
184
A
TYR
185
n
183
TYR
185
A
PHE
186
n
184
PHE
186
A
GLY
187
n
185
GLY
187
A
TYR
188
n
186
TYR
188
A
SER
189
n
187
SER
189
A
GLY
190
n
188
GLY
190
A
ALA
191
n
189
ALA
191
A
PHE
192
n
190
PHE
192
A
LYS
193
n
191
LYS
193
A
CYS
194
n
192
CYS
194
A
LEU
195
n
193
LEU
195
A
LYS
196
n
194
LYS
196
A
ASP
197
n
195
ASP
197
A
GLY
198
n
196
GLY
198
A
ALA
199
n
197
ALA
199
A
GLY
200
n
198
GLY
200
A
ASP
201
n
199
ASP
201
A
VAL
202
n
200
VAL
202
A
ALA
203
n
201
ALA
203
A
PHE
204
n
202
PHE
204
A
VAL
205
n
203
VAL
205
A
GLN
206
n
204
GLN
206
A
HIS
207
n
205
HIS
207
A
SER
208
n
206
SER
208
A
THR
209
n
207
THR
209
A
ILE
210
n
208
ILE
210
A
PHE
211
n
209
PHE
211
A
GLU
212
n
210
GLU
212
A
ASN
213
n
211
ASN
213
A
LEU
214
n
212
LEU
214
A
ALA
215
n
213
ALA
215
A
ASN
216
n
214
ASN
216
A
LYS
217
n
215
LYS
217
A
ALA
218
n
216
ALA
218
A
ASP
219
n
217
ASP
219
A
ARG
220
n
218
ARG
220
A
ASP
221
n
219
ASP
221
A
GLN
222
n
220
GLN
222
A
TYR
223
n
221
TYR
223
A
GLU
224
n
222
GLU
224
A
LEU
225
n
223
LEU
225
A
LEU
226
n
224
LEU
226
A
CYS
227
n
225
CYS
227
A
LEU
228
n
226
LEU
228
A
ASP
229
n
227
ASP
229
A
ASN
230
n
228
ASN
230
A
THR
231
n
229
THR
231
A
ARG
232
n
230
ARG
232
A
LYS
233
n
231
LYS
233
A
PRO
234
n
232
PRO
234
A
VAL
235
n
233
VAL
235
A
ASP
236
n
234
ASP
236
A
GLU
237
n
235
GLU
237
A
TYR
238
n
236
TYR
238
A
LYS
239
n
237
LYS
239
A
ASP
240
n
238
ASP
240
A
CYS
241
n
239
CYS
241
A
HIS
242
n
240
HIS
242
A
LEU
243
n
241
LEU
243
A
ALA
244
n
242
ALA
244
A
GLN
245
n
243
GLN
245
A
VAL
246
n
244
VAL
246
A
PRO
247
n
245
PRO
247
A
SER
248
n
246
SER
248
A
HIS
249
n
247
HIS
249
A
THR
250
n
248
THR
250
A
VAL
251
n
249
VAL
251
A
VAL
252
n
250
VAL
252
A
ALA
253
n
251
ALA
253
A
ARG
254
n
252
ARG
254
A
SER
255
n
253
SER
255
A
MET
256
n
254
MET
256
A
GLY
257
n
255
GLY
257
A
GLY
258
n
256
GLY
258
A
LYS
259
n
257
LYS
259
A
GLU
260
n
258
GLU
260
A
ASP
261
n
259
ASP
261
A
LEU
262
n
260
LEU
262
A
ILE
263
n
261
ILE
263
A
TRP
264
n
262
TRP
264
A
GLU
265
n
263
GLU
265
A
LEU
266
n
264
LEU
266
A
LEU
267
n
265
LEU
267
A
ASN
268
n
266
ASN
268
A
GLN
269
n
267
GLN
269
A
ALA
270
n
268
ALA
270
A
GLN
271
n
269
GLN
271
A
GLU
272
n
270
GLU
272
A
HIS
273
n
271
HIS
273
A
PHE
274
n
272
PHE
274
A
GLY
275
n
273
GLY
275
A
LYS
276
n
274
LYS
276
A
ASP
277
n
275
ASP
277
A
LYS
278
n
276
LYS
278
A
SER
279
n
277
SER
279
A
LYS
280
n
278
LYS
280
A
GLU
281
n
279
GLU
281
A
PHE
282
n
280
PHE
282
A
GLN
283
n
281
GLN
283
A
LEU
284
n
282
LEU
284
A
PHE
285
n
283
PHE
285
A
SER
286
n
284
SER
286
A
SER
287
n
285
SER
287
A
PRO
288
n
286
PRO
288
A
HIS
289
n
287
HIS
289
A
GLY
290
n
288
GLY
290
A
LYS
291
n
289
LYS
291
A
ASP
292
n
290
ASP
292
A
LEU
293
n
291
LEU
293
A
LEU
294
n
292
LEU
294
A
PHE
295
n
293
PHE
295
A
LYS
296
n
294
LYS
296
A
ASP
297
n
295
ASP
297
A
SER
298
n
296
SER
298
A
ALA
299
n
297
ALA
299
A
HIS
300
n
298
HIS
300
A
GLY
301
n
299
GLY
301
A
PHE
302
n
300
PHE
302
A
LEU
303
n
301
LEU
303
A
LYS
304
n
302
LYS
304
A
VAL
305
n
303
VAL
305
A
PRO
306
n
304
PRO
306
A
PRO
307
n
305
PRO
307
A
ARG
308
n
306
ARG
308
A
MET
309
n
307
MET
309
A
ASP
310
n
308
ASP
310
A
ALA
311
n
309
ALA
311
A
LYS
312
n
310
LYS
312
A
MET
313
n
311
MET
313
A
TYR
314
n
312
TYR
314
A
LEU
315
n
313
LEU
315
A
GLY
316
n
314
GLY
316
A
TYR
317
n
315
TYR
317
A
GLU
318
n
316
GLU
318
A
TYR
319
n
317
TYR
319
A
VAL
320
n
318
VAL
320
A
THR
321
n
319
THR
321
A
ALA
322
n
320
ALA
322
A
ILE
323
n
321
ILE
323
A
ARG
324
n
322
ARG
324
A
ASN
325
n
323
ASN
325
A
LEU
326
n
324
LEU
326
A
ARG
327
n
325
ARG
327
A
GLU
328
n
326
GLU
328
A
GLY
329
n
327
GLY
329
A
THR
330
n
328
THR
330
A
CYS
331
n
329
CYS
331
A
author_defined_assembly
1
monomeric
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
A
TYR
95
A
OH
TYR
93
1_555
87.7
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
A
TYR
188
A
OH
TYR
186
1_555
175.9
A
TYR
95
A
OH
TYR
93
1_555
A
FE
339
C
FE
FE
1_555
A
TYR
188
A
OH
TYR
186
1_555
95.6
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
A
HIS
249
A
NE2
HIS
247
1_555
88.0
A
TYR
95
A
OH
TYR
93
1_555
A
FE
339
C
FE
FE
1_555
A
HIS
249
A
NE2
HIS
247
1_555
96.9
A
TYR
188
A
OH
TYR
186
1_555
A
FE
339
C
FE
FE
1_555
A
HIS
249
A
NE2
HIS
247
1_555
89.2
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O1
CO3
1_555
86.5
A
TYR
95
A
OH
TYR
93
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O1
CO3
1_555
94.6
A
TYR
188
A
OH
TYR
186
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O1
CO3
1_555
95.7
A
HIS
249
A
NE2
HIS
247
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O1
CO3
1_555
167.0
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O2
CO3
1_555
88.1
A
TYR
95
A
OH
TYR
93
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O2
CO3
1_555
155.3
A
TYR
188
A
OH
TYR
186
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O2
CO3
1_555
89.9
A
HIS
249
A
NE2
HIS
247
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O2
CO3
1_555
107.3
A
CO3
338
B
O1
CO3
1_555
A
FE
339
C
FE
FE
1_555
A
CO3
338
B
O2
CO3
1_555
60.8
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
6
A
N
VAL
4
A
O
SER
36
A
O
SER
34
A
N
LEU
62
A
N
LEU
60
A
O
THR
250
A
O
THR
248
A
O
ALA
253
A
O
ALA
251
A
N
LYS
78
A
N
LYS
76
A
N
PHE
84
A
N
PHE
82
A
O
GLY
301
A
O
GLY
299
A
N
CYS
158
A
N
CYS
156
A
O
SER
117
A
O
SER
115
A
N
CYS
118
A
N
CYS
116
A
O
VAL
202
A
O
VAL
200
A
O
VAL
205
A
O
VAL
203
A
N
VAL
98
A
N
VAL
96
A
N
VAL
101
A
N
VAL
99
A
O
GLU
224
A
O
GLU
222
A
N
LEU
225
A
N
LEU
223
A
O
LYS
233
A
O
LYS
231
A
N
CYS
158
A
N
CYS
156
A
O
SER
117
A
O
SER
115
A
N
CYS
118
A
N
CYS
116
A
O
VAL
202
A
O
VAL
200
A
O
VAL
205
A
O
VAL
203
A
N
VAL
98
A
N
VAL
96
A
N
ALA
97
A
N
ALA
95
A
O
ALA
244
A
O
ALA
242
1
A
LYS
4
105.52
166.99
1
A
SER
12
74.17
-176.79
1
A
SER
125
-53.40
-71.17
1
A
TRP
128
-143.46
-61.65
1
A
CYS
161
80.29
-5.65
1
A
CYS
174
-151.84
78.32
1
A
CYS
179
-98.73
46.23
1
A
CYS
241
-154.79
73.94
1
A
LEU
294
74.03
-47.55
1
A
GLU
328
-100.41
-67.57
0.225
0.184
1.8
35
2273
30624
30083
RANDOM
1
2
0
Engh & Huber
1.8
35
139
2695
5
0
2551
0.008
1.41
24.4
1.80
35.0
1D3K
33702
30624
0
0
0.069
1
15.3
2.9
91
0.284
1.80
1.86
3159
2.8
96
data reduction
DENZO
data scaling
SCALEPACK
refinement
XTALVIEW
refinement
X-PLOR
3.851
HUMAN SERUM TRANSFERRIN
1
N
N
2
N
N
3
N
N
4
N
N
A
SER
12
A
SER
10
HELX_P
A
ILE
30
A
ILE
28
1
1
19
A
SER
44
A
SER
42
HELX_P
A
ALA
54
A
ALA
52
1
2
11
A
ASP
63
A
ASP
61
HELX_P
A
LEU
72
A
LEU
70
1
3
10
A
GLN
108
A
GLN
106
HELX_P
A
LEU
112
A
LEU
110
5
4
5
A
TRP
128
A
TRP
126
HELX_P
A
TYR
136
A
TYR
134
1
5
9
A
PRO
145
A
PRO
143
HELX_P
A
PHE
154
A
PHE
152
1
6
10
A
PHE
167
A
PHE
165
HELX_P
A
GLN
172
A
GLN
170
5
7
6
A
PHE
186
A
PHE
184
HELX_P
A
ASP
197
A
ASP
195
1
8
12
A
SER
208
A
SER
206
HELX_P
A
LEU
214
A
LEU
212
1
9
7
A
ASN
216
A
ASN
214
HELX_P
A
ASP
221
A
ASP
219
1
10
6
A
ASP
236
A
ASP
234
HELX_P
A
CYS
241
A
CYS
239
5
11
6
A
LYS
259
A
LYS
257
HELX_P
A
GLY
275
A
GLY
273
1
12
17
A
ASP
310
A
ASP
308
HELX_P
A
GLY
316
A
GLY
314
1
13
7
A
GLY
316
A
GLY
314
HELX_P
A
GLU
328
A
GLU
326
1
14
13
disulf
2.016
A
CYS
9
A
SG
CYS
7
1_555
A
CYS
48
A
SG
CYS
46
1_555
disulf
2.028
A
CYS
19
A
SG
CYS
17
1_555
A
CYS
39
A
SG
CYS
37
1_555
disulf
2.032
A
CYS
118
A
SG
CYS
116
1_555
A
CYS
194
A
SG
CYS
192
1_555
disulf
2.030
A
CYS
137
A
SG
CYS
135
1_555
A
CYS
331
A
SG
CYS
329
1_555
disulf
2.028
A
CYS
158
A
SG
CYS
156
1_555
A
CYS
174
A
SG
CYS
172
1_555
disulf
2.025
A
CYS
161
A
SG
CYS
159
1_555
A
CYS
179
A
SG
CYS
177
1_555
disulf
2.033
A
CYS
171
A
SG
CYS
169
1_555
A
CYS
177
A
SG
CYS
175
1_555
disulf
2.023
A
CYS
227
A
SG
CYS
225
1_555
A
CYS
241
A
SG
CYS
239
1_555
metalc
2.039
A
ASP
63
A
OD1
ASP
61
1_555
A
FE
339
C
FE
FE
1_555
metalc
1.900
A
TYR
95
A
OH
TYR
93
1_555
A
FE
339
C
FE
FE
1_555
metalc
1.856
A
TYR
188
A
OH
TYR
186
1_555
A
FE
339
C
FE
FE
1_555
metalc
2.107
A
HIS
249
A
NE2
HIS
247
1_555
A
FE
339
C
FE
FE
1_555
metalc
1.997
A
CO3
338
B
O1
CO3
1_555
A
FE
339
C
FE
FE
1_555
metalc
2.264
A
CO3
338
B
O2
CO3
1_555
A
FE
339
C
FE
FE
1_555
METAL TRANSPORT
IRON TRANSPORT, GLYCOPROTEIN, TRANSFERRIN, NLOBE, IRON-RELEASE, CARBONATE, METAL TRANSPORT
A
ALA
73
A
ALA
71
1
A
PRO
74
A
PRO
72
0.41
A
GLU
141
A
GLU
139
1
A
PRO
142
A
PRO
140
-0.71
A
LYS
144
A
LYS
142
1
A
PRO
145
A
PRO
143
0.18
TRFE_HUMAN
UNP
1
P02787
22
350
1D3K
3
331
P02787
A
1
1
329
1
LYS
engineered mutation
GLN
206
1D3K
A
P02787
UNP
225
204
2
4
6
5
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
anti-parallel
anti-parallel
A
LYS
4
A
LYS
2
A
VAL
11
A
VAL
9
A
PRO
35
A
PRO
33
A
LYS
42
A
LYS
40
A
VAL
60
A
VAL
58
A
LEU
62
A
LEU
60
A
THR
250
A
THR
248
A
ALA
253
A
ALA
251
A
LYS
78
A
LYS
76
A
PHE
84
A
PHE
82
A
GLY
301
A
GLY
299
A
LYS
304
A
LYS
302
A
SER
157
A
SER
155
A
CYS
158
A
CYS
156
A
SER
117
A
SER
115
A
HIS
119
A
HIS
117
A
VAL
202
A
VAL
200
A
GLN
206
A
GLN
204
A
PHE
94
A
PHE
92
A
LYS
102
A
LYS
100
A
TYR
223
A
TYR
221
A
LEU
226
A
LEU
224
A
ARG
232
A
ARG
230
A
PRO
234
A
PRO
232
A
SER
157
A
SER
155
A
CYS
158
A
CYS
156
A
SER
117
A
SER
115
A
HIS
119
A
HIS
117
A
VAL
202
A
VAL
200
A
GLN
206
A
GLN
204
A
PHE
94
A
PHE
92
A
LYS
102
A
LYS
100
A
ALA
244
A
ALA
242
A
PRO
247
A
PRO
245
BINDING SITE FOR RESIDUE CO3 A 338
A
CO3
338
Software
9
BINDING SITE FOR RESIDUE FE A 339
A
FE
339
Software
5
A
ASP
63
A
ASP
61
9
1_555
A
TYR
95
A
TYR
93
9
1_555
A
THR
120
A
THR
118
9
1_555
A
ARG
124
A
ARG
122
9
1_555
A
ALA
126
A
ALA
124
9
1_555
A
GLY
127
A
GLY
125
9
1_555
A
TYR
188
A
TYR
186
9
1_555
A
HIS
249
A
HIS
247
9
1_555
A
FE
339
C
FE
9
1_555
A
ASP
63
A
ASP
61
5
1_555
A
TYR
95
A
TYR
93
5
1_555
A
TYR
188
A
TYR
186
5
1_555
A
HIS
249
A
HIS
247
5
1_555
A
CO3
338
B
CO3
5
1_555
19
P 21 21 21