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- PDB-7op2: Chadox1/ Chimpanzee adenovirus Y25 fiber knob protein -

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ID or keywords:

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Basic information

Entry
Database: PDB / ID: 7op2
TitleChadox1/ Chimpanzee adenovirus Y25 fiber knob protein
ComponentsFiber
KeywordsVIRAL PROTEIN / Fiber knob / adenovirus / fiber protein / spike / fiber / chimpanzee adenovirus / simian adenovirus / ChAdOx1 / ChAd-Y25 / Y25 / Chimp Ad / ChAdV-Y25 / cell binding / CAR
Function / homology
Function and homology information


adhesion receptor-mediated virion attachment to host cell / viral capsid / cell adhesion / symbiont entry into host cell / host cell nucleus
Similarity search - Function
Adenoviral fibre protein, knob / Adenoviral fibre protein (knob domain) / Adenoviral fibre protein, repeat/shaft region / Adenoviral fibre protein (repeat/shaft region) / Adenovirus fibre protein / Attachment protein shaft domain superfamily / Adenovirus pIV-like, attachment domain
Similarity search - Domain/homology
Biological speciesChimpanzee adenovirus Y25
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.59 Å
AuthorsRizkallah, P.J. / Baker, A.T. / Parker, A.L. / Teijeira Crespo, A. / Lipka-Lloyd, M.
Citation
Journal: Sci Adv / Year: 2021
Title: ChAdOx1 interacts with CAR and PF4 with implications for thrombosis with thrombocytopenia syndrome.
Authors: Alexander T Baker / Ryan J Boyd / Daipayan Sarkar / Alicia Teijeira-Crespo / Chun Kit Chan / Emily Bates / Kasim Waraich / John Vant / Eric Wilson / Chloe D Truong / Magdalena Lipka-Lloyd / ...Authors: Alexander T Baker / Ryan J Boyd / Daipayan Sarkar / Alicia Teijeira-Crespo / Chun Kit Chan / Emily Bates / Kasim Waraich / John Vant / Eric Wilson / Chloe D Truong / Magdalena Lipka-Lloyd / Petra Fromme / Josh Vermaas / Dewight Williams / LeeAnn Machiesky / Meike Heurich / Bolni M Nagalo / Lynda Coughlan / Scott Umlauf / Po-Lin Chiu / Pierre J Rizkallah / Taylor S Cohen / Alan L Parker / Abhishek Singharoy / Mitesh J Borad /
Abstract: Vaccines derived from chimpanzee adenovirus Y25 (ChAdOx1), human adenovirus type 26 (HAdV-D26), and human adenovirus type 5 (HAdV-C5) are critical in combatting the severe acute respiratory ...Vaccines derived from chimpanzee adenovirus Y25 (ChAdOx1), human adenovirus type 26 (HAdV-D26), and human adenovirus type 5 (HAdV-C5) are critical in combatting the severe acute respiratory coronavirus 2 (SARS-CoV-2) pandemic. As part of the largest vaccination campaign in history, ultrarare side effects not seen in phase 3 trials, including thrombosis with thrombocytopenia syndrome (TTS), a rare condition resembling heparin-induced thrombocytopenia (HIT), have been observed. This study demonstrates that all three adenoviruses deployed as vaccination vectors versus SARS-CoV-2 bind to platelet factor 4 (PF4), a protein implicated in the pathogenesis of HIT. We have determined the structure of the ChAdOx1 viral vector and used it in state-of-the-art computational simulations to demonstrate an electrostatic interaction mechanism with PF4, which was confirmed experimentally by surface plasmon resonance. These data confirm that PF4 is capable of forming stable complexes with clinically relevant adenoviruses, an important step in unraveling the mechanisms underlying TTS.
#1: Journal: Biorxiv / Year: 2021
Title: The Structure of ChAdOx1/AZD-1222 Reveals Interactions with CAR and PF4 with Implications for Vaccine-induced Immune Thrombotic Thrombocytopenia
Authors: Baker, A.T. / Boyd, R.J. / Sarkar, D. / Vant, J. / Crespo, A.T. / Truong, C.D. / Bates, E. / Wilson, E. / Chan, C.K. / Lipka-Lloyd, M. / Fromme, P. / Nagalo, M.B. / Heurich, M. / Williams, D. ...Authors: Baker, A.T. / Boyd, R.J. / Sarkar, D. / Vant, J. / Crespo, A.T. / Truong, C.D. / Bates, E. / Wilson, E. / Chan, C.K. / Lipka-Lloyd, M. / Fromme, P. / Nagalo, M.B. / Heurich, M. / Williams, D. / Chiu, P.L. / Rizkallah, P.J. / Parker, A.L. / Singharoy, A. / Borad, M.J.
History
DepositionMay 28, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 23, 2021Provider: repository / Type: Initial release
Revision 1.1Dec 29, 2021Group: Database references / Refinement description
Category: citation / citation_author ...citation / citation_author / database_2 / pdbx_refine_tls_group
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_refine_tls_group.beg_auth_seq_id / _pdbx_refine_tls_group.end_auth_seq_id
Revision 1.2Jan 31, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / pdbx_initial_refinement_model / struct_ncs_dom_lim
Item: _citation.journal_id_ISSN / _struct_ncs_dom_lim.beg_auth_comp_id ..._citation.journal_id_ISSN / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Fiber
B: Fiber
C: Fiber
D: Fiber
E: Fiber
F: Fiber
G: Fiber
H: Fiber
I: Fiber
J: Fiber
K: Fiber
L: Fiber
hetero molecules


Theoretical massNumber of molelcules
Total (without water)248,52137
Polymers246,93712
Non-polymers1,58425
Water21,7261206
1
A: Fiber
B: Fiber
C: Fiber
hetero molecules


Theoretical massNumber of molelcules
Total (without water)61,8986
Polymers61,7343
Non-polymers1643
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6570 Å2
ΔGint-28 kcal/mol
Surface area21710 Å2
MethodPISA
2
D: Fiber
E: Fiber
F: Fiber
hetero molecules


Theoretical massNumber of molelcules
Total (without water)62,24510
Polymers61,7343
Non-polymers5117
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7200 Å2
ΔGint-19 kcal/mol
Surface area22140 Å2
MethodPISA
3
G: Fiber
H: Fiber
I: Fiber
hetero molecules


Theoretical massNumber of molelcules
Total (without water)62,33313
Polymers61,7343
Non-polymers59910
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7440 Å2
ΔGint-14 kcal/mol
Surface area21830 Å2
MethodPISA
4
J: Fiber
K: Fiber
L: Fiber
hetero molecules


Theoretical massNumber of molelcules
Total (without water)62,0458
Polymers61,7343
Non-polymers3105
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6750 Å2
ΔGint-23 kcal/mol
Surface area21370 Å2
MethodPISA
Unit cell
Length a, b, c (Å)98.427, 112.260, 98.605
Angle α, β, γ (deg.)90.000, 92.610, 90.000
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13A
23D
14A
24E
15A
25F
16A
26G
17A
27H
18A
28I
19A
29J
110A
210K
111A
211L
112B
212C
113B
213D
114B
214E
115B
215F
116B
216G
117B
217H
118B
218I
119B
219J
120B
220K
121B
221L
122C
222D
123C
223E
124C
224F
125C
225G
126C
226H
127C
227I
128C
228J
129C
229K
130C
230L
131D
231E
132D
232F
133D
233G
134D
234H
135D
235I
136D
236J
137D
237K
138D
238L
139E
239F
140E
240G
141E
241H
142E
242I
143E
243J
144E
244K
145E
245L
146F
246G
147F
247H
148F
248I
149F
249J
150F
250K
151F
251L
152G
252H
153G
253I
154G
254J
155G
255K
156G
256L
157H
257I
158H
258J
159H
259K
160H
260L
161I
261J
162I
262K
163I
263L
164J
264K
165J
265L
166K
266L

NCS domain segments:

Component-ID: _ / Beg auth comp-ID: LYS / Beg label comp-ID: LYS / End auth comp-ID: GLU / End label comp-ID: GLU / Refine code: _ / Auth seq-ID: 186 - 372 / Label seq-ID: 1 - 187

Dom-IDEns-IDAuth asym-IDLabel asym-ID
11AA
21BB
12AA
22CC
13AA
23DD
14AA
24EE
15AA
25FF
16AA
26GG
17AA
27HH
18AA
28II
19AA
29JJ
110AA
210KK
111AA
211LL
112BB
212CC
113BB
213DD
114BB
214EE
115BB
215FF
116BB
216GG
117BB
217HH
118BB
218II
119BB
219JJ
120BB
220KK
121BB
221LL
122CC
222DD
123CC
223EE
124CC
224FF
125CC
225GG
126CC
226HH
127CC
227II
128CC
228JJ
129CC
229KK
130CC
230LL
131DD
231EE
132DD
232FF
133DD
233GG
134DD
234HH
135DD
235II
136DD
236JJ
137DD
237KK
138DD
238LL
139EE
239FF
140EE
240GG
141EE
241HH
142EE
242II
143EE
243JJ
144EE
244KK
145EE
245LL
146FF
246GG
147FF
247HH
148FF
248II
149FF
249JJ
150FF
250KK
151FF
251LL
152GG
252HH
153GG
253II
154GG
254JJ
155GG
255KK
156GG
256LL
157HH
257II
158HH
258JJ
159HH
259KK
160HH
260LL
161II
261JJ
162II
262KK
163II
263LL
164JJ
264KK
165JJ
265LL
166KK
266LL

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66

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Components

#1: Protein
Fiber


Mass: 20578.074 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Chimpanzee adenovirus Y25 / Production host: Escherichia coli (E. coli) / Variant (production host): sg13009 / References: UniProt: G9G864
#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 19 / Source method: obtained synthetically / Formula: C2H6O2
#4: Chemical ChemComp-TRS / 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / TRIS BUFFER


Mass: 122.143 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Formula: C4H12NO3 / Comment: pH buffer*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1206 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.2 Å3/Da / Density % sol: 44.19 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7
Details: 0.1 M CaCl2, 0.1 M MgCl2, 0.1 M PIPES pH7.0, 22.5 % v/v PEG Smear Medium and 0.2 M CaCl2, 0.1 M Tris pH8.0, 20 % w/v PEG 6000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.97628 Å
DetectorType: DECTRIS EIGER2 XE 16M / Detector: PIXEL / Date: May 17, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97628 Å / Relative weight: 1
Reflection twin
Crystal-IDIDOperatorDomain-IDFraction
11H, K, L10.897
11-h,-k,l20.103
ReflectionResolution: 1.59→74.04 Å / Num. obs: 286462 / % possible obs: 100 % / Redundancy: 12.7 % / CC1/2: 0.996 / Rmerge(I) obs: 0.288 / Rpim(I) all: 0.084 / Rrim(I) all: 0.3 / Net I/σ(I): 5.7 / Num. measured all: 3635051
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
1.59-1.6813.43.342557114416790.3670.9483.4760.899.9
5.03-74.0414.40.09413341192750.9980.0250.09719.7100

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Phasing

PhasingMethod: molecular replacement
Phasing MRModel details: Phaser MODE: MR_AUTO
Highest resolutionLowest resolution
Rotation1.65 Å74.04 Å
Translation1.65 Å74.04 Å

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Processing

Software
NameVersionClassification
REFMAC5.8.0267refinement
XDSdata reduction
PHASER2.8.3phasing
PDB_EXTRACT3.27data extraction
DIALSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1KNB
Resolution: 1.59→74.04 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.944 / WRfactor Rfree: 0.2195 / WRfactor Rwork: 0.198 / FOM work R set: 0.6293 / SU B: 8.813 / SU ML: 0.136 / SU R Cruickshank DPI: 0.1121 / SU Rfree: 0.1039 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.112 / ESU R Free: 0.104 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.2441 14210 5 %RANDOM
Rwork0.2238 ---
obs0.2248 271539 99.74 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 95.19 Å2 / Biso mean: 24.827 Å2 / Biso min: 12.2 Å2
Baniso -1Baniso -2Baniso -3
1-0.66 Å2-0 Å2-0 Å2
2---1.41 Å20 Å2
3---0.74 Å2
Refinement stepCycle: final / Resolution: 1.59→74.04 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms17093 0 104 1206 18403
Biso mean--29.72 31.27 -
Num. residues----2216
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.01318000
X-RAY DIFFRACTIONr_bond_other_d0.0010.01716522
X-RAY DIFFRACTIONr_angle_refined_deg1.4981.65624583
X-RAY DIFFRACTIONr_angle_other_deg1.3391.57538180
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.92752297
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.85324.404747
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.598152900
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.691541
X-RAY DIFFRACTIONr_chiral_restr0.0770.22535
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0220624
X-RAY DIFFRACTIONr_gen_planes_other0.0020.024106
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A57870.08
12B57870.08
21A58190.11
22C58190.11
31A60220.08
32D60220.08
41A59410.1
42E59410.1
51A58850.11
52F58850.11
61A60090.09
62G60090.09
71A57700.1
72H57700.1
81A58350.11
82I58350.11
91A60250.08
92J60250.08
101A57190.1
102K57190.1
111A57240.09
112L57240.09
121B58370.09
122C58370.09
131B58580.08
132D58580.08
141B58820.09
142E58820.09
151B58170.09
152F58170.09
161B58380.09
162G58380.09
171B58480.09
172H58480.09
181B58000.1
182I58000.1
191B57990.09
192J57990.09
201B58100.09
202K58100.09
211B58220.08
212L58220.08
221C58550.1
222D58550.1
231C58500.1
232E58500.1
241C58940.08
242F58940.08
251C58200.11
252G58200.11
261C57880.1
262H57880.1
271C58490.09
272I58490.09
281C57860.11
282J57860.11
291C58630.09
292K58630.09
301C58270.08
302L58270.08
311D59260.1
312E59260.1
321D59330.1
322F59330.1
331D60450.08
332G60450.08
341D57440.11
342H57440.11
351D58370.11
352I58370.11
361D59500.09
362J59500.09
371D57200.1
372K57200.1
381D57430.09
382L57430.09
391E59830.11
392F59830.11
401E59950.1
402G59950.1
411E58710.1
412H58710.1
421E59180.11
422I59180.11
431E59330.11
432J59330.11
441E58490.09
442K58490.09
451E58350.09
452L58350.09
461F58530.12
462G58530.12
471F56970.11
472H56970.11
481F59180.09
482I59180.09
491F58180.11
492J58180.11
501F56820.1
502K56820.1
511F57810.07
512L57810.07
521G57770.1
522H57770.1
531G58480.11
532I58480.11
541G59520.1
542J59520.1
551G57520.11
552K57520.11
561G57540.09
562L57540.09
571H56910.11
572I56910.11
581H57390.11
582J57390.11
591H57890.1
592K57890.1
601H57000.11
602L57000.11
611I57830.11
612J57830.11
621I56250.11
622K56250.11
631I57540.07
632L57540.07
641J56130.11
642K56130.11
651J56210.1
652L56210.1
661K56940.1
662L56940.1
LS refinement shellResolution: 1.59→1.631 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.421 1025 -
Rwork0.432 19563 -
all-20588 -
obs--97.77 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
11.19081.1009-0.03741.84750.02271.13170.0190.0241-0.0699-0.0681-0.0479-0.046-0.0150.0750.02890.198-0.006-0.01290.20150.00940.006161.904412.2995-15.6472
22.4185-0.1517-0.05551.4367-0.44721.60830.0513-0.30970.22030.217-0.08240.0267-0.17960.03850.0310.2796-0.0546-0.00380.2669-0.02480.023554.668313.398610.9721
31.9380.08490.70671.29150.09992.34650.0553-0.0581-0.16940.0465-0.05320.09530.1409-0.155-0.0020.2507-0.04420.00380.1829-0.00760.024640.4751-1.628-6.5326
40.96170.4149-0.12512.1652-0.09581.117-0.01230.0458-0.0091-0.0944-0.0287-0.131-0.03740.08040.04110.1783-0.00620.00230.1950.01190.009715.016537.6832-15.5657
53.0680.0067-0.22791.2304-0.33751.76920.0242-0.29510.34170.2725-0.01450.0011-0.229-0.0054-0.00970.2688-0.0156-0.00020.2274-0.01930.04038.553338.222511.3299
61.8314-0.24541.06581.2422-0.39261.64210.0121-0.0628-0.17280.07990.0020.0780.0907-0.0983-0.01410.1959-0.02350.01380.16920.00170.0287-6.376723.4962-6.2634
70.45560.37660.16292.2307-0.02780.8448-0.00590.05040.0417-0.0752-0.06010.0309-0.0228-0.03340.06590.1806-0.0089-0.01810.1862-0.00780.009133.2982-14.397732.5321
82.8343-0.23140.30371.28660.44241.85960.053-0.3542-0.20470.2849-0.067-0.03950.1396-0.12190.0140.3044-0.0749-0.01710.23660.02260.019437.3469-14.544359.8042
91.5906-0.1653-0.53461.20890.17561.7847-0.0197-0.02220.12150.0621-0.0191-0.1266-0.07110.14160.03880.2106-0.0503-0.03810.17120.01250.028853.5654-0.044543.9965
100.95370.7889-0.09232.43370.25951.2208-0.02610.12460.0351-0.2043-0.04740.1234-0.0194-0.11050.07350.20460.0054-0.0170.2101-0.01340.0098-13.520611.561232.1123
112.1343-0.0951-0.0761.40470.48521.67880.0002-0.2365-0.21970.2535-0.0468-0.01940.18460.03560.04670.2499-0.02080.00460.19040.0140.026-9.252110.961959.5211
121.7844-0.1211-0.9020.88610.20442.23860.02420.00860.1420.0006-0.0081-0.0722-0.13280.1687-0.01610.2362-0.0419-0.01760.17970.00670.01936.707925.35443.174
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A186 - 402
2X-RAY DIFFRACTION2B186 - 372
3X-RAY DIFFRACTION3C186 - 401
4X-RAY DIFFRACTION4D186 - 405
5X-RAY DIFFRACTION5E186 - 401
6X-RAY DIFFRACTION6F186 - 401
7X-RAY DIFFRACTION7G186 - 405
8X-RAY DIFFRACTION8H186 - 403
9X-RAY DIFFRACTION9I186 - 402
10X-RAY DIFFRACTION10J186 - 402
11X-RAY DIFFRACTION11K186 - 401
12X-RAY DIFFRACTION12L186 - 402

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