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- PDB-4rkd: Psychrophilic aromatic amino acids aminotransferase from Psychrob... -

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Basic information

Entry
Database: PDB / ID: 4rkd
TitlePsychrophilic aromatic amino acids aminotransferase from Psychrobacter sp. B6 cocrystalized with aspartic acid
ComponentsAromatic amino acid aminotransferase
KeywordsTRANSFERASE / AMINOTRANSFERASE / AROMATIC SUBSTRATES / PLP dependent ENZYME
Function / homology
Function and homology information


Transferases; Transferring nitrogenous groups; Transaminases / amino acid metabolic process / transaminase activity / biosynthetic process / pyridoxal phosphate binding
Similarity search - Function
Aspartate/other aminotransferase / Aminotransferases, class-I, pyridoxal-phosphate-binding site / Aminotransferases class-I pyridoxal-phosphate attachment site. / Aminotransferase, class I/classII / Aminotransferase class I and II / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain ...Aspartate/other aminotransferase / Aminotransferases, class-I, pyridoxal-phosphate-binding site / Aminotransferases class-I pyridoxal-phosphate attachment site. / Aminotransferase, class I/classII / Aminotransferase class I and II / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-KET / OXALOACETATE ION / PYRIDOXAL-5'-PHOSPHATE / 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE / Aminotransferase
Similarity search - Component
Biological speciesPsychrobacter sp. B6 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.76 Å
AuthorsBujacz, A. / Rutkiewicz-Krotewicz, M. / Bujacz, G. / Nowakowska-Sapota, K. / Turkiewicz, M.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2015
Title: Crystal structure and enzymatic properties of a broad substrate-specificity psychrophilic aminotransferase from the Antarctic soil bacterium Psychrobacter sp. B6.
Authors: Bujacz, A. / Rutkiewicz-Krotewicz, M. / Nowakowska-Sapota, K. / Turkiewicz, M.
History
DepositionOct 12, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 11, 2015Provider: repository / Type: Initial release
Revision 1.1Mar 18, 2015Group: Database references
Revision 1.2Apr 15, 2015Group: Database references
Revision 1.3Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_conn_type / struct_ncs_dom_lim / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _struct_conn.ptnr1_auth_asym_id / _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_asym_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_conn_type.id / _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 / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Aromatic amino acid aminotransferase
B: Aromatic amino acid aminotransferase
C: Aromatic amino acid aminotransferase
D: Aromatic amino acid aminotransferase
E: Aromatic amino acid aminotransferase
F: Aromatic amino acid aminotransferase
G: Aromatic amino acid aminotransferase
H: Aromatic amino acid aminotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)356,77524
Polymers353,5948
Non-polymers3,18116
Water14,736818
1
A: Aromatic amino acid aminotransferase
B: Aromatic amino acid aminotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,2806
Polymers88,3982
Non-polymers8824
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7560 Å2
ΔGint-39 kcal/mol
Surface area28760 Å2
MethodPISA
2
C: Aromatic amino acid aminotransferase
D: Aromatic amino acid aminotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,0496
Polymers88,3982
Non-polymers6514
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8020 Å2
ΔGint-41 kcal/mol
Surface area28790 Å2
MethodPISA
3
E: Aromatic amino acid aminotransferase
F: Aromatic amino acid aminotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,4117
Polymers88,3982
Non-polymers1,0135
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7570 Å2
ΔGint-40 kcal/mol
Surface area28660 Å2
MethodPISA
4
G: Aromatic amino acid aminotransferase
H: Aromatic amino acid aminotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,0345
Polymers88,3982
Non-polymers6363
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7110 Å2
ΔGint-38 kcal/mol
Surface area28990 Å2
MethodPISA
Unit cell
Length a, b, c (Å)92.250, 103.230, 165.780
Angle α, β, γ (deg.)90.00, 98.58, 90.00
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
18B
28C
19B
29D
110B
210E
111B
211F
112B
212G
113B
213H
114C
214D
115C
215E
116C
216F
117C
217G
118C
218H
119D
219E
120D
220F
121D
221G
122D
222H
123E
223F
124E
224G
125E
225H
126F
226G
127F
227H
128G
228H

NCS domain segments:

Component-ID: 0 / Beg auth comp-ID: MET / Beg label comp-ID: MET / End auth comp-ID: ASP / End label comp-ID: ASP / Refine code: 0 / Auth seq-ID: 1 - 398 / Label seq-ID: 1 - 398

Dom-IDEns-IDAuth asym-IDLabel asym-ID
11AA
21BB
12AA
22CC
13AA
23DD
14AA
24EE
15AA
25FF
16AA
26GG
17AA
27HH
18BB
28CC
19BB
29DD
110BB
210EE
111BB
211FF
112BB
212GG
113BB
213HH
114CC
214DD
115CC
215EE
116CC
216FF
117CC
217GG
118CC
218HH
119DD
219EE
120DD
220FF
121DD
221GG
122DD
222HH
123EE
223FF
124EE
224GG
125EE
225HH
126FF
226GG
127FF
227HH
128GG
228HH

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

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Components

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Protein , 1 types, 8 molecules ABCDEFGH

#1: Protein
Aromatic amino acid aminotransferase


Mass: 44199.203 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Psychrobacter sp. B6 (bacteria) / Strain: B6 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)pLysS
References: UniProt: C7E5X4, aromatic-amino-acid transaminase

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Non-polymers , 6 types, 834 molecules

#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#3: Chemical
ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate / Pyridoxal phosphate


Mass: 247.142 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H10NO6P
#4: Chemical ChemComp-KET / 2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYLENE)-AMINO]-SUCCINIC ACID / PYRIDOXYLIDENE-ASPARTIC ACID-5-MONOPHOSPHATE


Mass: 363.237 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C12H16N2O9P
#5: Chemical ChemComp-OAA / OXALOACETATE ION / Oxaloacetic acid


Mass: 131.064 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H3O5
#6: Chemical ChemComp-PMP / 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE / PYRIDOXAMINE-5'-PHOSPHATE


Mass: 248.173 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H13N2O5P
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 818 / Source method: isolated from a natural source / Formula: H2O

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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: 2.21 Å3/Da / Density % sol: 44.28 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 0.2M (CH3COO)2Mg, 20% PEG3350, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.1 / Wavelength: 0.9184 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jul 14, 2012 / Details: mirrors
RadiationMonochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9184 Å / Relative weight: 1
ReflectionResolution: 2.76→50 Å / Num. obs: 77222 / % possible obs: 97.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 2.27 % / Rmerge(I) obs: 0.126 / Net I/σ(I): 7.66
Reflection shellResolution: 2.76→2.86 Å / Redundancy: 2.26 % / Rmerge(I) obs: 0.517 / Mean I/σ(I) obs: 2.29 / Num. unique all: 7979 / Rsym value: 0.523 / % possible all: 98.6

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Processing

Software
NameVersionClassification
HKL-2000data collection
MOLREPphasing
REFMAC5.7.0032refinement
XDSdata reduction
XDSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4RKC
Resolution: 2.76→45.74 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.93 / SU B: 23.356 / SU ML: 0.236 / Isotropic thermal model: Isotropic with TLS / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.374 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.22194 3862 5 %RANDOM
Rwork0.17338 ---
all0.17578 ---
obs0.17578 73358 97.38 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 39.782 Å2
Baniso -1Baniso -2Baniso -3
1--1.93 Å2-0 Å20.24 Å2
2--4.88 Å20 Å2
3----2.86 Å2
Refinement stepCycle: LAST / Resolution: 2.76→45.74 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms24808 0 201 818 25827
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.01925725
X-RAY DIFFRACTIONr_angle_refined_deg2.0431.97334877
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.09253214
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.99324.3391180
X-RAY DIFFRACTIONr_dihedral_angle_3_deg19.407154271
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.4615150
X-RAY DIFFRACTIONr_chiral_restr0.1220.23782
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.02119774
X-RAY DIFFRACTIONr_mcbond_it2.762.80312775
X-RAY DIFFRACTIONr_mcangle_it4.4294.19215968
X-RAY DIFFRACTIONr_scbond_it3.3552.9812950
X-RAY DIFFRACTIONr_long_range_B_refined8.31823.27441135
Refine LS restraints NCS

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

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A5420.1
12B5420.1
21A5340.08
22C5340.08
31A5380.11
32D5380.11
41A5380.11
42E5380.11
51A5340.1
52F5340.1
61A5300.11
62G5300.11
71A5390.09
72H5390.09
81B5420.08
82C5420.08
91B5460.11
92D5460.11
101B5520.12
102E5520.12
111B5560.1
112F5560.1
121B5390.09
122G5390.09
131B5570.1
132H5570.1
141C5300.1
142D5300.1
151C5330.11
152E5330.11
161C5390.09
162F5390.09
171C5200.09
172G5200.09
181C5390.08
182H5390.08
191D5410.12
192E5410.12
201D5430.1
202F5430.1
211D5300.1
212G5300.1
221D5390.1
222H5390.1
231E5350.11
232F5350.11
241E5350.1
242G5350.1
251E5350.1
252H5350.1
261F5300.1
262G5300.1
271F5560.1
272H5560.1
281G5320.11
282H5320.11
LS refinement shellResolution: 2.76→2.831 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.375 286 -
Rwork0.321 5415 -
obs--98.75 %
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)
11.1578-0.20360.40060.0502-0.05420.16110.0250.24810.03150.0411-0.06140.01620.04890.07820.03640.2131-0.02960.03440.0597-0.00130.057588.403555.94652.6441
20.53080.12180.11060.08370.05390.4117-0.0066-0.03540.12180.0057-0.0317-0.04470.1013-0.14250.03830.07660.0007-0.00060.1359-0.02940.143166.084858.908461.1735
30.25820.50790.11861.21110.07040.8801-0.14720.03390.0368-0.2054-0.0190.03640.04130.01620.16620.1373-0.01060.02390.08230.02160.114276.135254.255739.027
40.0706-0.15770.0590.3688-0.1720.21150.00390.04140.03970.0266-0.078-0.0728-0.1158-0.06840.07410.13160.02630.03410.1537-0.090.175688.096472.636474.5269
50.4209-0.06050.13370.01220.00550.6496-0.0119-0.0437-0.0025-0.0049-0.0075-0.00090.0608-0.02330.01940.1610.002-0.00880.0347-0.00370.135694.352650.187380.463
60.6237-0.2168-0.32490.52140.74261.1374-0.0369-0.09550.14330.02430.12220.01270.05890.2123-0.08530.12340.01310.00120.0478-0.05160.170599.472372.853989.2322
70.1202-0.00020.22160.0021-0.00140.49790.0422-0.0797-0.0063-0.0129-0.00220.00410.009-0.0984-0.040.1448-0.0257-0.00790.0968-0.00470.096148.113856.3302120.0284
80.04510.04180.0610.2095-0.11530.60220.01970.06660.04050.02-0.03530.15320.01880.36160.01560.01260.00090.01970.2830.02210.129470.49359.344111.4409
90.0992-0.27040.25861.0886-0.48431.331-0.01680.01020.05860.0568-0.1145-0.05120.12430.06960.13130.0812-0.042-0.01060.1425-0.03220.083460.399555.1229133.6849
100.0639-0.004-0.18810.1838-0.13320.77890.0257-0.06080.03330.08310.01230.0816-0.1670.1966-0.0380.0713-0.0388-0.01370.11990.00660.186948.338572.252197.8477
110.16840.07260.02870.2394-0.14330.69750.0026-0.02660.0138-0.0415-0.02480.03280.09190.02260.02220.15950.019-0.02270.01160.00340.150842.375749.813392.315
120.27650.1244-0.13940.1824-0.51281.7221-0.0292-0.01630.0578-0.03330.02020.03350.0301-0.05130.0090.15610.0234-0.00170.02220.01880.156337.035772.217283.1734
130.0686-0.01760.11440.1167-0.12680.2761-0.04240.03540.0983-0.027-0.04730.0555-0.01650.07470.08980.0546-0.0571-0.01870.1063-0.05170.28455.938825.6534148.0033
140.2356-0.1382-0.09210.1387-0.04260.2726-0.0154-0.05290.0247-0.05440.0006-0.0260.06150.01420.01490.1379-0.00040.02520.1107-0.03010.116156.25192.9702155.7513
150.04760.0594-0.02010.49930.62842.14010.03210.02150.04890.0777-0.04250.06930.01750.13350.01040.0735-0.04730.09940.12-0.03770.145267.030724.0515162.6845
160.876-0.05160.04410.0159-0.00830.02640.05950.14210.03030.0374-0.03040.01030.02860.051-0.02910.22320.0101-0.01310.1141-0.05070.066251.6197.5725127.5015
170.5753-0.15040.12770.17160.08730.15650.039-0.04480.12260.0012-0.0615-0.08920.0203-0.11590.02250.1255-0.0140.02870.1086-0.04130.136531.238117.6661135.3873
180.08460.15320.1190.35430.45060.91830.00480.01910.01810.02510.0010.00720.0255-0.0639-0.00580.1223-0.00280.02490.08230.01860.130639.28658.352113.8498
190.2863-0.18120.16580.1857-0.11310.1099-0.0133-0.06590.0164-0.03220.02450.0015-0.0380.0118-0.01120.1097-0.10140.05250.1964-0.09650.048432.339978.045156.3445
200.5705-0.1086-0.28870.10660.24350.6273-0.1354-0.1419-0.1083-0.00810.08560.04440.04250.22980.04980.1010.0538-0.00570.1840.03040.090732.99655.1075164.4393
210.0189-0.02550.04050.91980.58611.16260.0293-0.04940.0215-0.00830.0622-0.02250.03390.0791-0.09160.0286-0.05910.03110.2905-0.11920.063443.417276.6871171.2104
220.4699-0.19060.15070.1005-0.0080.18580.01180.0662-0.0557-0.03310.0260.0156-0.0060.1752-0.03770.1481-0.03730.04010.1872-0.03330.083128.198359.5842136.1482
230.2403-0.0998-0.06740.09120.15350.5280.0375-0.03860.0109-0.03080.0291-0.0272-0.1032-0.0638-0.06660.1439-0.00380.04160.072-00.12617.718769.2939144.0573
240.20060.42640.17950.96440.50870.8616-0.01480.0032-0.0001-0.00640.00960.0617-0.02210.04570.00530.1168-0.01130.01060.07180.01190.120915.891460.1837122.5341
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1 - 66
2X-RAY DIFFRACTION2A67 - 287
3X-RAY DIFFRACTION3A288 - 398
4X-RAY DIFFRACTION4B1 - 66
5X-RAY DIFFRACTION5B67 - 287
6X-RAY DIFFRACTION6B288 - 398
7X-RAY DIFFRACTION7C1 - 66
8X-RAY DIFFRACTION8C67 - 287
9X-RAY DIFFRACTION9C288 - 398
10X-RAY DIFFRACTION10D1 - 66
11X-RAY DIFFRACTION11D67 - 287
12X-RAY DIFFRACTION12D288 - 398
13X-RAY DIFFRACTION13E1 - 66
14X-RAY DIFFRACTION14E67 - 287
15X-RAY DIFFRACTION15E288 - 398
16X-RAY DIFFRACTION16F1 - 66
17X-RAY DIFFRACTION17F67 - 287
18X-RAY DIFFRACTION18F288 - 398
19X-RAY DIFFRACTION19G1 - 66
20X-RAY DIFFRACTION20G67 - 287
21X-RAY DIFFRACTION21G288 - 398
22X-RAY DIFFRACTION22H1 - 66
23X-RAY DIFFRACTION23H67 - 287
24X-RAY DIFFRACTION24H288 - 398

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