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- PDB-3gvk: Crystal structure of endo-neuraminidase NF mutant -

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Basic information

Entry
Database: PDB / ID: 3gvk
TitleCrystal structure of endo-neuraminidase NF mutant
ComponentsEndo-N-acetylneuraminidase
KeywordsHYDROLASE / endo neuraminidase / polysialic acid / triple-beta helix / Glycosidase
Function / homology
Function and homology information


endo-alpha-sialidase / endo-alpha-(2,8)-sialidase activity / symbiont entry into host cell via disruption of host cell glycocalyx / virus tail, fiber / symbiont entry into host cell via disruption of host cell envelope / symbiont entry into host / adhesion receptor-mediated virion attachment to host cell / metabolic process / virion attachment to host cell / identical protein binding
Similarity search - Function
Endosialidase, N-terminal extension domain / Endosialidase, beta barrel domain / Endosialidase, C-terminal domain superfamily / Endosialidase, domain 4 / Endosialidase, domain 4 / Glycosyl hydrolase 58 / Endosialidase, beta propeller domain / Endosialidase, N-terminal extension domain / Endosialidase, C-terminal domain / Beta barrel domain of bacteriophage endosialidase ...Endosialidase, N-terminal extension domain / Endosialidase, beta barrel domain / Endosialidase, C-terminal domain superfamily / Endosialidase, domain 4 / Endosialidase, domain 4 / Glycosyl hydrolase 58 / Endosialidase, beta propeller domain / Endosialidase, N-terminal extension domain / Endosialidase, C-terminal domain / Beta barrel domain of bacteriophage endosialidase / Catalytic beta propeller domain of bacteriophage endosialidase / N terminal extension of bacteriophage endosialidase / Catalytic domain of bacteriophage endosialidase / Tail spike TSP1/Gp66, N-terminal domain / Tail spike TSP1/Gp66 receptor binding N-terminal domain / Chaperone of endosialidase / Intramolecular chaperone auto-processing domain / Intramolecular chaperone auto-processing (ICA) domain profile. / Bacteriophage T7 tail fibre protein / Phage T7 tail fibre protein / Transcription Regulator spoIIAA / Elongation Factor Tu (Ef-tu); domain 3 - #20 / Neuraminidase - #10 / Sialidase superfamily / 6 Propeller / Neuraminidase / ATP synthase subunit alpha, N-terminal domain-like superfamily / Elongation Factor Tu (Ef-tu); domain 3 / Few Secondary Structures / Irregular / Beta Barrel / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Tail spike protein / Tail spike protein
Similarity search - Component
Biological speciesEnterobacteria phage K1F (virus)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.84 Å
AuthorsSchulz, E.C. / Dickmanns, A. / Ficner, R.
CitationJournal: J.Mol.Biol. / Year: 2010
Title: Structural basis for the recognition and cleavage of polysialic acid by the bacteriophage K1F tailspike protein EndoNF.
Authors: Schulz, E.C. / Schwarzer, D. / Frank, M. / Stummeyer, K. / Muhlenhoff, M. / Dickmanns, A. / Gerardy-Schahn, R. / Ficner, R.
History
DepositionMar 31, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 2, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Dec 5, 2018Group: Data collection / Category: diffrn_radiation_wavelength / diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_validate_close_contact / struct_asym / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.occupancy / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 13, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Endo-N-acetylneuraminidase
B: Endo-N-acetylneuraminidase
C: Endo-N-acetylneuraminidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)230,64715
Polymers223,4263
Non-polymers7,22112
Water38,3722130
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area52180 Å2
ΔGint-179 kcal/mol
Surface area64860 Å2
MethodPISA
Unit cell
Length a, b, c (Å)90.400, 153.700, 157.800
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Refine code: 2 / Auth seq-ID: 245 - 910 / Label seq-ID: 245 - 910

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB
3CC

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Components

#1: Protein Endo-N-acetylneuraminidase / Endo-alpha-sialidase / Gp17 protein


Mass: 74475.391 Da / Num. of mol.: 3 / Fragment: residues 246-910 / Mutation: H350A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Enterobacteria phage K1F (virus) / Gene: sia, 17, 17.0 / Production host: Escherichia coli (E. coli)
References: UniProt: Q858B1, UniProt: Q04830*PLUS, endo-alpha-sialidase
#2: Polysaccharide
N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-beta-neuraminic acid


Type: oligosaccharide / Mass: 891.780 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DNeup5Aca2-8DNeup5Aca2-8DNeup5Acb2-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[Aad21122h-2b_2-6_5*NCC/3=O][Aad21122h-2a_2-6_5*NCC/3=O]/1-2-2/a8-b2_b8-c2WURCSPDB2Glycan 1.1.0
[][b-D-Neup5Ac]{[(8+2)][a-D-Neup5Ac]{[(8+2)][a-D-Neup5Ac]{}}}LINUCSPDB-CARE
#3: Polysaccharide N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-beta-neuraminic acid


Type: oligosaccharide / Mass: 600.525 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DNeup5Aca2-8DNeup5Acb2-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[Aad21122h-2b_2-6_5*NCC/3=O][Aad21122h-2a_2-6_5*NCC/3=O]/1-2/a8-b2WURCSPDB2Glycan 1.1.0
[][b-D-Neup5Ac]{[(8+2)][a-D-Neup5Ac]{}}LINUCSPDB-CARE
#4: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Na
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2130 / 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: 2.45 Å3/Da / Density % sol: 49.86 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.2
Details: Crystals were grown at 20 C in sitting drop vapour diffusion plates combining equal volumes of precipitant (20% (w/v) PEG 8000, 0.1M Tris/HCl, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X13
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Oct 30, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionResolution: 1.84→19.815 Å / Num. obs: 189954 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Rmerge(I) obs: 0.092
Reflection shell
Resolution (Å)Highest resolution (Å)Rmerge(I) obsMean I/σ(I) obs% possible all
1.84-1.90.2766.999.9
1.9-20.206999.9
2-2.10.16511100
2.1-2.20.13912.799.9
2.2-2.30.12314.199.9
2.3-2.40.11414.999.9
2.4-2.50.10516100
2.5-30.09118.199.9
3-40.07921.4100
4-60.07522.599.9
6-100.07222.2100
100.07121.482.7

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
MOLREPphasing
REFMAC5.5.0039refinement
PDB_EXTRACT3.006data extraction
MAR345dtbdata collection
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.84→15 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.945 / Occupancy max: 1 / Occupancy min: 0.2 / SU B: 5.209 / SU ML: 0.075 / Cross valid method: THROUGHOUT / ESU R: 0.206 / ESU R Free: 0.169 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: U VALUES : RESIDUAL ONLY
RfactorNum. reflection% reflectionSelection details
Rfree0.28228 9487 5 %RANDOM
Rwork0.2648 ---
obs0.26567 180257 100 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 22.019 Å2
Baniso -1Baniso -2Baniso -3
1-0.44 Å20 Å20 Å2
2---1.28 Å20 Å2
3---0.84 Å2
Refinement stepCycle: LAST / Resolution: 1.84→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15528 0 492 2130 18150
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.02116730
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4231.96222874
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.55452058
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.13623.693815
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.916152448
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.80815111
X-RAY DIFFRACTIONr_chiral_restr0.1530.22493
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.02113134
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.3241.59940
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.6216135
X-RAY DIFFRACTIONr_scbond_it0.90636790
X-RAY DIFFRACTIONr_scangle_it1.4374.56697
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Dom-ID: 1 / Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION

Auth asym-IDNumberTypeRms dev position (Å)Weight position
A2541tight positional0.60.05
B2541tight positional0.510.05
C2541tight positional0.560.05
A2377medium positional0.660.5
B2377medium positional0.570.5
C2377medium positional0.610.5
A2541tight thermal5.380.5
B2541tight thermal2.520.5
C2541tight thermal3.780.5
A2377medium thermal5.042
B2377medium thermal2.492
C2377medium thermal3.592
LS refinement shellResolution: 1.84→1.887 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.402 686 -
Rwork0.4 13042 -
obs--100 %
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)
12.38310.69571.11840.4959-0.58235.8241-0.22250.16320.0487-0.1158-0.00480.0433-0.45380.41950.22730.1549-0.0351-0.03670.03640.03130.089616.200351.2299-43.3468
20.75140.13890.03430.1399-0.14280.6233-0.02020.06090.0437-0.0526-0.0067-0.0288-0.0540.0960.0270.0835-0.0202-0.00360.08310.01260.078714.225948.5957-36.1167
30.32880.01550.02010.30160.02260.4030.0065-0.0597-0.05770.08340.0115-0.02250.0363-0.0409-0.0180.08960.0068-0.02150.0890.0370.07162.296224.4189-14.9425
42.4628-0.399-0.07970.49030.10413.3097-0.0582-0.1238-0.41180.14150.2273-0.16680.26390.559-0.16910.12980.1128-0.12690.2367-0.050.345723.60290.9299-5.4759
50.99680.4922-1.06810.3787-0.61261.3532-0.0579-0.1727-0.21940.1549-0.0116-0.15470.08840.0450.06950.38150.0296-0.22840.12930.12240.297417.07780.9618-7.8238
63.7284-2.3175-2.292110.31220.51241.5287-0.4391-0.275-0.50962.06120.0418-0.76320.17550.23150.39730.73130.1347-0.3060.19390.09830.361822.6492-1.9832-1.5886
70.34170.00410.01261.39250.00750.37750.0563-0.1519-0.04780.2388-0.014-0.0722-0.00040.015-0.04230.12520.0138-0.03690.14720.04170.036210.694828.1801-2.6038
80.49660.04930.1550.40090.03150.3721-0.0264-0.06150.01420.05090.0381-0.0436-0.05190.0328-0.01170.08620.0032-0.02710.0990.0010.063413.036845.0904-15.87
90.03650.0375-0.02850.3210.06650.088-0.0076-0.0247-0.02250.0190.0229-0.017-0.00030.013-0.01530.0760.0062-0.01250.08360.02120.08461.734426.0972-29.7129
100.35450.2477-0.10940.3986-0.13880.2258-0.0120.02140.0286-0.04630.00780.02620.024-0.02170.00420.0862-0.0005-0.00560.0847-0.00070.0512-34.9985-9.4339-22.5082
111.3771-1.66051.24184.6527-0.06163.61810.03380.2079-0.0250.0418-0.0184-0.2511-0.27190.5841-0.01550.0834-0.0317-0.00260.1160.04880.201823.354835.6829-67.1007
121.91780.54250.24663.6674-0.82743.44620.05380.08970.1014-0.1809-0.1762-0.2678-0.29650.2480.12250.0638-0.02590.03130.0810.02570.080616.742738.0213-66.4975
131.23560.18070.31870.8939-0.36350.76930.0202-0.00780.0127-0.023-0.0578-0.1517-0.09890.05850.03770.0829-0.0160.0080.07440.02480.084211.275633.8096-66.3184
140.2717-0.0405-0.00230.28830.02510.2578-0.0179-0.0018-0.0076-0.01670.01290.0387-0.0133-0.01580.00490.07050.0012-0.01280.0730.02250.0889-15.860226.8769-48.3121
150.105-0.06-0.05240.4530.40520.9340.0043-0.0238-0.05660.00130.05410.1107-0.0529-0.0458-0.05840.04360.01670.01180.0810.04260.1267-30.258841.686-31.6966
160.192-0.0172-0.14440.23470.23140.9420.01450.006-0.0508-0.0210.03420.0962-0.0702-0.0942-0.04870.05010.0268-0.01570.07560.03780.1187-27.590938.5182-45.0204
170.3666-0.1247-0.13390.2858-0.04050.2784-0.00260.04980.0388-0.0742-0.0036-0.0035-0.0375-0.02660.00620.09690.0089-0.01770.07310.02670.0728-13.18938.1673-65.1441
180.14350.06320.04460.53270.03730.1967-0.00240.01250.0094-0.0295-0.0078-0.0185-0.01730.00040.01020.085-0.0009-0.00610.08280.01840.0798-4.596226.087-56.4641
190.34170.3817-0.10340.91840.00030.1688-0.04450.0079-0.0406-0.01620.0341-0.04510.0296-0.00040.01040.07210.0111-0.00960.08040.02820.075-1.081423.5087-29.6254
200.31350.2097-0.11360.3691-0.16350.2231-0.0015-0.00130.0032-0.0367-0.0143-0.00430.03590.00430.01580.08930.0010.00160.082-0.00180.0538-30.3296-11.4346-21.556
211.9991.35171.84478.2915-0.31257.1965-0.00730.15820.4860.5613-0.0708-0.6609-1.01160.14070.07810.1952-0.00690.02160.01720.06720.31637.215435.2557-42.7956
220.52060.1216-0.13422.2086-0.52041.10380.03380.05740.11450.05080.08-0.1229-0.13260.1205-0.11390.0175-0.01360.00720.0718-0.01340.199234.69824.6857-43.4588
230.1784-0.07950.00560.41840.10970.2087-0.00790.008-0.01640.01510.0225-0.0330.02060.0075-0.01460.06740.0073-0.00620.07190.02240.10878.89861.6357-44.2628
240.4419-0.18560.62910.2825-0.23551.0323-0.02660.0087-0.0304-0.02780.0112-0.02650.01780.00490.01540.0863-0.0072-0.0040.06420.01410.0863-3.8069-8.4451-62.5528
250.5649-0.28370.42670.2201-0.17030.5772-0.0145-0.0266-0.0704-0.02710.0531-0.00480.0117-0.0446-0.03870.0991-0.0156-0.00780.07110.010.0911-1.722-8.1512-61.2222
260.27760.07260.01980.71110.32060.2553-0.00420.01820.0193-0.00920.0488-0.14330.0560.0233-0.04460.03920.01790.00140.07320.0020.143527.5024-2.2621-49.8872
270.2292-0.073-0.19270.3065-0.03220.612-0.01610.0049-0.0060.01370.0585-0.1120.05010.0243-0.04240.0450.0068-0.01590.06120.01640.153820.12599.6877-40.0581
280.0771-0.1236-0.03020.3916-0.07910.0975-0.0066-0.0270.00150.0140.0031-0.01160.0040.02670.00350.0744-0.0083-0.01450.0890.02090.0876-3.290517.1781-43.7575
290.4860.1746-0.10730.5144-0.01860.1011-0.00370.0270.0347-0.0369-0.02-0.0405-0.00710.05680.02370.08380.00090.01520.08760.00810.0614-21.8383-0.714-25.3287
300.34640.2627-0.02340.3871-0.01370.24150.0075-0.01420.0125-0.00140.00430.02270.02-0.009-0.01180.0854-0.0010.00090.0889-0.00180.056-38.2759-12.63-13.7218
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A267 - 284
2X-RAY DIFFRACTION2A285 - 315
3X-RAY DIFFRACTION3A316 - 423
4X-RAY DIFFRACTION4A424 - 448
5X-RAY DIFFRACTION5A449 - 471
6X-RAY DIFFRACTION6A472 - 499
7X-RAY DIFFRACTION7A500 - 575
8X-RAY DIFFRACTION8A576 - 684
9X-RAY DIFFRACTION9A685 - 796
10X-RAY DIFFRACTION10A797 - 910
11X-RAY DIFFRACTION11B245 - 270
12X-RAY DIFFRACTION12B271 - 283
13X-RAY DIFFRACTION13B284 - 310
14X-RAY DIFFRACTION14B311 - 409
15X-RAY DIFFRACTION15B410 - 485
16X-RAY DIFFRACTION16B486 - 554
17X-RAY DIFFRACTION17B555 - 676
18X-RAY DIFFRACTION18B677 - 756
19X-RAY DIFFRACTION19B757 - 789
20X-RAY DIFFRACTION20B790 - 910
21X-RAY DIFFRACTION21C245 - 272
22X-RAY DIFFRACTION22C273 - 311
23X-RAY DIFFRACTION23C312 - 403
24X-RAY DIFFRACTION24C404 - 489
25X-RAY DIFFRACTION25C490 - 524
26X-RAY DIFFRACTION26C525 - 669
27X-RAY DIFFRACTION27C670 - 751
28X-RAY DIFFRACTION28C752 - 795
29X-RAY DIFFRACTION29C796 - 833
30X-RAY DIFFRACTION30C834 - 910

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