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- PDB-8yvp: canine immunoproteasome 20S subunit in complex with compound 1 -

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Basic information

Entry
Database: PDB / ID: 8yvp
Titlecanine immunoproteasome 20S subunit in complex with compound 1
Components
  • (Proteasome subunit alpha type- ...) x 7
  • (Proteasome subunit beta type- ...) x 7
KeywordsHYDROLASE / inhibitor / complex / proteasome
Function / homology
Function and homology information


Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Ubiquitin-dependent degradation of Cyclin D / AUF1 (hnRNP D0) binds and destabilizes mRNA / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / SCF(Skp2)-mediated degradation of p27/p21 ...Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Ubiquitin-dependent degradation of Cyclin D / AUF1 (hnRNP D0) binds and destabilizes mRNA / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / SCF(Skp2)-mediated degradation of p27/p21 / Assembly of the pre-replicative complex / CDK-mediated phosphorylation and removal of Cdc6 / Autodegradation of the E3 ubiquitin ligase COP1 / G2/M Checkpoints / Degradation of AXIN / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / Asymmetric localization of PCP proteins / Regulation of RUNX3 expression and activity / Regulation of RAS by GAPs / Regulation of PTEN stability and activity / Regulation of RUNX2 expression and activity / Degradation of GLI1 by the proteasome / UCH proteinases / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Degradation of DVL / Orc1 removal from chromatin / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Dectin-1 mediated noncanonical NF-kB signaling / NIK-->noncanonical NF-kB signaling / TNFR2 non-canonical NF-kB pathway / Hedgehog ligand biogenesis / Hedgehog 'on' state / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Degradation of beta-catenin by the destruction complex / Activation of NF-kappaB in B cells / The role of GTSE1 in G2/M progression after G2 checkpoint / FCERI mediated NF-kB activation / CLEC7A (Dectin-1) signaling / Interleukin-1 signaling / RUNX1 regulates transcription of genes involved in differentiation of HSCs / Downstream TCR signaling / Separation of Sister Chromatids / MAPK6/MAPK4 signaling / GLI3 is processed to GLI3R by the proteasome / ABC-family proteins mediated transport / Neddylation / Ub-specific processing proteases / KEAP1-NFE2L2 pathway / Antigen processing: Ubiquitination & Proteasome degradation / proteasome core complex / myofibril / NF-kappaB binding / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / threonine-type endopeptidase activity / proteasome core complex, alpha-subunit complex / proteasomal protein catabolic process / skeletal muscle tissue development / immune system process / Neutrophil degranulation / proteasome complex / proteolysis involved in protein catabolic process / sarcomere / lipopolysaccharide binding / negative regulation of inflammatory response to antigenic stimulus / P-body / protein catabolic process / response to virus / nuclear matrix / peptidase activity / response to oxidative stress / ubiquitin-dependent protein catabolic process / endopeptidase activity / proteasome-mediated ubiquitin-dependent protein catabolic process / positive regulation of canonical NF-kappaB signal transduction / nuclear body / ciliary basal body / cilium / ribosome / ubiquitin protein ligase binding / centrosome / mitochondrion / proteolysis / RNA binding / nucleoplasm / identical protein binding / cytosol / cytoplasm
Similarity search - Function
Proteasome subunit alpha 1 / Proteasome beta subunit, C-terminal / Proteasome beta subunits C terminal / Proteasome subunit beta 4 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha6 / Proteasome subunit alpha5 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit ...Proteasome subunit alpha 1 / Proteasome beta subunit, C-terminal / Proteasome beta subunits C terminal / Proteasome subunit beta 4 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha6 / Proteasome subunit alpha5 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit / Proteasome beta-type subunit, conserved site / Proteasome subunit A N-terminal signature / Proteasome alpha-type subunits signature. / Proteasome alpha-subunit, N-terminal domain / Proteasome subunit A N-terminal signature Add an annotation / Proteasome B-type subunit / Proteasome beta-type subunit profile. / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / Proteasome subunit / Proteasome, subunit alpha/beta / Nucleophile aminohydrolases, N-terminal
Similarity search - Domain/homology
: / THREONINE / Proteasome subunit beta type-1 / Proteasome subunit beta type-5 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-2 / Proteasome subunit beta type-7 / Proteasome subunit beta type-4 / Proteasome subunit beta type-6 / Proteasome subunit alpha type-6 ...: / THREONINE / Proteasome subunit beta type-1 / Proteasome subunit beta type-5 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-2 / Proteasome subunit beta type-7 / Proteasome subunit beta type-4 / Proteasome subunit beta type-6 / Proteasome subunit alpha type-6 / Proteasome subunit alpha type-4 / Proteasome subunit beta type-3 / Proteasome subunit beta type-2 / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-7 / Proteasome subunit alpha type-5
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / Resolution: 2.5 Å
AuthorsKashima, A. / Arai, Y.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: Bioorg Med Chem / Year: 2024
Title: Optimization of α-amido boronic acids via cryo-electron microscopy analysis: Discovery of a novel highly selective immunoproteasome subunit LMP7 (β5i)/LMP2 (β1i) dual inhibitor.
Authors: Yuuki Arai / Hiroaki Shitama / Masahito Yamagishi / Satoshi Ono / Akiko Kashima / Masahiro Hiraizumi / Naoki Tsuda / Koushirou Katayama / Kouji Tanaka / Yuzo Koda / Sayuka Kato / Kei Sakata ...Authors: Yuuki Arai / Hiroaki Shitama / Masahito Yamagishi / Satoshi Ono / Akiko Kashima / Masahiro Hiraizumi / Naoki Tsuda / Koushirou Katayama / Kouji Tanaka / Yuzo Koda / Sayuka Kato / Kei Sakata / Osamu Nureki / Hiroshi Miyazaki /
Abstract: The immunoproteasome subunit LMP7 (β5i)/LMP2 (β1i) dual blockade has been reported to suppress B cell differentiation and activation, suggesting that the dual inhibition of LMP7/LMP2 is a promising ...The immunoproteasome subunit LMP7 (β5i)/LMP2 (β1i) dual blockade has been reported to suppress B cell differentiation and activation, suggesting that the dual inhibition of LMP7/LMP2 is a promising approach for treating autoimmune diseases. In contrast, the inhibition of the constitutive proteasome subunit β5c correlates with cytotoxicity against non-immune cells. Therefore, LMP7/LMP2 dual inhibitors with high selectivity over β5c may be desirable for treating autoimmune diseases. In this study, we present the optimization and discovery of α-amido boronic acids using cryo-electron microscopy (cryo-EM). The exploitation of structural differences between the proteasome subunits led to the identification of a highly selective LMP7/LMP2 dual inhibitor 19. Molecular dynamics simulation based on cryo-EM structures of the proteasome subunits complexed with 19 explained the inhibitory activity profile. In mice immunized with 4-hydroxy-3-nitrophenylacetyl conjugated to ovalbumin, results indicate that 19 is orally bioavailable and shows promise as potential treatment for autoimmune diseases.
History
DepositionMar 29, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 31, 2024Provider: repository / Type: Initial release
Revision 2.0Oct 9, 2024Group: Advisory / Atomic model ...Advisory / Atomic model / Author supporting evidence / Data collection / Data processing / Database references / Derived calculations / Experimental preparation / Non-polymer description / Polymer sequence / Refinement description / Source and taxonomy / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / chem_comp_atom / chem_comp_bond / em_3d_reconstruction / em_admin / em_ctf_correction / em_software / em_specimen / entity / entity_poly / entity_poly_seq / entity_src_nat / pdbx_entity_instance_feature / pdbx_entity_nonpoly / pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_assembly / pdbx_struct_assembly_gen / pdbx_struct_oper_list / pdbx_struct_sheet_hbond / pdbx_unobs_or_zero_occ_atoms / pdbx_unobs_or_zero_occ_residues / pdbx_validate_close_contact / pdbx_validate_rmsd_angle / refine / refine_hist / refine_ls_restr / refine_ls_restr_ncs / refine_ls_shell / struct_asym / struct_conf / struct_conn / struct_ref / struct_ref_seq / struct_sheet_range
Item: _chem_comp.formula / _chem_comp.formula_weight ..._chem_comp.formula / _chem_comp.formula_weight / _chem_comp.name / _em_3d_reconstruction.resolution_method / _em_admin.last_update / _em_ctf_correction.em_image_processing_id / _em_specimen.vitrification_applied / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_src_nat.pdbx_end_seq_num / _pdbx_entry_details.has_protein_modification / _pdbx_struct_assembly.details / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_oper_list.symmetry_operation / _pdbx_struct_sheet_hbond.range_1_label_seq_id / _pdbx_struct_sheet_hbond.range_2_label_seq_id / _pdbx_unobs_or_zero_occ_residues.label_seq_id / _refine.B_iso_mean / _refine.aniso_B[1][1] / _refine.aniso_B[1][2] / _refine.aniso_B[1][3] / _refine.aniso_B[2][2] / _refine.aniso_B[2][3] / _refine.aniso_B[3][3] / _refine.correlation_coeff_Fo_to_Fc / _refine.ls_R_factor_R_work / _refine.ls_R_factor_obs / _refine.ls_d_res_low / _refine.ls_number_reflns_obs / _refine.ls_percent_reflns_obs / _refine.overall_SU_B / _refine.overall_SU_ML / _refine.pdbx_overall_ESU_R / _refine.pdbx_stereochemistry_target_values / _refine.solvent_model_details / _struct_conf.beg_auth_seq_id / _struct_conf.beg_label_seq_id / _struct_conf.end_label_seq_id / _struct_conf.pdbx_PDB_helix_length / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.seq_align_end / _struct_sheet_range.beg_auth_comp_id / _struct_sheet_range.beg_auth_seq_id / _struct_sheet_range.beg_label_comp_id / _struct_sheet_range.beg_label_seq_id / _struct_sheet_range.end_auth_comp_id / _struct_sheet_range.end_auth_seq_id / _struct_sheet_range.end_label_comp_id / _struct_sheet_range.end_label_seq_id
Revision 2.1Oct 30, 2024Group: Data collection / Category: em_admin / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: Proteasome subunit beta type-7
C: Proteasome subunit beta type-5
P: Proteasome subunit alpha type-2
Q: Proteasome subunit alpha type-3
R: Proteasome subunit alpha type-6
F: Proteasome subunit beta type-6
S: Proteasome subunit beta type-1
D: Proteasome subunit beta type-5
J: Proteasome subunit alpha type-3
Y: Proteasome subunit beta type-3
E: Proteasome subunit beta type-7
X: Proteasome subunit beta type-1
a: Proteasome subunit beta type-4
H: Proteasome subunit alpha type-5
K: Proteasome subunit alpha type-6
b: Proteasome subunit alpha type-2
V: Proteasome subunit beta type-2
T: Proteasome subunit beta type-2
I: Proteasome subunit alpha type-7
L: Proteasome subunit alpha type-1
O: Proteasome subunit alpha type-4
G: Proteasome subunit alpha type-1
M: Proteasome subunit alpha type-5
Z: Proteasome subunit alpha type-4
A: Proteasome subunit beta type-6
N: Proteasome subunit alpha type-7
U: Proteasome subunit beta type-3
W: Proteasome subunit beta type-4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)735,36036
Polymers733,11728
Non-polymers2,2448
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Proteasome subunit beta type- ... , 7 types, 14 molecules BECDFASXYUaWVT

#1: Protein Proteasome subunit beta type-7 / Macropain chain Z / Multicatalytic endopeptidase complex chain Z / Proteasome subunit Z


Mass: 25280.010 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: P70195, proteasome endopeptidase complex
#2: Protein Proteasome subunit beta type-5 / Macropain epsilon chain / Multicatalytic endopeptidase complex epsilon chain / Proteasome chain 6 / ...Macropain epsilon chain / Multicatalytic endopeptidase complex epsilon chain / Proteasome chain 6 / Proteasome epsilon chain / Proteasome subunit X


Mass: 22554.545 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: O55234, proteasome endopeptidase complex
#6: Protein Proteasome subunit beta type-6 / Low molecular mass protein 19 / Macropain delta chain / Multicatalytic endopeptidase complex delta ...Low molecular mass protein 19 / Macropain delta chain / Multicatalytic endopeptidase complex delta chain / Proteasome delta chain / Proteasome subunit Y


Mass: 22014.920 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: Q60692, proteasome endopeptidase complex
#7: Protein Proteasome subunit beta type-1 / Macropain subunit C5 / Multicatalytic endopeptidase complex subunit C5 / Proteasome component C5 / ...Macropain subunit C5 / Multicatalytic endopeptidase complex subunit C5 / Proteasome component C5 / Proteasome gamma chain


Mass: 26405.182 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: O09061
#8: Protein Proteasome subunit beta type-3 / Proteasome chain 13 / Proteasome component C10-II / Proteasome theta chain


Mass: 22988.895 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9R1P1
#9: Protein Proteasome subunit beta type-4 / Low molecular mass protein 3 / Macropain beta chain / Multicatalytic endopeptidase complex beta ...Low molecular mass protein 3 / Macropain beta chain / Multicatalytic endopeptidase complex beta chain / Proteasome beta chain / Proteasome chain 3


Mass: 29143.053 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: P99026
#11: Protein Proteasome subunit beta type-2 / Macropain subunit C7-I / Multicatalytic endopeptidase complex subunit C7-I / Proteasome component C7-I


Mass: 22935.377 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9R1P3

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Proteasome subunit alpha type- ... , 7 types, 14 molecules PbQJRKHMINLGOZ

#3: Protein Proteasome subunit alpha type-2 / Macropain subunit C3 / Multicatalytic endopeptidase complex subunit C3 / Proteasome component C3


Mass: 25955.549 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: P49722
#4: Protein Proteasome subunit alpha type-3 / Macropain subunit C8 / Multicatalytic endopeptidase complex subunit C8 / Proteasome component C8 / ...Macropain subunit C8 / Multicatalytic endopeptidase complex subunit C8 / Proteasome component C8 / Proteasome subunit K


Mass: 28442.248 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: O70435
#5: Protein Proteasome subunit alpha type-6 / Macropain iota chain / Multicatalytic endopeptidase complex iota chain / Proteasome iota chain


Mass: 27405.434 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9QUM9
#10: Protein Proteasome subunit alpha type-5 / Macropain zeta chain / Multicatalytic endopeptidase complex zeta chain / Proteasome zeta chain


Mass: 26435.977 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9Z2U1
#12: Protein Proteasome subunit alpha type-7 / Proteasome subunit RC6-1


Mass: 27897.887 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9Z2U0
#13: Protein Proteasome subunit alpha type-1 / Macropain subunit C2 / Multicatalytic endopeptidase complex subunit C2 / Proteasome component C2 / ...Macropain subunit C2 / Multicatalytic endopeptidase complex subunit C2 / Proteasome component C2 / Proteasome nu chain


Mass: 29586.576 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9R1P4
#14: Protein Proteasome subunit alpha type-4 / Macropain subunit C9 / Multicatalytic endopeptidase complex subunit C9 / Proteasome component C9 / ...Macropain subunit C9 / Multicatalytic endopeptidase complex subunit C9 / Proteasome component C9 / Proteasome subunit L


Mass: 29512.807 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9R1P0

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Non-polymers , 2 types, 8 molecules

#15: Chemical
ChemComp-A1L0D / [(~{R})-cyclohexyl-[(1-cyclohexyl-1,2,3-triazol-4-yl)carbonylamino]methyl]boronic acid


Mass: 334.222 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C16H27BN4O3
#16: Chemical ChemComp-THR / THREONINE


Type: L-peptide linking / Mass: 119.119 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H9NO3

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: 20S proteasome / Type: COMPLEX / Entity ID: #1-#14 / Source: NATURAL
Source (natural)Organism: Mus musculus (house mouse)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: NO
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1600 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 48.2 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: REFMAC
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.5 Å / Num. of particles: 118136 / Symmetry type: POINT
RefinementHighest resolution: 2.5 Å

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