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- PDB-2ifu: Crystal Structure of a Gamma-SNAP from Danio rerio -

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Basic information

Entry
Database: PDB / ID: 2ifu
TitleCrystal Structure of a Gamma-SNAP from Danio rerio
Componentsgamma-snap
KeywordsENDOCYTOSIS/EXOCYTOSIS / Gamma-SNAP / membrane fusion / SNARE complex disassembly / PROTEIN STRUCTURE INITIATIVE / PSI / CENTER FOR EUKARYOTIC STRUCTURAL GENOMICS / CESG / ENDOCYTOSIS-EXOCYTOSIS COMPLEX
Function / homology
Function and homology information


soluble NSF attachment protein activity / SNARE complex / vacuolar membrane / syntaxin binding / vesicle-mediated transport / intracellular protein transport
Similarity search - Function
Soluble NSF attachment protein, SNAP / NSF attachment protein / Tetratricopeptide repeat domain / Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat / Alpha Horseshoe / Tetratricopeptide-like helical domain superfamily / Mainly Alpha
Similarity search - Domain/homology
Biological speciesDanio rerio (zebrafish)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2.6 Å
AuthorsBitto, E. / Wesenberg, G.E. / Phillips Jr., G.N. / Mccoy, J.G. / Bingman, C.A. / Center for Eukaryotic Structural Genomics (CESG)
CitationJournal: Proteins / Year: 2008
Title: Structure and dynamics of gamma-SNAP: insight into flexibility of proteins from the SNAP family.
Authors: Bitto, E. / Bingman, C.A. / Kondrashov, D.A. / McCoy, J.G. / Bannen, R.M. / Wesenberg, G.E. / Phillips, G.N.
History
DepositionSep 21, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 10, 2006Provider: repository / Type: Initial release
Revision 1.1Jan 15, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 18, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: gamma-snap
B: gamma-snap
C: gamma-snap
D: gamma-snap
hetero molecules


Theoretical massNumber of molelcules
Total (without water)139,30314
Polymers138,3424
Non-polymers96110
Water1,15364
1
A: gamma-snap
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,8744
Polymers34,5861
Non-polymers2883
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: gamma-snap
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,9705
Polymers34,5861
Non-polymers3844
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: gamma-snap
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,7783
Polymers34,5861
Non-polymers1922
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: gamma-snap
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,6822
Polymers34,5861
Non-polymers961
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)83.378, 90.813, 264.173
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
12A
22C
13A
23D
14A
24B
15A
25C
16A
26D
17A
27B
18A
28C
19A
29D
110A
210C
111A
211D

NCS domain segments:

Component-ID: 1 / Refine code: 4

Dom-IDEns-IDBeg label comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11ASNPROAA107 - 275109 - 277
21ASNPROBB107 - 275109 - 277
12ASNPROAA107 - 275109 - 277
22ASNPROCC107 - 275109 - 277
13ASNPROAA107 - 275109 - 277
23ASNPRODD107 - 275109 - 277
14ALATYRAA1 - 963 - 98
24ALATYRBB1 - 963 - 98
15PROTYRAA28 - 9630 - 98
25PROTYRCC28 - 9630 - 98
16TRPTYRAA26 - 9628 - 98
26TRPTYRDD26 - 9628 - 98
17ILEGLUAA97 - 10699 - 108
27ILEGLUBB97 - 10699 - 108
18ILEGLUAA97 - 10699 - 108
28ILEGLUCC97 - 10699 - 108
19ILEGLUAA97 - 10699 - 108
29ILEGLUDD97 - 10699 - 108
110LYSSERAA4 - 226 - 24
210LYSSERCC4 - 226 - 24
111SERSERAA6 - 228 - 24
211SERSERDD6 - 228 - 24

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11

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Components

#1: Protein
gamma-snap


Mass: 34585.531 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Danio rerio (zebrafish) / Gene: zgc:110177 / Plasmid: PVP 33K / Production host: Escherichia coli (E. coli) / Strain (production host): BL834 P(RARE2) / References: UniProt: Q5BJK3
#2: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: SO4
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 64 / 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: 2

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Sample preparation

Crystal
IDDensity Matthews3/Da)Density % sol (%)
13.6166.3
2
Crystal grow
Temperature (K)Crystal-IDMethodDetails
2771vapor diffusion, hanging dropProtein Solution (10 MG/ML protein, 0.250 M sodium chloride, 0.0031 M sodium azide, 0.0003 M TCEP, 0.005 M BisTris pH 7.0) mixed in a 1:1 ratio with the Well Solution (15% PEG 8K, 0.020 M lithium sulfate, 0.066 M PIPES pH 6.5, 0.034 M MOPS pH 7.0) Cryoprotected with Well Solution supplemented with up to 25% ethylene glycol, vapor diffusion, hanging drop, temperature 277K
2772vapor diffusion, hanging dropProtein Solution (10 MG/ML protein, 0.250 M sodium chloride, 0.0031 M sodium azide, 0.0003 M TCEP, 0.005 M BisTris pH 7.0) mixed in a 1:1 ratio with the Well Solution (7% PEG 8K, 0.20 M ammonium sulfate, 0.10 M MOPS pH 7) Cryoprotected with 15% PEG 8K, 0.100 M lithium sulfate, 0.10 M PIPES pH 6.5 up to 25% ethylene glycol, vapor diffusion, hanging drop, temperature 277K

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21001
Diffraction source
SourceSiteBeamlineIDWavelength (Å)
SYNCHROTRONAPS 23-ID-D10.97926
SYNCHROTRONAPS 22-ID20.97925,0.96403
Detector
TypeIDDetectorDateDetails
MARMOSAIC 300 mm CCD1CCDAug 24, 2006Adjustable focusing mirrors in K-B geometry
MARMOSAIC 300 mm CCD2CCDAug 4, 2006Horizontal sagitally focusing 2nd bent monochromator crystal, vertical bent focusing mirror
Radiation
IDMonochromatorProtocolMonochromatic (M) / Laue (L)Scattering typeWavelength-ID
1Si(111) Double Crystal MonochromaterSINGLE WAVELENGTHMx-ray1
2Cryogenically cooled Si (220) double bounceMADMx-ray2
Radiation wavelength
IDWavelength (Å)Relative weight
10.979261
20.979251
30.964031
ReflectionResolution: 2.4→40.053 Å / Num. obs: 70210 / % possible obs: 88.3 % / Redundancy: 9.8 % / Rmerge(I) obs: 0.093 / Χ2: 1.367 / Net I/σ(I): 11.759
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. unique allΧ2% possible all
2.4-2.463.40.5681.1928121.18453.4
2.46-2.523.90.45329561.20956.7
2.52-2.594.50.48934471.00666.4
2.59-2.665.50.48338981.01174.4
2.66-2.756.50.42443461.00183.1
2.75-2.857.90.38748981.01793.3
2.85-2.969.60.35751520.97298.3
2.96-3.09110.26652631.05599.6
3.09-3.2612.30.21352451.0699.7
3.26-3.4612.40.1452611.15199.8
3.46-3.7312.40.09552971.25199.8
3.73-4.112.30.07853081.4399.8
4.1-4.712.30.06853251.40999.7
4.7-5.9212.10.07954312.09599.9
5.92-40.0511.30.06855712.32498.5

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Phasing

PhasingMethod: MAD
Phasing MAD set

Highest resolution: 3.5 Å / Lowest resolution: 45.1 Å

IDR cullis acentricR cullis centricPower acentricPower centricReflection acentricReflection centric
ISO_10000228693224
ISO_20.7690.7031.1170.866228643213
ANO_10.48202.4040228440
ANO_20.53102.4310228460
Phasing MAD set shell
IDResolution (Å)R cullis acentricR cullis centricPower acentricPower centricReflection acentricReflection centric
ISO_114.83-45.10000220138
ISO_110.78-14.830000438160
ISO_18.89-10.780000572166
ISO_17.73-8.890000690162
ISO_16.94-7.730000795170
ISO_16.35-6.940000890167
ISO_15.88-6.350000972168
ISO_15.51-5.8800001052164
ISO_15.2-5.5100001107158
ISO_14.94-5.200001180161
ISO_14.71-4.9400001264167
ISO_14.51-4.7100001307165
ISO_14.33-4.5100001353157
ISO_14.18-4.3300001420155
ISO_14.04-4.1800001491172
ISO_13.91-4.0400001527164
ISO_13.79-3.9100001565150
ISO_13.69-3.7900001651163
ISO_13.59-3.6900001666167
ISO_13.5-3.5900001709150
ANO_114.83-45.10.42702.43902140
ANO_110.78-14.830.39702.83204380
ANO_18.89-10.780.48102.54205720
ANO_17.73-8.890.39303.17706900
ANO_16.94-7.730.38103.2307950
ANO_16.35-6.940.36903.28908900
ANO_15.88-6.350.36703.32209720
ANO_15.51-5.880.35303.608010520
ANO_15.2-5.510.39703.104011060
ANO_14.94-5.20.45902.675011770
ANO_14.71-4.940.49902.449012610
ANO_14.51-4.710.53202.187013070
ANO_14.33-4.510.55102.144013530
ANO_14.18-4.330.5801.916014190
ANO_14.04-4.180.58901.904014880
ANO_13.91-4.040.63701.603015250
ANO_13.79-3.910.66801.496015640
ANO_13.69-3.790.69901.352016510
ANO_13.59-3.690.72901.212016640
ANO_13.5-3.590.77301.07017060
ISO_214.83-45.10.5930.5331.4551.454216129
ISO_210.78-14.830.6020.6351.6851.14438159
ISO_28.89-10.780.7380.6791.4790.864572165
ISO_27.73-8.890.710.691.7611.069690162
ISO_26.94-7.730.6940.6641.6110.949795170
ISO_26.35-6.940.7380.6841.611.034890167
ISO_25.88-6.350.7290.6991.5751.009972168
ISO_25.51-5.880.7190.6471.5430.9971052164
ISO_25.2-5.510.760.7341.4641.0951107158
ISO_24.94-5.20.7740.7281.190.8021180161
ISO_24.71-4.940.8470.7370.8360.7351264167
ISO_24.51-4.710.8250.7860.9340.6061307165
ISO_24.33-4.510.8320.7810.8530.4951353157
ISO_24.18-4.330.8340.8540.7740.451420155
ISO_24.04-4.180.8420.7990.7330.4291491172
ISO_23.91-4.040.8390.7980.6560.3941527164
ISO_23.79-3.910.850.8240.630.4561565150
ISO_23.69-3.790.8350.8790.5960.3561651163
ISO_23.59-3.690.8270.7890.5320.331666167
ISO_23.5-3.590.8220.8120.4750.3131708150
ANO_214.83-45.10.36403.27702110
ANO_210.78-14.830.55801.98304380
ANO_28.89-10.780.48402.84505720
ANO_27.73-8.890.38403.76106900
ANO_26.94-7.730.35903.93907950
ANO_26.35-6.940.34703.96208900
ANO_25.88-6.350.36403.88509720
ANO_25.51-5.880.35204.195010520
ANO_25.2-5.510.4103.549011070
ANO_24.94-5.20.46403.174011770
ANO_24.71-4.940.51702.783012610
ANO_24.51-4.710.56602.495013070
ANO_24.33-4.510.58702.323013530
ANO_24.18-4.330.65601.955014200
ANO_24.04-4.180.67801.833014890
ANO_23.91-4.040.7601.382015260
ANO_23.79-3.910.75401.412015640
ANO_23.69-3.790.80801.25016510
ANO_23.59-3.690.8401.035016650
ANO_23.5-3.590.87400.955017060
Phasing MAD set site
IDCartn x (Å)Cartn y (Å)Cartn z (Å)Atom type symbolB isoOccupancy
113.95589.948189.293SE71.192.01
219.52136.669148.211SE139.341.83
318.33121.65158.028SE193.21.68
44.10724.512238.743SE176.892.91
53.82232.097256.469SE53.620.75
63.55417.479109.221SE120.51.27
717.84171.08320.945SE3003.45
82.85489.997148.748SE161.182.59
93.31187.234248.938SE180.432.16
101.26334.20660.28SE62.592.3
1120.291.988199.016SE41.611.74
1213.77475.255148.445SE642.63
132.58927.80564.405SE74.62.12
142.48324.8624.731SE69.361.92
155.884-0.437136.015SE80.532.26
1619.53790.39771.261SE70.532.21
1715.85124.68629.101SE100.472.59
184.867-0.236141.234SE62.31.74
196.50918.26937.972SE77.521.82
207.26368.2382.568SE94.182.88
2110.0146.16754.593SE101.282.85
2216.446-0.274233.284SE148.522.2
238.27420.7311.89SE55.121.03
248.8462.455152.461SE95.642.08
2514.56834.15812.826SE113.762.5
262.29817.823233.864SE110.751.56
2718.288-0.729238.257SE212.283.27
2818.6644.438191.854SE146.332.14
2910.17579.46959.731SE274.974.41
3079.10762.79727.93SE226.292.21
319.39722.721.732SE67.861.09
3262.84855.03718.514SE190.51.59
3357.46719.92941.395SE71.161.21
3462.2759.29848.635SE126.821.05
3563.47151.79916.071SE214.481.79
3646.14813.99512.112SE261.12.35
3756.78918.36339.92SE65.071.45
3844.46625.80729.771SE77.720.94
3962.44946.03218.867SE3002.51
Phasing dmFOM : 0.58 / FOM acentric: 0.58 / FOM centric: 0.6 / Reflection: 53398 / Reflection acentric: 48290 / Reflection centric: 5108
Phasing dm shell
Resolution (Å)FOM FOM acentricFOM centricReflectionReflection acentricReflection centric
7.7-45.8120.970.980.9425871955632
4.8-7.70.910.930.8770566341071
3.8-4.80.870.880.7494848512972
3.4-3.80.70.710.5994838668815
2.9-3.40.340.340.3116276150931183
2.7-2.90.140.140.1678637428435

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
RESOLVE2.06phasing
REFMAC5.2.0005refinement
PDB_EXTRACT2data extraction
HKL-2000data reduction
PHENIXphasing
SHELXDphasing
RefinementMethod to determine structure: MAD / Resolution: 2.6→40.053 Å / Cor.coef. Fo:Fc: 0.934 / Cor.coef. Fo:Fc free: 0.92 / WRfactor Rfree: 0.258 / WRfactor Rwork: 0.241 / SU B: 22.64 / SU ML: 0.225 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.403 / ESU R Free: 0.274 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.261 3047 5.062 %RANDOM
Rwork0.239 ---
obs0.24 60191 96.072 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT
Displacement parametersBiso mean: 70.106 Å2
Baniso -1Baniso -2Baniso -3
1--1.692 Å20 Å20 Å2
2--2.414 Å20 Å2
3----0.722 Å2
Refinement stepCycle: LAST / Resolution: 2.6→40.053 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8644 0 50 64 8758
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0228835
X-RAY DIFFRACTIONr_angle_refined_deg1.4691.97211901
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.50751094
X-RAY DIFFRACTIONr_dihedral_angle_2_deg42.425.211426
X-RAY DIFFRACTIONr_dihedral_angle_3_deg19.433151639
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.7971544
X-RAY DIFFRACTIONr_chiral_restr0.10.21278
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.026636
X-RAY DIFFRACTIONr_nbd_refined0.2280.24025
X-RAY DIFFRACTIONr_nbtor_refined0.310.26089
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1430.2200
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.3190.2108
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2490.212
X-RAY DIFFRACTIONr_mcbond_it0.7071.55576
X-RAY DIFFRACTIONr_mcangle_it1.18428689
X-RAY DIFFRACTIONr_scbond_it1.99833619
X-RAY DIFFRACTIONr_scangle_it3.2234.53209
Refine LS restraints NCS

Dom-ID: 1 / Auth asym-ID: A / Refine-ID: X-RAY DIFFRACTION

Ens-IDNumberTypeRms dev position (Å)Weight position
11333MEDIUM POSITIONAL0.110.05
11333MEDIUM THERMAL1.062
21323MEDIUM POSITIONAL0.070.05
21323MEDIUM THERMAL1.092
31323MEDIUM POSITIONAL0.050.05
31323MEDIUM THERMAL1.032
4758MEDIUM POSITIONAL0.090.05
4758MEDIUM THERMAL1.242
5535MEDIUM POSITIONAL0.040.05
5535MEDIUM THERMAL0.942
6558MEDIUM POSITIONAL0.040.05
6558MEDIUM THERMAL0.862
780MEDIUM POSITIONAL0.120.05
780MEDIUM THERMAL1.32
880MEDIUM POSITIONAL0.050.05
880MEDIUM THERMAL0.762
980MEDIUM POSITIONAL0.050.05
980MEDIUM THERMAL0.62
10153MEDIUM POSITIONAL0.040.05
10153MEDIUM THERMAL0.932
11136MEDIUM POSITIONAL0.040.05
11136MEDIUM THERMAL0.882
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.6-2.6680.4221690.43286455675.834
2.668-2.7410.4052100.3433530448083.482
2.741-2.820.3362020.3393759429492.245
2.82-2.9070.3412260.3123862421097.102
2.907-3.0020.2742100.2593868411399.149
3.002-3.1070.2682080.2323721394399.645
3.107-3.2250.3011930.2513638384099.766
3.225-3.3560.2881830.253487367599.864
3.356-3.5050.2741820.2463376356499.832
3.505-3.6760.2341660.2363185335699.851
3.676-3.8750.2561440.2353097324299.969
3.875-4.110.2281370.2242942308399.87
4.11-4.3930.2251420.2132741289099.758
4.393-4.7450.2351380.2012563270499.889
4.745-5.1970.231340.22223482482100
5.197-5.8090.3131260.26521442270100
5.809-6.7060.267920.23919182010100
6.706-8.2080.263860.2341664175199.943
8.208-11.5850.183630.1691293136899.123
11.585-132.4530.206360.2672282192.326

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