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- PDB-2ocd: Crystal structure of L-asparaginase I from Vibrio cholerae O1 bio... -

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Basic information

Entry
Database: PDB / ID: 2ocd
TitleCrystal structure of L-asparaginase I from Vibrio cholerae O1 biovar eltor str. N16961
ComponentsL-asparaginase IAsparaginase
KeywordsHYDROLASE / L-asparaginase I / SAD / MCSG / PSI-2 / Structural Genomics / Protein Structure Initiative / Midwest Center for Structural Genomics
Function / homology
Function and homology information


asparaginase / asparaginase activity / amino acid metabolic process / cytosol
Similarity search - Function
Type I L-asparaginase family / Type I (cytosolic) L-asparaginase / L-asparaginase, N-terminal domain / Rossmann fold - #40 / Asparaginase/glutaminase, active site 1 / Asparaginase / glutaminase active site signature 1. / L-asparaginase, C-terminal / Asparaginase/glutaminase, active site 2 / Asparaginase/glutaminase, C-terminal / Glutaminase/Asparaginase C-terminal domain ...Type I L-asparaginase family / Type I (cytosolic) L-asparaginase / L-asparaginase, N-terminal domain / Rossmann fold - #40 / Asparaginase/glutaminase, active site 1 / Asparaginase / glutaminase active site signature 1. / L-asparaginase, C-terminal / Asparaginase/glutaminase, active site 2 / Asparaginase/glutaminase, C-terminal / Glutaminase/Asparaginase C-terminal domain / Asparaginase / glutaminase active site signature 2. / Asparaginase / Asparaginase/glutaminase-like / L-asparaginase, N-terminal / Asparaginase/glutaminase-like superfamily / L-asparaginase, N-terminal domain superfamily / Asparaginase, N-terminal / Asparaginase / glutaminase domain profile. / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Asparaginase
Similarity search - Component
Biological speciesVibrio cholerae (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.45 Å
AuthorsNocek, B. / Wu, R. / Osipiuk, J. / Moy, S. / Kim, Y. / Joachimiak, A. / Midwest Center for Structural Genomics (MCSG)
CitationJournal: To be Published
Title: Crystal structure of L-asparaginase I from Vibrio cholerae O1 biovar eltor str. N16961
Authors: Nocek, B. / Wu, R. / Moy, S. / Joachimiak, A.
History
DepositionDec 20, 2006Deposition site: RCSB / Processing site: RCSB
SupersessionJan 30, 2007ID: 2H7K
Revision 1.0Jan 30, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.3Dec 27, 2023Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 300BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 4 CHAIN(S) ...BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 4 CHAIN(S). AUTHORS STATE THAT THE BIOLOGICAL UNIT IS UNKNOWN, BUT BASED ON THE ASYMMETRIC UNIT ARCHITECTURE EITHER DIMER OR TETRAMER ARE POSSIBLE BIOLOGICAL UNITS. THE ASSEMBLY SHOWN IN REMARK 350 IS PREDICTED BY THE ANALYSIS OF PROTEIN INTERFACES BASED ON THIS CRYSTAL STRUCTURE.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: L-asparaginase I
B: L-asparaginase I
C: L-asparaginase I
D: L-asparaginase I
hetero molecules


Theoretical massNumber of molelcules
Total (without water)150,2949
Polymers149,9664
Non-polymers3285
Water9,440524
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12430 Å2
ΔGint-64 kcal/mol
Surface area48280 Å2
MethodPISA
Unit cell
Length a, b, c (Å)53.235, 117.838, 121.431
Angle α, β, γ (deg.)90.00, 91.44, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
L-asparaginase I / Asparaginase


Mass: 37491.375 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Vibrio cholerae (bacteria) / Strain: N16961 / Gene: O1 biovar eltor / Plasmid: pMCSG7 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q9KQK3
#2: Chemical
ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H3O2
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 524 / 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: 2.54 Å3/Da / Density % sol: 51.53 %
Crystal growTemperature: 291 K / pH: 7
Details: 2M Ammonium Acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K, pH 7.00

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.9795
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: May 15, 2004
RadiationMonochromator: DOUBLE CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 2.45→40 Å / Num. obs: 55186 / % possible obs: 97.4 % / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Rmerge(I) obs: 0.131 / Net I/σ(I): 10.3
Reflection shellResolution: 2.45→2.49 Å / Redundancy: 3 % / Rmerge(I) obs: 0.51 / Mean I/σ(I) obs: 2.2 / % possible all: 93.1

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
HKL-3000data reduction
HKL-3000data scaling
SHARPphasing
RefinementMethod to determine structure: SAD / Resolution: 2.45→33.3 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.901 / SU B: 17.687 / SU ML: 0.207 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.51 / ESU R Free: 0.284 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.246 2739 5.1 %RANDOM
Rwork0.176 ---
obs0.179 50838 97.4 %-
all-50838 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 15.51 Å2
Baniso -1Baniso -2Baniso -3
1--0.14 Å20 Å20.12 Å2
2--0.26 Å20 Å2
3----0.11 Å2
Refinement stepCycle: LAST / Resolution: 2.45→33.3 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms10089 0 22 524 10635
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.020.02210389
X-RAY DIFFRACTIONr_bond_other_d0.0010.026891
X-RAY DIFFRACTIONr_angle_refined_deg1.8221.97714109
X-RAY DIFFRACTIONr_angle_other_deg1.159316972
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.26251328
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.05625.081431
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.026151745
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.3731541
X-RAY DIFFRACTIONr_chiral_restr0.0990.21606
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0211578
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021915
X-RAY DIFFRACTIONr_nbd_refined0.2320.22439
X-RAY DIFFRACTIONr_nbd_other0.2120.27254
X-RAY DIFFRACTIONr_nbtor_refined0.1890.25078
X-RAY DIFFRACTIONr_nbtor_other0.0930.25714
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1920.2571
X-RAY DIFFRACTIONr_xyhbond_nbd_other0.0120.22
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1250.219
X-RAY DIFFRACTIONr_symmetry_vdw_other0.1780.242
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2010.23
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.0651.57779
X-RAY DIFFRACTIONr_mcbond_other0.1511.52668
X-RAY DIFFRACTIONr_mcangle_it1.328210700
X-RAY DIFFRACTIONr_scbond_it2.33334153
X-RAY DIFFRACTIONr_scangle_it3.3294.53407
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.45→2.51 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.347 218 -
Rwork0.245 3517 -
obs--93.05 %
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)
12.58271.81190.771.53530.33252.42490.0163-0.1554-0.52070.00080.042-0.10750.18680.0989-0.05820.13830.0539-0.03040.04360.03850.07482.6396-16.969536.2566
26.3461-6.3636-5.06346.40355.20564.77280.1336-0.29760.20430.1230.1984-0.1695-0.0640.8834-0.3320.15370.0788-0.06790.2094-0.03050.17689.9497-18.747740.3396
30.5174-0.19030.18140.48190.04631.4156-0.01640.0156-0.02550.0495-0.0197-0.01730.05880.04050.03610.12890.0055-0.0090.10680.00810.1042-0.826-12.986630.8949
40.5335-0.4810.22792.1526-0.94355.0680.1047-0.05410.03240.0056-0.2683-0.2199-0.3290.4030.16360.1327-0.0263-0.01240.14410.00210.11022.55150.507525.0152
51.3770.2996-1.05761.50041.06834.32040.03140.01960.02590.0127-0.02220.144-0.0602-0.3525-0.00920.02810.1004-0.06550.07370.04210.0586-10.3026-7.143825.4441
60.88920.49410.51570.6592-0.32631.2755-0.07760.2930.0061-0.15210.21380.0220.03710.0198-0.13620.12950.0139-0.00770.1735-0.04360.11356.2132-3.1818-1.5111
71.8323-0.30510.33852.71690.80432.88380.02050.06810.112-0.2756-0.21690.2677-0.18890.00180.19650.10780.0128-0.02880.1793-0.00770.0468-0.76862.3178-1.4309
80.38260.19150.6710.92760.50231.21020.09320.0012-0.0542-0.0199-0.150.0379-0.0956-0.14090.05680.11980.0055-0.00850.1435-0.02990.121-8.5209-5.23418.0085
94.0063-0.790.44612.76151.8712.29910.20390.21950.0989-0.2293-0.2237-0.1685-0.0619-0.10070.01990.1154-0.01510.02280.04230.07410.062115.303630.03923.0552
100.5575-0.4333-0.40461.7849-0.3170.56910.2064-0.42370.1332-0.1404-0.15010.1406-0.2906-0.5467-0.05620.1430.05560.01580.16260.03740.09189.144335.09393.4385
111.0672-0.37330.06572.18330.56830.51210.0480.05650.02510.0203-0.0222-0.0919-0.009-0.0036-0.02580.08870.00270.02060.1270.05820.091818.335422.83934.2181
120.9727-0.6921.27044.45950.63652.85350.0585-0.1902-0.01660.36520.01370.25110.0905-0.1486-0.07220.1359-0.00370.0470.10970.04320.082414.246114.821816.1724
130.60790.418-0.0493.10131.17993.6681-0.02280.001-0.09010.1602-0.1333-0.3582-0.07170.39560.1561-0.0440.0443-0.05980.12680.10830.100427.546317.163710.0776
141.07920.5638-1.56291.5462-0.48372.3519-0.02060.2119-0.0786-0.0649-0.017-0.07110.1678-0.12150.03760.09020.05080.00930.1909-0.01740.09413.1891-10.5384.5221
151.83550.7349-0.11440.35890.49464.5265-0.0792-0.0963-0.13250.0302-0.012-0.09820.32940.12940.09120.13430.06760.03610.10550.01650.12820.0261-11.76779.6817
160.8696-0.39980.36390.60340.5671.43760.0197-0.0297-0.0721-0.0745-0.003-0.0526-0.03910.059-0.01670.10230.02210.01530.13330.03360.125226.7003-1.28367.2065
170.17430.45880.26471.42990.13291.8309-0.0145-0.4377-0.13990.0832-0.0063-0.00840.0762-0.01360.02080.05940.0016-0.01940.1395-0.01010.100213.03540.295159.2761
1813.9819-7.2148-4.963410.77876.21173.65070.53690.285-0.58720.3403-0.62740.4860.5231-0.45890.09050.2232-0.0692-0.02750.18470.18750.10146.6402-4.722659.4405
190.9260.015-0.19391.17030.31520.64150.02080.0133-0.0190.0770.0401-0.01130.07070.0147-0.06090.09680.0015-0.01860.1292-0.0020.111216.55246.493657.1639
202.3547-2.3307-1.67492.40361.51361.40630.05060.2523-0.213-0.23370.13180.2428-0.0309-0.2196-0.18240.1103-0.0227-0.02950.15970.02270.13814.012815.937945.6352
211.1794-0.50.32171.77950.50391.24260.01050.06440.05370.02660.028-0.21850.14810.0376-0.03850.003-0.05870.02830.12130.00470.093723.835116.344753.2479
221.0255-1.01551.10991.1114-1.68764.4789-0.148-0.05230.08430.00430.1917-0.1605-0.34970.0878-0.04370.0752-0.0408-0.01160.188-0.01970.09869.263740.921157.4785
231.6164-0.29990.93092.93531.91513.9941-0.07990.00030.1566-0.3214-0.092-0.1767-0.2230.02780.17180.0687-0.0360.01450.1262-0.00550.137817.219842.347851.4677
241.41590.8358-0.18082.98620.92920.61670.02390.00750.01810.03290.0567-0.1647-0.00390.0985-0.08050.0848-0.00510.00370.1505-0.01240.101724.068930.766356.489
252.0697-0.6685-0.33772.83360.40463.047-0.04380.48990.55010.04690.06380.0089-0.19830.3793-0.02010.0891-0.07290.01140.1770.0386-0.0141.676246.012424.528
262.61721.17970.78021.0329-0.07085.3132-0.04220.26760.2031-0.09080.0069-0.2697-0.06070.11010.03530.1486-0.04970.01910.06440.03330.06023.323147.769423.1071
270.61180.1566-0.0650.6826-0.06681.425-0.06560.0547-0.012-0.09240.0281-0.0249-0.0175-0.13390.03750.1407-0.00720.01540.1371-0.00670.0678-3.841740.992231.0151
282.00111.11081.52591.3274-0.36593.2334-0.0940.1467-0.1777-0.07950.0364-0.2110.3670.20670.05760.18570.010.04250.1004-0.00110.09811.126828.64334.8072
290.9995-0.35130.38710.85720.15532.2272-0.0799-0.0232-0.1465-0.1470.1223-0.0065-0.0183-0.2689-0.04240.0537-0.07850.05250.1061-0.00610.098-10.195534.846937.3356
300.7694-1.25210.07372.4715-0.37710.1595-0.0532-0.0150.08780.2304-0.07880.01110.0228-0.02770.1320.07770.0141-0.00050.1608-0.0260.13412.452332.788163.1723
311.3473-0.21010.27973.07970.47110.8548-0.0952-0.1182-0.16850.12730.08330.1843-0.03680.07420.0120.08060.0020.03120.13650.01680.1147-4.126626.177361.6513
320.84050.2481-0.5131.0421-0.65771.45340.06380.0592-0.01860.0355-0.1420.0504-0.0371-0.21630.07820.09850.00070.00250.1488-0.00940.1135-11.380932.809452.9709
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA2 - 192 - 19
2X-RAY DIFFRACTION2AA20 - 4120 - 41
3X-RAY DIFFRACTION3AA42 - 15442 - 154
4X-RAY DIFFRACTION4AA155 - 182155 - 182
5X-RAY DIFFRACTION5AA183 - 213183 - 213
6X-RAY DIFFRACTION6AA214 - 245214 - 245
7X-RAY DIFFRACTION7AA246 - 290246 - 290
8X-RAY DIFFRACTION8AA291 - 337291 - 337
9X-RAY DIFFRACTION9BB2 - 192 - 19
10X-RAY DIFFRACTION10BB20 - 4520 - 45
11X-RAY DIFFRACTION11BB46 - 15046 - 150
12X-RAY DIFFRACTION12BB151 - 182151 - 182
13X-RAY DIFFRACTION13BB183 - 213183 - 213
14X-RAY DIFFRACTION14BB214 - 247214 - 247
15X-RAY DIFFRACTION15BB248 - 284248 - 284
16X-RAY DIFFRACTION16BB286 - 337286 - 337
17X-RAY DIFFRACTION17CC2 - 202 - 20
18X-RAY DIFFRACTION18CC25 - 4125 - 41
19X-RAY DIFFRACTION19CC42 - 15342 - 153
20X-RAY DIFFRACTION20CC154 - 182154 - 182
21X-RAY DIFFRACTION21CC183 - 218183 - 218
22X-RAY DIFFRACTION22CC219 - 245219 - 245
23X-RAY DIFFRACTION23CC246 - 290246 - 290
24X-RAY DIFFRACTION24CC291 - 337291 - 337
25X-RAY DIFFRACTION25DD2 - 202 - 20
26X-RAY DIFFRACTION26DD25 - 6225 - 62
27X-RAY DIFFRACTION27DD63 - 15063 - 150
28X-RAY DIFFRACTION28DD151 - 182151 - 182
29X-RAY DIFFRACTION29DD183 - 218183 - 218
30X-RAY DIFFRACTION30DD219 - 245219 - 245
31X-RAY DIFFRACTION31DD246 - 285246 - 285
32X-RAY DIFFRACTION32DD286 - 337286 - 337

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