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- PDB-3saa: Crystal structure of Wild-type HIV-1 protease in complex With AF77 -

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Basic information

Entry
Database: PDB / ID: 3saa
TitleCrystal structure of Wild-type HIV-1 protease in complex With AF77
ComponentsProtease
KeywordsHYDROLASE/HYDROLASE INHIBITOR / HIV-1 protease / drug resistance / drug design / protease inhibitors / AIDS / aspartyl protease / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


aspartic-type endopeptidase activity / proteolysis
Similarity search - Function
Retropepsin-like catalytic domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Cathepsin D, subunit A; domain 1 / Acid Proteases / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily ...Retropepsin-like catalytic domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Cathepsin D, subunit A; domain 1 / Acid Proteases / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
N-[(2S,3R)-4-{(CYCLOHEXYLMETHYL)[(4-METHOXYPHENYL)SULFONYL]AMINO}-3-HYDROXY-1-PHENYLBUTAN-2-YL]-3-HYDROXYBENZAMIDE / Chem-77F / PHOSPHATE ION / Protease
Similarity search - Component
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsSchiffer, C.A. / Nalam, M.N.L.
CitationJournal: To be Published
Title: Protease Inhibitors that protrude out from substrate envelope are more susceptible to developing drug resistance
Authors: Altman, M.D. / Nalam, M.N.L. / Ali, A. / Cao, H. / Rana, T.M. / Schiffer, C.A. / Tidor, B.
History
DepositionJun 2, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 6, 2012Provider: repository / Type: Initial release
Revision 1.1Dec 12, 2012Group: Other
Revision 1.2Nov 8, 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
Revision 1.3Sep 13, 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 / 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_ref_seq_dif.details / _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: Protease
B: Protease
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,3885
Polymers21,6322
Non-polymers7573
Water1,820101
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4270 Å2
ΔGint-35 kcal/mol
Surface area9350 Å2
MethodPISA
Unit cell
Length a, b, c (Å)51.007, 58.114, 61.971
Angle α, β, γ (deg.)90.0, 90.0, 90.0
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Protease /


Mass: 10815.790 Da / Num. of mol.: 2 / Mutation: Q7K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Strain: HXB2 / Gene: gag-pol, pol / Plasmid: pXC35 / Production host: Escherichia coli (E. coli) / Strain (production host): TAP106 / References: UniProt: O38732
#2: Chemical ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-77F / N-[(2S,3R)-4-{(cyclohexylmethyl)[(4-methoxyphenyl)sulfonyl]amino}-3-hydroxy-1-phenylbutan-2-yl]-3-hydroxybenzamide


Type: Peptide-like / Class: Inhibitor / Mass: 566.708 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C31H38N2O6S
References: N-[(2S,3R)-4-{(CYCLOHEXYLMETHYL)[(4-METHOXYPHENYL)SULFONYL]AMINO}-3-HYDROXY-1-PHENYLBUTAN-2-YL]-3-HYDROXYBENZAMIDE
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 101 / 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: 2.12 Å3/Da / Density % sol: 42.06 %
Crystal growTemperature: 295 K / Method: hanging drop, vapor diffusion / pH: 6.2
Details: 24-29% ammonium sulfate, 63 mM sodium citrate, 126 mM phosphate buffer, pH 6.2, HANGING DROP, VAPOR DIFFUSION, temperature 295K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Dec 14, 2009
RadiationProtocol: SINGLE WAVELENGTH / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.95→50 Å / Num. obs: 12874 / % possible obs: 92.1 % / Redundancy: 6.9 % / Rmerge(I) obs: 0.048 / Χ2: 1.007 / Net I/σ(I): 18.8
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique allΧ2Diffraction-ID% possible all
1.95-2.026.20.1878541.096162.3
2.02-2.16.50.1511821.023187
2.1-2.27.20.12812931.008194.5
2.2-2.316.80.11413131.055194.7
2.31-2.467.30.08913021.026195.5
2.46-2.657.20.07213340.988195.8
2.65-2.917.10.05613430.984196.6
2.91-3.337.20.0413691.03197.9
3.33-4.26.60.03213841.051197
4.2-506.70.02715000.863198.6

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACT3.1data extraction
HKL-2000data reduction
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1F7A
Resolution: 1.95→42.39 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.919 / WRfactor Rfree: 0.2294 / WRfactor Rwork: 0.1746 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.842 / SU B: 7.904 / SU ML: 0.113 / SU R Cruickshank DPI: 0.2017 / SU Rfree: 0.175 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.202 / ESU R Free: 0.175 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.2281 638 5 %RANDOM
Rwork0.1732 ---
obs0.1758 12798 91.84 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso max: 81.83 Å2 / Biso mean: 28.9368 Å2 / Biso min: 15.95 Å2
Baniso -1Baniso -2Baniso -3
1--0.8 Å20 Å20 Å2
2--0.11 Å20 Å2
3---0.69 Å2
Refinement stepCycle: LAST / Resolution: 1.95→42.39 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1498 0 50 101 1649
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0221655
X-RAY DIFFRACTIONr_bond_other_d0.0020.021124
X-RAY DIFFRACTIONr_angle_refined_deg1.4742.0172262
X-RAY DIFFRACTIONr_angle_other_deg0.86432772
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.1325211
X-RAY DIFFRACTIONr_dihedral_angle_2_deg43.73424.91559
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.87815282
X-RAY DIFFRACTIONr_dihedral_angle_4_deg12.121159
X-RAY DIFFRACTIONr_chiral_restr0.0870.2263
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0211820
X-RAY DIFFRACTIONr_gen_planes_other0.0020.02302
X-RAY DIFFRACTIONr_mcbond_it0.5771.51025
X-RAY DIFFRACTIONr_mcbond_other0.1731.5428
X-RAY DIFFRACTIONr_mcangle_it0.93421674
X-RAY DIFFRACTIONr_scbond_it1.6483630
X-RAY DIFFRACTIONr_scangle_it2.4714.5588
LS refinement shellResolution: 1.95→2.001 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.175 29 -
Rwork0.157 563 -
all-592 -
obs--58.85 %
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)
11.58851.8965-2.18235.6326-2.84994.3265-0.25670.308-0.074-0.45240.1577-0.09770.0971-0.30140.0990.1533-0.0303-0.01710.1156-0.03290.0671-4.98741.2968-32.6679
218.5444-0.70263.45631.65831.65472.8779-0.08980.1564-0.4047-0.0147-0.01830.04460.1915-0.02780.10810.2059-0.02020.09620.0721-0.00210.14783.1333-3.0159-26.1925
30.89810.33261.66216.91766.92048.92690.04990.38130.1925-0.02380.2226-0.59550.07940.796-0.27250.0779-0.00550.07050.18620.09030.353916.8517-2.0091-22.961
46.8906-2.5263-1.91145.55960.32730.5616-0.12960.0472-0.2209-0.05830.018-0.18330.0627-0.01430.11160.15530.03430.06020.14650.02230.07513.8808-2.1072-22.6148
51.5263-1.51190.06042.14020.38972.0455-0.0525-0.22640.15910.10320.08-0.1562-0.06490.0188-0.02750.0705-0.02360.00050.0855-0.01090.05340.29574.1022-14.7967
610.75540.53260.95282.16580.6290.3319-0.0395-0.1174-0.35660.2982-0.0175-0.31330.13940.01570.05710.1490.02470.04120.12130.07910.305511.5203-6.0236-13.1594
712.6872.7275-2.453510.24213.86232.4716-0.1033-0.99040.8051-0.28340.4434-0.1569-0.10650.5257-0.34010.07340.0227-0.02180.343-0.0080.11916.72441.0642-6.934
85.80450.70783.69731.92781.574.76890.0324-0.19830.27940.0223-0.09410.15070.0804-0.12710.06160.0767-0.01860.00440.05580.0030.0545-0.6655-1.099-4.986
910.66373.35140.65291.865-0.67384.2462-0.0099-0.12790.00510.2022-0.0337-0.0273-0.09060.2760.04360.095-0.022-0.00530.066-0.00520.0555.2702-1.5557-4.5237
103.184-4.28410.93587.3417-6.306816.4431-0.1709-0.14040.41890.3412-0.0975-0.6162-0.41750.79530.26830.0481-0.0798-0.03250.20510.03790.173214.89836.2154-12.5537
114.8882.51131.17298.3103-3.157912.4734-0.00730.2585-0.253-0.4899-0.1067-0.18760.11560.24480.1140.06950.00470.05410.079-0.00410.104310.63135.4096-26.6143
123.50970.42-2.34012.66220.00767.57960.0613-0.01590.21650.1002-0.0271-0.1078-0.15180.1756-0.03420.0157-0.0275-0.01750.06720.02570.106412.03228.1572-18.0063
133.39792.10141.82893.84861.38994.7151-0.0307-0.2013-0.0650.0449-0.05880.09080.26310.00860.08950.05990.00890.00850.07610.02640.06715.1035-4.5741-11.0517
140.28050.1152-0.28240.0713-0.3522.6599-0.0161-0.011-0.0782-0.0019-0.0409-0.03030.07680.11580.0570.095-0.02310.02840.0853-0.00560.0882.23431.2132-17.9437
154.1535-0.58882.99060.83720.563.43850.05860.03430.1454-0.0601-0.0204-0.1314-0.01850.0029-0.03820.0787-0.00310.01670.0717-0.00330.09335.136110.1307-20.6059
163.23862.09952.95744.19662.2823.618-0.2819-0.06490.1214-0.10560.07370.3232-0.2072-0.29290.20820.1178-0.0303-0.00920.12720.02110.0733-5.98210.8277-27.9211
175.38022.0631-0.54042.37880.95631.7461-0.18650.14070.4802-0.2706-0.01890.2661-0.1857-0.08550.20550.1587-0.0296-0.06970.06550.03990.1589-4.913414.9042-23.2788
1827.74822.40436.86552.32241.77859.45850.2194-0.8047-0.55020.39190.03930.31550.1884-0.104-0.25870.09170.00610.04230.04950.02510.1165-9.665211.2249-16.3987
1917.03366.65561.93963.7753.44236.36010.0553-0.07140.79330.0391-0.32960.38420.0764-0.72110.27430.09730.051-0.06380.18310.01330.3206-24.65666.9897-19.057
2014.0568-6.14094.89665.86045.935522.2254-0.6322-1.9461-0.15530.60460.49730.16460.7129-1.42880.13490.160.00680.12460.3132-0.02120.4321-21.63848.0818-14.7701
214.06771.5771-1.44212.34730.61973.09690.0469-0.02020.0998-0.05660.1036-0.0685-0.0756-0.0016-0.15060.0478-0.0112-0.01850.03110.00760.0515-8.7111.2876-20.6626
2211.06840.082-11.25241.5311-0.178521.2143-0.1063-0.0075-0.11780.1470.07880.25930.1958-0.25250.02750.0726-0.0252-0.00670.03690.02740.078-17.593-2.2293-14.3509
239.8374-3.97393.13138.12793.33214.24060.2097-0.0233-0.4742-0.1977-0.26570.5001-0.0338-0.21180.05590.1148-0.02460.01910.18230.10020.1393-25.1501-8.9391-14.5407
2411.581210.88876.159810.57564.271110.59230.0272-0.2409-0.22390.0209-0.1564-0.2263-0.2661-0.17240.12920.0999-0.0204-0.02740.09540.0380.081-7.3417-8.8871-11.2072
257.08090.44212.60122.9184-2.03953.50310.1684-0.159-0.05620.00910.02290.29750.139-0.1678-0.19140.0731-0.01270.0050.057-0.01010.0673-16.1557-10.4916-11.8827
2610.2476-4.99373.088820.8238-7.728111.07860.19340.3014-0.3257-0.810.04050.42240.40440.1196-0.23390.0468-0.025-0.02140.06880.04140.1386-25.1224-5.6447-22.244
2721.29755.7243-14.470111.2043-12.207717.06611.12910.04610.7150.2061-0.60710.17-0.91680.4285-0.5220.5835-0.0492-0.11610.12510.11060.2624-20.9198.1504-25.7873
285.0042-0.46422.840712.6842-6.81688.9673-0.27160.13020.09020.12120.15880.1258-0.0354-0.10580.11280.0467-0.0146-0.02790.05480.02580.0793-22.1886-1.0424-25.7306
295.15943.3346-2.22064.40071.94576.52110.0217-0.3226-0.07580.0827-0.14340.1348-0.18430.21740.12170.1770.0030.05850.06880.04620.131-16.3686-3.5337-10.8125
303.6381-0.2698-2.53634.23851.76225.2505-0.05640.05410.25410.36670.15310.28880.2795-0.0486-0.09680.0643-0.01020.01770.02290.020.0693-12.75940.955-18.6971
317.79076.64271.750311.7393-5.19557.7561-0.42880.54320.2682-0.19190.53740.3886-0.2860.0531-0.10860.0784-0.0087-0.00440.19720.05710.0711-15.13031.0251-28.1318
3211.73054.2851.87144.4426-3.22295.8482-0.0580.1572-0.0735-0.23520.1511-0.0760.1732-0.0558-0.09310.1364-0.03040.02560.0824-0.01070.1206-3.57967.321-30.3929
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1 - 7
2X-RAY DIFFRACTION2A8 - 13
3X-RAY DIFFRACTION3A14 - 19
4X-RAY DIFFRACTION4A20 - 25
5X-RAY DIFFRACTION5A26 - 32
6X-RAY DIFFRACTION6A33 - 37
7X-RAY DIFFRACTION7A38 - 43
8X-RAY DIFFRACTION8A44 - 52
9X-RAY DIFFRACTION9A53 - 58
10X-RAY DIFFRACTION10A59 - 63
11X-RAY DIFFRACTION11A64 - 69
12X-RAY DIFFRACTION12A70 - 75
13X-RAY DIFFRACTION13A76 - 81
14X-RAY DIFFRACTION14A82 - 87
15X-RAY DIFFRACTION15A88 - 93
16X-RAY DIFFRACTION16A94 - 99
17X-RAY DIFFRACTION17B1 - 6
18X-RAY DIFFRACTION18B7 - 11
19X-RAY DIFFRACTION19B12 - 17
20X-RAY DIFFRACTION20B18 - 22
21X-RAY DIFFRACTION21B23 - 29
22X-RAY DIFFRACTION22B30 - 35
23X-RAY DIFFRACTION23B36 - 45
24X-RAY DIFFRACTION24B46 - 52
25X-RAY DIFFRACTION25B53 - 58
26X-RAY DIFFRACTION26B59 - 63
27X-RAY DIFFRACTION27B64 - 69
28X-RAY DIFFRACTION28B70 - 75
29X-RAY DIFFRACTION29B76 - 81
30X-RAY DIFFRACTION30B82 - 87
31X-RAY DIFFRACTION31B88 - 93
32X-RAY DIFFRACTION32B94 - 99

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