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- PDB-8fiu: Potent long-acting inhibitors targeting HIV-1 capsid based on a v... -

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Basic information

Entry
Database: PDB / ID: 8fiu
TitlePotent long-acting inhibitors targeting HIV-1 capsid based on a versatile quinazolin-4-one scaffold
ComponentsHIV-1 capsid
KeywordsANTIVIRAL-PROTEIN/INHIBITOR / HIV-1 / Capsid / Ligand complex / ANTIVIRAL PROTEIN / ANTIVIRAL-PROTEIN-INHIBITOR complex
Function / homology
Function and homology information


viral process / viral nucleocapsid / host cell cytoplasm / host cell nucleus / structural molecule activity / virion membrane / RNA binding / zinc ion binding / ATP binding / cytoplasm
Similarity search - Function
gag protein p24 N-terminal domain / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / Zinc knuckle ...gag protein p24 N-terminal domain / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile.
Similarity search - Domain/homology
Chem-Y05 / Gag polyprotein
Similarity search - Component
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.56 Å
AuthorsNolte, R.T.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: J.Med.Chem. / Year: 2023
Title: Potent Long-Acting Inhibitors Targeting the HIV-1 Capsid Based on a Versatile Quinazolin-4-one Scaffold.
Authors: Gillis, E.P. / Parcella, K. / Bowsher, M. / Cook, J.H. / Iwuagwu, C. / Naidu, B.N. / Patel, M. / Peese, K. / Huang, H. / Valera, L. / Wang, C. / Kieltyka, K. / Parker, D.D. / Simmermacher, J. ...Authors: Gillis, E.P. / Parcella, K. / Bowsher, M. / Cook, J.H. / Iwuagwu, C. / Naidu, B.N. / Patel, M. / Peese, K. / Huang, H. / Valera, L. / Wang, C. / Kieltyka, K. / Parker, D.D. / Simmermacher, J. / Arnoult, E. / Nolte, R.T. / Wang, L. / Bender, J.A. / Frennesson, D.B. / Saulnier, M. / Wang, A.X. / Meanwell, N.A. / Belema, M. / Hanumegowda, U. / Jenkins, S. / Krystal, M. / Kadow, J.F. / Cockett, M. / Fridell, R.
History
DepositionDec 16, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 15, 2023Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HIV-1 capsid
B: HIV-1 capsid
C: HIV-1 capsid
hetero molecules


Theoretical massNumber of molelcules
Total (without water)79,96713
Polymers76,7773
Non-polymers3,18910
Water15,511861
1
A: HIV-1 capsid
B: HIV-1 capsid
hetero molecules

A: HIV-1 capsid
B: HIV-1 capsid
hetero molecules

A: HIV-1 capsid
B: HIV-1 capsid
hetero molecules


Theoretical massNumber of molelcules
Total (without water)159,99627
Polymers153,5556
Non-polymers6,44121
Water1086
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_655-y+1,x-y,z1
crystal symmetry operation3_665-x+y+1,-x+1,z1
Buried area20760 Å2
ΔGint-43 kcal/mol
Surface area59100 Å2
MethodPISA
2
C: HIV-1 capsid
hetero molecules
x 6


Theoretical massNumber of molelcules
Total (without water)159,80924
Polymers153,5556
Non-polymers6,25518
Water1086
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_645-y+1,x-y-1,z1
crystal symmetry operation3_765-x+y+2,-x+1,z1
crystal symmetry operation4_755-x+2,-y,z1
crystal symmetry operation5_665y+1,-x+y+1,z1
crystal symmetry operation6_545x-y,x-1,z1
Buried area20730 Å2
ΔGint-58 kcal/mol
Surface area60210 Å2
MethodPISA
Unit cell
Length a, b, c (Å)156.197, 156.197, 56.224
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number168
Space group name H-MP6
Space group name HallP6
Symmetry operation#1: x,y,z
#2: x-y,x,z
#3: y,-x+y,z
#4: -y,x-y,z
#5: -x+y,-x,z
#6: -x,-y,z
Components on special symmetry positions
IDModelComponents
11B-583-

HOH

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Components

#1: Protein HIV-1 capsid


Mass: 25592.469 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Gene: gag / Production host: Escherichia coli (E. coli) / References: UniProt: B6DRA0
#2: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical ChemComp-Y05 / N-[(1S)-1-{(3P)-3-{4-chloro-3-[(methanesulfonyl)amino]-1-methyl-1H-indazol-7-yl}-7-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-4-oxo-3,4-dihydroquinazolin-2-yl}-2-(3,5-difluorophenyl)ethyl]-2-[(3bS,4aR)-3-(difluoromethyl)-5,5-difluoro-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl]acetamide


Mass: 918.306 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C41H38ClF6N9O5S / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 861 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.58 Å3/Da / Density % sol: 52.3 %
Crystal growTemperature: 294 K / Method: vapor diffusion, sitting drop / pH: 9 / Details: 100 mM bicine, pH 9.0 and 14% (w/v) PEG3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 18, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.56→35.18 Å / Num. obs: 111350 / % possible obs: 87.51 % / Redundancy: 14.1 % / Biso Wilson estimate: 25.68 Å2 / CC1/2: 0.998 / CC star: 0.999 / Rmerge(I) obs: 0.09385 / Rpim(I) all: 0.0258 / Net I/σ(I): 13.23
Reflection shellResolution: 1.561→1.616 Å / Redundancy: 14.5 % / Num. unique obs: 2499 / CC1/2: 0.51 / Rpim(I) all: 0.6367 / % possible all: 22.59

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
PHENIX1.20.1_4487refinement
autoPROCdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.56→35.18 Å / SU ML: 0.1679 / Cross valid method: FREE R-VALUE / σ(F): 0.01 / Phase error: 23.3239
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.1942 1866 1.91 %
Rwork0.1608 95604 -
obs0.1615 97470 87.52 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 37.02 Å2
Refinement stepCycle: LAST / Resolution: 1.56→35.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5010 0 217 861 6088
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.01675428
X-RAY DIFFRACTIONf_angle_d1.40497435
X-RAY DIFFRACTIONf_chiral_restr0.0676823
X-RAY DIFFRACTIONf_plane_restr0.0122941
X-RAY DIFFRACTIONf_dihedral_angle_d13.99882033
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.56-1.60.2483300.22751301X-RAY DIFFRACTION
1.6-1.650.29021150.21875141X-RAY DIFFRACTION61.69
1.65-1.70.24341220.21327137X-RAY DIFFRACTION85.04
1.7-1.760.24691480.22537490X-RAY DIFFRACTION89.77
1.76-1.830.2581570.20327833X-RAY DIFFRACTION94.01
1.83-1.920.20861470.18218021X-RAY DIFFRACTION95.53
1.92-2.020.20351680.16898202X-RAY DIFFRACTION97.86
2.02-2.150.18071640.16768263X-RAY DIFFRACTION98.76
2.15-2.310.19031660.14928302X-RAY DIFFRACTION99.12
2.31-2.540.1731510.15618404X-RAY DIFFRACTION99.7
2.54-2.910.1981490.1568443X-RAY DIFFRACTION99.71
2.91-3.670.18821620.15518438X-RAY DIFFRACTION99.94
3.67-35.180.18851870.1528629X-RAY DIFFRACTION99.86
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)
12.724861999560.692002502042-0.2996456730092.064333560441.057290795471.73016783986-0.0359021105008-0.4575636217970.07599244940240.953156017589-0.305239574864-0.816733464814-0.5684662207810.7375269034730.3039583340270.406091762868-0.0607819575527-0.1579504085460.386832585476-0.001818735458280.40091479407469.997011201635.505297554618.640614678
20.947553527878-1.19768856973-1.181319977793.736269796642.662882091785.758093730210.0339188667913-0.1705589648650.122962980212-0.08278808447870.147970883577-0.0747845712729-0.3319330611320.33582377286-0.2905591756030.218482553642-0.0450309774770.001737846020640.2843367140620.007551673464770.37848495543571.067781070133.4171002375-3.2478622975
30.9534544147130.272984268953-0.4889072496240.525021668054-0.1289730375140.25896064874-0.0134291121659-0.01698582861380.0733730861402-0.03133396965830.041555956993-0.05920552115050.06768720775530.0547374487359-0.03610790481150.219725026389-0.010504967154-0.006839896938370.238935421836-0.01088106643770.2977223570868.132411844726.87879794541.37625365503
41.531404158270.446602158752-0.6569353729461.0067161979-0.9571472545854.47398490181-0.163554034768-0.00050125973866-0.288459541828-0.0631942078975-0.123122382346-0.1736644632570.6929808179120.1196066155210.1423375588450.301775218781-0.03972856008670.03416957253280.223353697308-0.01477744858990.31443839947158.234037110514.83056495923.76794389012
50.7643919701730.0268959521336-0.4861901496052.430064762260.2353285600331.51894667712-0.0304474890201-0.566492818098-0.0668914813470.733788474188-0.01281715227360.3461477510160.331042474691-0.139885929660.04942336536980.401166794001-0.03862073388420.06044566176560.374293042968-0.004663022576210.29573527759156.269369988421.982344466720.5596004372
63.33742121499-0.827612434863-2.893006901471.233520556611.206040566874.65244636624-0.1318824891590.267972499869-0.4102110315720.0429367560631-0.116406793803-0.05926311993930.396045552686-0.1348572643020.1945602943320.227745442032-0.006856351037910.04139117924480.227611904967-0.03109187657850.30906385952166.553130970617.25327331611.79051680895
74.51253805087-0.26891105633-1.410356452851.175414247380.292004930353.191054147070.2619400554320.422213854040.116778473536-0.167439035793-0.2399132041740.300149899955-0.096803656703-0.2621687242510.0911053744950.399909399171-0.008701963834280.05285002999520.359119321266-0.02605778621530.31347933738182.305402977410.1157169049-19.3776978377
82.65347581348-0.170518093571-1.503041009141.679989867710.5344354808374.21771248387-0.1059210361320.1423994939080.0218634828524-0.113563931237-0.1473295173630.18194104910.0501667508229-0.05057197318750.2559493551250.292402701898-0.007865127476230.01953804549520.231298892132-0.008151337172980.27575430028285.182877142113.7043746589-12.8128921098
97.67791731845-3.56068788233-0.9343910002213.90149889020.3174837595320.155268604280.0906045837567-1.42618083694-0.0161524909444-0.01511538485610.1054510331090.1477493519060.04566716074740.316710277732-0.1624615856410.458881832053-0.060176868390.01069447175980.4634474678490.005302933192420.36327358505880.64131830194.67069880983-5.03555110286
103.40107237924-0.554421717718-0.1477905187522.885567629710.4169803303094.338361607090.1604379010560.630239070828-0.9290137520140.3084145244120.227091634726-0.5575000418981.468699265181.15581665789-0.1550461766270.5673338849240.1469817054910.04042599794150.512924830099-0.1282028443690.39299314489394.16009869443.2170473309-18.1710606075
117.08046472376-1.515938550632.687392242635.542944813842.830551944593.29587903555-0.276767111230.1597037330280.6141341105950.7611417939470.199302426512-0.5113316448530.7324650457261.425382931550.04778512800240.4610965251460.1655406352060.07206760835310.4369776380870.00723571367470.37166918474898.13932732328.95180509927-10.323331106
123.03401821766-0.691071010541-0.1705858413722.94715019404-1.492327714480.824976501324-0.55005370725-0.940492702070.6638908193070.7512725560910.0692529629371-0.0883235006736-1.11255062211-0.4671605356390.3386526768810.3876136609470.0228561395398-0.05969093291330.38248735569-0.1230295555550.39362871476182.547774436633.399079662317.9656091683
134.22877365697-0.854722747656-2.691788610360.924212349541.079064695925.096738221630.164517004465-0.1696669200560.3362959453670.0959084088737-0.06012270817930.0871351697409-0.434994096792-0.112795665651-0.1253792852960.2317923988990.004811425300240.008244561124720.2144438713630.008288173679470.35258991693584.586993433233.0465271157-3.21589730762
140.8935728078260.240286957657-0.3549705893251.303090702930.1030663955681.97073871124-0.029922961038-0.0963506185246-0.03843640025640.0196858037064-0.0264343566585-0.02065026071040.2051463104650.1465609165530.06568443099310.1939161526610.03075462192910.01629535201920.2079133588760.00652504977350.25780387222791.131134149820.75185996182.63703487787
151.98511246989-0.742296084678-0.9308963432120.604178408821-0.2841257290712.56340700764-0.09194677602-0.395663355414-0.09232202735680.3732812901510.01156246662480.1200005637590.2748719560450.2052644243390.1089847457630.3991468283760.02804623126250.03311794966350.3581189073180.04682557983550.26874953028686.821187519115.078993911120.739357684
162.231040382711.6461962108-2.508800742252.19893951332-1.980037781876.0480529821-0.147228221993-0.0311751517686-0.0255526229839-0.165282360730.0130952069657-0.247577328550.4313925789460.2521121526190.04962515499220.1946693478530.04067228819910.01749948351070.2141330930490.02960651540610.28467683913496.352904487721.07894312772.33447219245
173.249273445250.744195118322-1.540100609091.894475755721.043146777993.5556820072-0.2618169990750.261214291522-0.354072106244-0.4039776544170.1582498705030.093564701368-0.0408941076953-0.5766984531030.1696224161970.3111034223020.02968682934330.03735132515530.310575008610.01782841508190.25474047578110.51950173730.9223104832-19.3236747483
182.807036811250.357488856491-1.34609399732.39639925957-0.1700383690673.853676793540.03028045630890.176701919721-0.0561825117577-0.214398328007-0.1956997847060.102695734821-0.0809792621926-0.08363209382240.1494884983590.2204585928460.0562352690164-0.005637856122740.2789119264710.0003150838809790.246313140272108.59917991834.8359400483-12.6359552415
193.674187473611.48612142996-1.125122401711.920524595771.157216145532.152132333790.0422869840171-0.621484834168-0.6499494306260.5681419188830.212010879174-0.07170330859380.170497486422-0.229218879256-0.5119558260620.3299968315490.08655873118380.01893326580750.362693432760.1106982771180.312335237679116.34569437330.2473538722-11.3630533163
205.717397473491.586542773020.02416763693527.101928534082.411027581724.926384253730.1347269762820.6990853536490.08681832044-0.5115809637320.281456712953-1.493337387840.03689973795520.682818508839-0.3499587639040.373613093087-0.04510592375790.1222888714320.41607336157-0.05682319885570.46296409043124.0286179240.1096944951-18.807034971
215.734862402452.40092862009-2.178657393164.174343439291.500669914277.915136809440.187595511833-0.7481804450190.266767024672-0.103748578812-0.0580031247277-0.0707725274154-0.4080803849470.0806549490921-0.2072935687640.274615351934-0.01157469112130.0576362476070.2976547176370.05900238461780.326921549014119.349707644.3700519059-10.7476229385
221.937163620280.7890421204450.389165667541.178221085940.8469530284711.710884759040.0485198076949-0.160270501276-0.2164217981990.0615736066597-0.0088300851176-0.1325972978490.0581490570820.0589817855249-0.05995744613970.2012848630130.0171770877579-0.005240147385170.1733003765610.05036208238640.2305856341142.6064415277.38909913812-24.5308630483
231.23953384272-0.5190856484-0.1784032542181.295273353650.2145377339891.396380318120.00974451873407-0.0171365045855-0.03680268115550.0276042941285-0.04418502475410.0492658870227-0.138253521084-0.2240439317650.05488955062770.1930306730870.0274426867196-0.0001801812151720.2148773081590.01262881584460.193672142758132.03877391419.4938328234-26.9658046013
241.493183288920.00492190207070.6723892945550.210597952008-0.5929211812991.35112885406-0.218821259053-0.648576319040.2906134259140.2355973354850.00299835742504-0.0166219375994-1.00550415319-0.6907841780210.2567216280310.4469439848240.120112151562-0.04456339036640.439666587539-0.07752880745620.237280791823130.90583074326.3197428181-7.6017812329
253.29320121635-0.07730377471280.8298414318434.22031626859-0.2977752406163.45993157375-0.022510856208-0.527990629841-0.06695935898650.4868247293350.101988885669-0.1534776238380.111573206866-0.1663238811-0.08180539103540.2672996851950.0109266916748-0.003893888169610.2994104736630.005030246668040.195065083854137.93230963718.6012445453-10.2738479101
260.9074973434270.5660795374680.9055358381973.735347906753.175698521535.92739429454-0.0205317470818-0.0180954336065-0.0093900748094-0.310683549906-0.1857825716930.219178188515-0.164220924792-0.3834848962320.1090366876180.175769451940.0157321445812-0.008907673663510.211660425310.003122036021570.222715946388128.80322160112.6245928096-27.7092862859
271.633998205370.7453766164911.019503480823.111131771111.076354427883.87110776688-0.132964185550.3529723205630.278934319996-0.361911761408-0.0003798302433340.0972828151057-0.388709656301-0.06770294003320.1093082660420.2404570636410.00511368419728-0.03899165657360.3118008669520.04502020760310.201999874683122.940169491-4.39751080533-45.6420311572
281.09542761058-0.322460186081-0.5442309065162.40001242782-1.292882028071.139608559680.376239077543-0.6788277288620.7521094808981.90390123346-0.3080945825340.906031946577-0.150738339871-1.00624597668-0.2154730327870.72036651475-0.03354639875460.08694529397110.565975849956-0.1096715359960.400248800289115.5023963-2.50185063136-37.0610813425
291.60842405210.4379182149440.4071673672985.56648342641-3.973857487833.55464636027-0.04854288876930.184357603026-0.507564338055-0.6098441815690.6143513445240.9621213461820.882116975073-0.723991148612-0.3783371415310.334434030475-0.114333477743-0.1289073356890.5300141596550.01341634678850.335258376103114.098618411-15.4324517155-48.8838841132
302.242071512480.8079410532951.176086407323.50294475843-0.05151210138194.54471962940.0621780539384-0.404349849063-0.2124299945940.109356252408-0.233258337060.2274707557690.379011382879-0.6211180096730.1111555405570.310246949404-0.0646931704224-0.01956476463080.345930480094-0.03121682535410.266416309974119.549096795-18.6417755245-40.2824740114
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'A' and (resid 1 through 16 )AA1 - 161 - 16
22chain 'A' and (resid 17 through 30 )AA17 - 3017 - 30
33chain 'A' and (resid 31 through 62 )AA31 - 6231 - 62
44chain 'A' and (resid 63 through 83 )AA63 - 8363 - 83
55chain 'A' and (resid 84 through 125 )AA84 - 12584 - 125
66chain 'A' and (resid 126 through 145 )AA126 - 145126 - 145
77chain 'A' and (resid 146 through 160 )AA146 - 160146 - 160
88chain 'A' and (resid 161 through 174 )AA161 - 174161 - 174
99chain 'A' and (resid 175 through 189 )AA175 - 189175 - 189
1010chain 'A' and (resid 190 through 205 )AA190 - 205190 - 205
1111chain 'A' and (resid 206 through 219 )AA206 - 219206 - 219
1212chain 'B' and (resid 1 through 16 )BB1 - 161 - 16
1313chain 'B' and (resid 17 through 30 )BB17 - 3017 - 30
1414chain 'B' and (resid 31 through 83 )BB31 - 8331 - 83
1515chain 'B' and (resid 84 through 125 )BB84 - 12584 - 125
1616chain 'B' and (resid 126 through 145 )BB126 - 145126 - 145
1717chain 'B' and (resid 146 through 160 )BB146 - 160146 - 160
1818chain 'B' and (resid 161 through 175 )BB161 - 175161 - 175
1919chain 'B' and (resid 176 through 195 )BB176 - 195176 - 190
2020chain 'B' and (resid 196 through 205 )BB196 - 205191 - 200
2121chain 'B' and (resid 206 through 219 )BB206 - 219201 - 214
2222chain 'C' and (resid 1 through 48 )CC1 - 481 - 48
2323chain 'C' and (resid 49 through 83 )CC49 - 8349 - 83
2424chain 'C' and (resid 84 through 104 )CC84 - 10484 - 104
2525chain 'C' and (resid 105 through 125 )CC105 - 125105 - 125
2626chain 'C' and (resid 126 through 145 )CC126 - 145126 - 145
2727chain 'C' and (resid 146 through 174 )CC146 - 174146 - 174
2828chain 'C' and (resid 175 through 192 )CC175 - 192175 - 192
2929chain 'C' and (resid 193 through 205 )CC193 - 205193 - 205
3030chain 'C' and (resid 206 through 219 )CC206 - 219206 - 219

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