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- PDB-5y9e: Crystal structure of HPV58 pentamer -

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Basic information

Entry
Database: PDB / ID: 5y9e
TitleCrystal structure of HPV58 pentamer
ComponentsMajor capsid protein L1
KeywordsSTRUCTURAL PROTEIN / capsid protein / pentamer
Function / homology
Function and homology information


T=7 icosahedral viral capsid / endocytosis involved in viral entry into host cell / host cell nucleus / virion attachment to host cell / structural molecule activity
Similarity search - Function
Major capsid L1 (late) superfamily, Papillomavirus / Major capsid L1 (late) protein, Papillomavirus / Major capsid L1 (late) superfamily, Papillomavirus / L1 (late) protein / Polyomavirus Vp1; Chain A / Double-stranded DNA virus, group I, capsid / Sandwich / Mainly Beta
Similarity search - Domain/homology
Major capsid protein L1
Similarity search - Component
Biological speciesHuman papillomavirus type 58
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.042 Å
AuthorsLi, S.W. / Li, Z.H.
Funding support China, 4items
OrganizationGrant numberCountry
National Natural Science Foundation of China31670935 China
National Natural Science Foundation of China81671645 China
National Natural Science Foundation of China81571996 China
Natural Science Foundation of Fujian Province2015YZ0002 China
CitationJournal: mBio / Year: 2017
Title: Crystal Structures of Two Immune Complexes Identify Determinants for Viral Infectivity and Type-Specific Neutralization of Human Papillomavirus.
Authors: Zhihai Li / Daning Wang / Ying Gu / Shuo Song / Maozhou He / Jingjie Shi / Xinlin Liu / Shuangping Wei / Jinjin Li / Hai Yu / Qingbing Zheng / Xiaodong Yan / Timothy S Baker / Jun Zhang / ...Authors: Zhihai Li / Daning Wang / Ying Gu / Shuo Song / Maozhou He / Jingjie Shi / Xinlin Liu / Shuangping Wei / Jinjin Li / Hai Yu / Qingbing Zheng / Xiaodong Yan / Timothy S Baker / Jun Zhang / Jason S McLellan / Shaowei Li / Ningshao Xia /
Abstract: Persistent, high-risk human papillomavirus (HPV) infection is the primary cause of cervical cancer. Neutralizing antibodies elicited by L1-only virus-like particles (VLPs) can block HPV infection; ...Persistent, high-risk human papillomavirus (HPV) infection is the primary cause of cervical cancer. Neutralizing antibodies elicited by L1-only virus-like particles (VLPs) can block HPV infection; however, the lack of high-resolution structures has limited our understanding of the mode of virus infection and the requirement for type specificity at the molecular level. Here, we describe two antibodies, A12A3 and 28F10, that specifically bind to and neutralize HPV58 and HPV59, respectively, through two distinct binding stoichiometries. We show that the epitopes of A12A3 are clustered in the DE loops of two adjacent HPV58 L1 monomers, whereas 28F10 recognizes the HPV59 FG loop of a single monomer. Via structure-based mutagenesis and analysis of antibody binding, we further identified the residues HPV58 D154, S168, and N170 and HPV59 M267, Q270, E273, Y276, K278, and R283, which play critical roles in virus infection. By substituting these strategic epitope residues into other HPV genotypes, we could then redirect the type-specific binding of the antibodies to these genotypes, thus highlighting the importance of these specific residues, HPV58 R161, S168, and N308 and HPV59 Q270, E273, and D281. Overall, our findings provide molecular insights into potential structural determinants of HPV required for infectivity and type specificity. High-risk human papillomaviruses (HPVs) are considered the major causative pathogens of cancers that affect epithelial mucosa, such as cervical cancer. However, because of the lack of high-resolution structural information on the sites of neutralization, we have yet to determine the precise mode of HPV infection and how different types of HPV cause infection. Our crystal structures in this study have uncovered discrete binding stoichiometries for two different antibodies. We show that one A12A3 Fab binds to the center of one HPV58 pentamer, whereas five 28F10 Fabs bind along the top fringe of one HPV59 pentamer. Furthermore, through targeted epitope analysis, we show that 6 to 7 discontinuous residues of the L1 major capsid protein of HPV are determinants, at least in part, for virus infection and type specificity. This knowledge will help us to unravel the process of HPV infection and can potentially be used to drive the development of therapeutics that target neutralization-sensitive sites.
History
DepositionAug 24, 2017Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 25, 2017Provider: repository / Type: Initial release
Revision 1.1Mar 27, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Major capsid protein L1
B: Major capsid protein L1
C: Major capsid protein L1
D: Major capsid protein L1
E: Major capsid protein L1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)278,79954
Polymers276,2525
Non-polymers2,54749
Water19,8351101
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area44100 Å2
ΔGint-427 kcal/mol
Surface area73440 Å2
MethodPISA
Unit cell
Length a, b, c (Å)187.213, 101.804, 136.195
Angle α, β, γ (deg.)90.00, 95.68, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein
Major capsid protein L1


Mass: 55250.492 Da / Num. of mol.: 5 / Fragment: UNP RESIDUES 36-524 / Mutation: C202S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human papillomavirus type 58 / Gene: L1 / Production host: Escherichia coli (E. coli) / References: UniProt: P26535
#2: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 20 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 29 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1101 / 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: 2.34 Å3/Da / Density % sol: 47.38 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / Details: 0.2 M magnesium formate, 14.5% (w/v) PEG 3350

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Data collection

DiffractionMean temperature: 80 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.9792 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Sep 10, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9792 Å / Relative weight: 1
ReflectionResolution: 2.04→30 Å / Num. obs: 159674 / % possible obs: 99.2 % / Redundancy: 7 % / Net I/σ(I): 19.6

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Processing

Software
NameVersionClassification
PHENIX(1.11.1_2575)refinement
HKL-2000data scaling
PHASERphasing
RefinementResolution: 2.042→29.781 Å / SU ML: 0.2 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 24.24 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1983 12229 7.67 %
Rwork0.1684 --
obs0.1707 159523 98.92 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.042→29.781 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16623 0 149 1101 17873
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00217174
X-RAY DIFFRACTIONf_angle_d0.52523269
X-RAY DIFFRACTIONf_dihedral_angle_d12.65410161
X-RAY DIFFRACTIONf_chiral_restr0.0442468
X-RAY DIFFRACTIONf_plane_restr0.0033031
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.0416-2.06480.32033430.28494062X-RAY DIFFRACTION83
2.0648-2.0890.294050.26314773X-RAY DIFFRACTION97
2.089-2.11450.30264100.25374801X-RAY DIFFRACTION98
2.1145-2.14130.26673750.23664838X-RAY DIFFRACTION98
2.1413-2.16940.26144040.22574955X-RAY DIFFRACTION99
2.1694-2.19910.24424100.21584840X-RAY DIFFRACTION99
2.1991-2.23060.26453980.21164902X-RAY DIFFRACTION99
2.2306-2.26380.2633950.20414972X-RAY DIFFRACTION99
2.2638-2.29920.23833830.19654877X-RAY DIFFRACTION100
2.2992-2.33690.22294110.18614917X-RAY DIFFRACTION100
2.3369-2.37720.23873940.19064982X-RAY DIFFRACTION100
2.3772-2.42040.24294460.18834921X-RAY DIFFRACTION100
2.4204-2.46690.25854060.18684950X-RAY DIFFRACTION100
2.4669-2.51720.2174130.17334881X-RAY DIFFRACTION100
2.5172-2.57190.21084070.1694984X-RAY DIFFRACTION100
2.5719-2.63170.22614270.17084940X-RAY DIFFRACTION100
2.6317-2.69750.21453800.16834963X-RAY DIFFRACTION100
2.6975-2.77040.20773870.16985001X-RAY DIFFRACTION100
2.7704-2.85180.21933980.16894987X-RAY DIFFRACTION100
2.8518-2.94380.21664020.17724939X-RAY DIFFRACTION100
2.9438-3.04890.21064270.1654950X-RAY DIFFRACTION100
3.0489-3.17090.20184290.15984948X-RAY DIFFRACTION100
3.1709-3.3150.17814350.16384960X-RAY DIFFRACTION100
3.315-3.48950.18813840.15864963X-RAY DIFFRACTION100
3.4895-3.70780.17414100.15324991X-RAY DIFFRACTION100
3.7078-3.99340.1594650.14674925X-RAY DIFFRACTION100
3.9934-4.39420.15234030.13815008X-RAY DIFFRACTION100
4.3942-5.02740.14884470.12124969X-RAY DIFFRACTION100
5.0274-6.3240.17064160.15015006X-RAY DIFFRACTION100
6.324-29.78420.21074190.19165089X-RAY DIFFRACTION99
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)
11.75590.91320.18730.80410.32750.64360.08240.0709-0.2540.0553-0.07360.02880.1866-0.2673-0.06280.329-0.0982-0.00540.4717-0.03320.351835.6332-3.196144.6189
20.66950.2868-0.36830.15330.08660.61740.1175-0.1317-0.0708-0.009-0.0811-0.05870.08280.2293-0.01840.273-0.0139-0.00920.40020.01960.299374.98518.932957.4867
31.25250.05410.05910.08310.06330.60050.07220.0997-0.2917-0.0257-0.0148-0.03090.1855-0.0523-0.06820.3318-0.0391-0.04080.3321-0.02370.346661.7888-2.003745.3512
41.668-0.11330.0190.0812-0.28640.5360.05720.2075-0.0758-0.0334-0.0119-0.00510.0694-0.0657-0.03970.3061-0.0175-0.01960.3682-0.06470.320670.64328.693644.7825
51.62391.44360.76982.22081.55351.4666-0.05950.5203-0.0345-0.02230.10430.0574-0.1342-0.2154-0.05390.2701-0.074-0.02840.5066-0.03490.321941.1899-0.666336.6154
61.23360.4930.61890.74110.5781.4713-0.0407-0.11310.02430.0369-0.04710.0746-0.0871-0.13980.07290.2749-0.04210.01340.4866-0.00030.291347.183410.380761.1385
71.13820.40760.030.80550.67090.9851-0.00050.2191-0.32390.0263-0.03270.07910.3094-0.29460.02610.3517-0.1397-0.01530.5444-0.06170.426532.0158-6.650238.5085
81.330.08630.34850.64270.06840.9054-0.1292-0.03820.1744-0.08920.05660.1568-0.1952-0.19850.00180.28870.07160.00680.5109-0.00980.392231.65937.407850.1491
91.04320.20610.84980.4311-0.12890.8537-0.0881-0.36670.40310.05990.00740.0727-0.155-0.44730.09280.32560.09380.04180.566-0.10180.430835.179339.100959.3238
100.22530.0305-0.14880.35830.05950.24960.04360.0250.1182-0.0288-0.02410.2134-0.1539-0.26-0.00290.32150.0663-0.00140.5901-0.02860.475131.44837.45848.0871
110.3453-0.106-0.33120.59370.26660.2830.0987-0.39510.05850.0798-0.0169-0.07140.0583-0.1016-0.06350.2757-0.0435-0.00310.37780.00120.288362.230122.108861.957
122.096-0.48650.2771.6301-0.02070.80410.0319-0.3371-0.21760.2051-0.0240.16060.0386-0.2822-0.01660.2927-0.03540.03370.5555-0.00650.316341.165619.931862.6178
130.8471-0.3040.12540.43460.08820.20980.031-0.1441-0.04120.0065-0.00950.08440.0491-0.1849-0.01530.2861-0.03690.00080.47680.00270.302451.728719.676857.2034
143.22990.4761-0.18140.8047-0.40080.2158-0.09110.2116-0.1912-0.20560.0850.1902-0.0723-0.3337-0.00250.26660.0380.00420.5914-0.02320.425128.150229.744144.7734
150.79310.06940.19970.2937-0.08390.4982-0.0022-0.01980.21680.01720.00940.0303-0.1671-0.047-0.00760.33020.02960.0090.4346-0.06080.410450.776444.885656.6505
161.37460.5380.27081.2272-0.07680.1464-0.0008-0.22290.21070.0069-0.00680.4303-0.0284-0.28510.03390.30490.10220.00610.6335-0.02080.505221.712636.238247.0681
170.48380.04860.09060.7172-0.00671.77380.00230.416-0.2567-0.1863-0.0479-0.02270.3068-0.30970.00680.4237-0.0076-0.00180.6973-0.19720.4267.667-7.754616.0959
180.4988-0.1596-0.34850.9147-0.46490.53160.04890.10510.04310.1784-0.1193-0.1363-0.02690.08850.05960.2503-0.0021-0.00980.42890.02730.26387.688316.160646.1708
190.61420.0840.06780.28390.07070.60740.03250.3097-0.1142-0.0564-0.0159-0.04130.08840.0436-0.01460.29030.0295-0.0060.5216-0.04130.286978.38088.198829.155
200.41150.3753-0.19910.4362-0.29131.1239-0.04440.5784-0.2267-0.2445-0.0249-0.01090.3404-0.25710.02350.5340.00660.00690.8428-0.23690.481665.6943-7.64358.5202
211.1471-0.07550.62870.8183-0.15911.06480.13960.4058-0.2617-0.24420.08560.3168-0.0373-0.2298-0.12680.42240.15640.04590.97720.10580.290971.836131.88360.7018
220.9546-0.52580.90430.46440.10151.89380.01710.35090.1587-0.1231-0.0306-0.1529-0.31470.70280.07850.3766-0.01640.06270.81710.12870.367691.31331.774515.6935
230.2928-0.39720.450.9578-0.97461.35580.26960.4365-0.0204-0.3847-0.07450.19280.2556-0.0511-0.10520.49190.16790.00621.12170.11890.329873.148631.2468-7.9028
240.6833-0.0913-0.07650.77370.26870.1693-0.0971-0.01910.22030.0228-0-0.00560.00140.2050.09350.2745-0.03260.01560.45980.03630.324886.490734.547246.8954
250.4575-0.05920.41460.510.0691.17990.02250.34830.1374-0.0741-0.03810.0121-0.09470.05220.00040.3028-0.01070.04290.55220.12920.36478.867637.566624.5542
261.88690.55741.1160.95810.22884.39570.10860.0360.67290.2245-0.0848-0.1712-0.88680.109-0.03790.6441-0.08790.0550.54340.14850.615584.310956.675630.8299
270.6498-0.0304-0.21530.11690.18920.72150.02870.22550.2045-0.0769-0.03690.0156-0.17440.10330.02230.337-0.0130.01280.48120.08950.361578.262840.014932.7096
280.1183-0.34650.25341.7572-2.01513.12760.0120.34850.042-0.1284-0.05040.0198-0.050.07710.0490.3670.06070.00590.77390.0950.330472.04734.98368.4308
290.6545-0.33890.65750.4915-0.80081.7560.09830.43460.0778-0.0364-0.1314-0.0605-0.11910.17790.05710.38950.08410.04440.77790.09230.335884.951130.814712.0569
301.00490.3722-0.15291.89790.55222.10980.21310.33630.0084-0.2066-0.2710.03110.14240.0170.0930.42220.1353-0.00080.86650.03240.288773.221921.38410.8112
310.8463-0.59640.45270.6922-0.43490.60520.10930.29890.2091-0.1254-0.0909-0.0008-0.2073-0.03030.02040.48080.05510.02150.47360.14970.491658.198857.840728.0223
320.70360.1272-0.45990.81650.16380.3980.088-0.16080.1798-0.0066-0.0928-0.0558-0.06820.1461-0.00320.3039-0.02590.02870.3817-0.03230.361868.69139.02955.7908
330.84810.0285-0.45870.77910.33910.5148-0.0116-0.50610.28020.2750.07050.1177-0.3669-0.439-0.04450.57240.13380.06610.5755-0.08170.604650.250555.061257.9094
340.60370.1178-0.02530.4918-0.04110.51310.01750.0110.3197-0.0381-0.04670.0555-0.1972-0.11950.02390.36590.04620.0120.3971-0.00780.451657.331848.109148.5566
350.7218-0.01370.11660.6996-0.60261.65080.0226-0.04150.19220.0031-0.02160.0049-0.0676-0.2357-0.00250.3-0.00560.01360.4002-0.02450.363261.549435.821452.4147
362.2438-1.67460.54731.2607-0.41250.7943-0.00970.0594-0.1087-0.1770.01730.1805-0.1698-0.0705-0.02330.4440.0850.0050.5390.10570.478749.8952.576927.6667
370.4727-0.2063-0.21060.29540.10640.44520.06880.31330.1594-0.094-0.0371-0.0193-0.18220.1387-0.04530.3831-0.03440.00380.46410.13370.455476.786651.191633.7939
381.6984-0.4917-0.15760.4084-0.1730.30770.16660.40310.5434-0.1689-0.18960.1114-0.3608-0.20480.00030.66520.1118-0.01770.51840.14690.632348.942361.630621.4896
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 20 through 110 )
2X-RAY DIFFRACTION2chain 'A' and (resid 111 through 146 )
3X-RAY DIFFRACTION3chain 'A' and (resid 147 through 272 )
4X-RAY DIFFRACTION4chain 'A' and (resid 273 through 312 )
5X-RAY DIFFRACTION5chain 'A' and (resid 313 through 338 )
6X-RAY DIFFRACTION6chain 'A' and (resid 339 through 381 )
7X-RAY DIFFRACTION7chain 'A' and (resid 382 through 473 )
8X-RAY DIFFRACTION8chain 'B' and (resid 20 through 56 )
9X-RAY DIFFRACTION9chain 'B' and (resid 57 through 83 )
10X-RAY DIFFRACTION10chain 'B' and (resid 84 through 126 )
11X-RAY DIFFRACTION11chain 'B' and (resid 127 through 161 )
12X-RAY DIFFRACTION12chain 'B' and (resid 162 through 209 )
13X-RAY DIFFRACTION13chain 'B' and (resid 210 through 312 )
14X-RAY DIFFRACTION14chain 'B' and (resid 313 through 335 )
15X-RAY DIFFRACTION15chain 'B' and (resid 336 through 381 )
16X-RAY DIFFRACTION16chain 'B' and (resid 382 through 473 )
17X-RAY DIFFRACTION17chain 'C' and (resid 20 through 110 )
18X-RAY DIFFRACTION18chain 'C' and (resid 111 through 146 )
19X-RAY DIFFRACTION19chain 'C' and (resid 147 through 381 )
20X-RAY DIFFRACTION20chain 'C' and (resid 382 through 473 )
21X-RAY DIFFRACTION21chain 'D' and (resid 20 through 46 )
22X-RAY DIFFRACTION22chain 'D' and (resid 47 through 83 )
23X-RAY DIFFRACTION23chain 'D' and (resid 84 through 110 )
24X-RAY DIFFRACTION24chain 'D' and (resid 111 through 146 )
25X-RAY DIFFRACTION25chain 'D' and (resid 147 through 172 )
26X-RAY DIFFRACTION26chain 'D' and (resid 173 through 194 )
27X-RAY DIFFRACTION27chain 'D' and (resid 195 through 312 )
28X-RAY DIFFRACTION28chain 'D' and (resid 313 through 338 )
29X-RAY DIFFRACTION29chain 'D' and (resid 339 through 445 )
30X-RAY DIFFRACTION30chain 'D' and (resid 446 through 473 )
31X-RAY DIFFRACTION31chain 'E' and (resid 20 through 126 )
32X-RAY DIFFRACTION32chain 'E' and (resid 127 through 161 )
33X-RAY DIFFRACTION33chain 'E' and (resid 162 through 187 )
34X-RAY DIFFRACTION34chain 'E' and (resid 188 through 272 )
35X-RAY DIFFRACTION35chain 'E' and (resid 273 through 312 )
36X-RAY DIFFRACTION36chain 'E' and (resid 313 through 338 )
37X-RAY DIFFRACTION37chain 'E' and (resid 339 through 381 )
38X-RAY DIFFRACTION38chain 'E' and (resid 382 through 473 )

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