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- PDB-22vh: The assembled CPC trimer -

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Basic information

Entry
Database: PDB / ID: 22vh
TitleThe assembled CPC trimer
Components
  • C-phycocyanin alpha subunit
  • C-phycocyanin beta subunit
KeywordsPHOTOSYNTHESIS / Phycocyanin / light-harvesting / energy-transfer
Function / homology
Function and homology information


phycobilisome / plasma membrane-derived thylakoid membrane / photosynthesis
Similarity search - Function
Phycocyanin, alpha subunit / Phycocyanin, beta subunit / Phycobilisome, alpha/beta subunit / Phycobilisome, alpha/beta subunit superfamily / Phycobilisome protein / Globin-like superfamily
Similarity search - Domain/homology
PHYCOCYANOBILIN / C-phycocyanin beta subunit / C-phycocyanin alpha subunit
Similarity search - Component
Biological speciesNostoc sp. PCC 7120 = FACHB-418 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsZhao, x. / Zhu, j.x. / Xue, c.y. / Zheng, x.y. / Zhao, k.h.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31861143029 China
CitationJournal: Biochim Biophys Acta Bioenerg / Year: 2026
Title: Biosynthesis of C-phycocyanin trimers.
Authors: Zhao, X. / Zhu, J.X. / Li, G.C. / Zhao, K.H.
History
DepositionJan 25, 2026Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Aug 19, 2026Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: C-phycocyanin alpha subunit
D: C-phycocyanin beta subunit
B: C-phycocyanin alpha subunit
C: C-phycocyanin beta subunit
E: C-phycocyanin alpha subunit
F: C-phycocyanin beta subunit
G: C-phycocyanin alpha subunit
H: C-phycocyanin beta subunit
I: C-phycocyanin alpha subunit
J: C-phycocyanin beta subunit
K: C-phycocyanin alpha subunit
L: C-phycocyanin beta subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)250,17530
Polymers239,57912
Non-polymers10,59618
Water10,881604
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: assay for oligomerization, To determine the oligomeric state of the protein, it was first purified by Ni2+-affinity chromatography, followed by size exclusion chromatography (SuperdexTM 200 ...Evidence: assay for oligomerization, To determine the oligomeric state of the protein, it was first purified by Ni2+-affinity chromatography, followed by size exclusion chromatography (SuperdexTM 200 10/300 GL) with 20 mM KPB (50 mM NaCl, pH 7.2). Molecular mass was determined using calibration curves for marker standards (Sigma-Aldrich).
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area62670 Å2
ΔGint-467 kcal/mol
Surface area67300 Å2
MethodPISA
Unit cell
Length a, b, c (Å)117.970, 109.960, 182.370
Angle α, β, γ (deg.)90.000, 103.470, 90.000
Int Tables number5
Space group name H-MC121
Space group name HallC2y
Symmetry operation#1: x,y,z
#2: -x,y,-z
#3: x+1/2,y+1/2,z
#4: -x+1/2,y+1/2,-z
Components on special symmetry positions
IDModelComponents
11D-353-

HOH

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Components

#1: Protein
C-phycocyanin alpha subunit


Mass: 21526.016 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Nostoc sp. PCC 7120 = FACHB-418 (bacteria)
Gene: cpcA, alr0529 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P07121
#2: Protein
C-phycocyanin beta subunit


Mass: 18403.758 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Nostoc sp. PCC 7120 = FACHB-418 (bacteria)
Gene: cpcB, alr0528 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P07120
#3: Chemical
ChemComp-CYC / PHYCOCYANOBILIN


Mass: 588.694 Da / Num. of mol.: 18 / Source method: obtained synthetically / Formula: C33H40N4O6 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 604 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationY

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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: 2.4 Å3/Da / Density % sol: 48.76 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop
Details: 0.1 M tribasic sodium citrate dihydrate (pH 5.5) and 18% w/v polyethylene glycol 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL02U1 / Wavelength: 0.97918 Å
DetectorType: DECTRIS EIGER2 S 9M / Detector: PIXEL / Date: Dec 9, 2025
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97918 Å / Relative weight: 1
ReflectionResolution: 2.5→54.27 Å / Num. obs: 78269 / % possible obs: 99.9 % / Redundancy: 6.6 % / CC1/2: 0.999 / Rmerge(I) obs: 0.28 / Net I/σ(I): 9
Reflection shellResolution: 2.5→2.55 Å / Num. unique obs: 6070 / CC1/2: 0.999 / % possible all: 99.9

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
XDSdata reduction
PHASERphasing
Aimlessdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.5→54.27 Å / SU ML: 0.2807 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 25.5453
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2461 3866 4.94 %
Rwork0.1936 74369 -
obs0.1962 78235 99.81 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 35.98 Å2
Refinement stepCycle: LAST / Resolution: 2.5→54.27 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15206 0 774 604 16584
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.002516246
X-RAY DIFFRACTIONf_angle_d0.576522126
X-RAY DIFFRACTIONf_chiral_restr0.0342453
X-RAY DIFFRACTIONf_plane_restr0.00362885
X-RAY DIFFRACTIONf_dihedral_angle_d11.47112484
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.5-2.530.27561390.23942603X-RAY DIFFRACTION99.89
2.53-2.560.32771230.23772656X-RAY DIFFRACTION99.96
2.56-2.60.34681540.24792671X-RAY DIFFRACTION99.96
2.6-2.630.29231270.23782631X-RAY DIFFRACTION99.93
2.63-2.670.30121260.25232648X-RAY DIFFRACTION99.96
2.67-2.710.30881390.23812654X-RAY DIFFRACTION100
2.71-2.750.28931510.22432644X-RAY DIFFRACTION99.96
2.75-2.80.27131520.22742647X-RAY DIFFRACTION99.96
2.8-2.840.30531510.242609X-RAY DIFFRACTION99.93
2.84-2.90.3121300.23252690X-RAY DIFFRACTION99.96
2.9-2.950.28341320.23132653X-RAY DIFFRACTION99.93
2.95-3.010.2911180.21692652X-RAY DIFFRACTION100
3.01-3.080.26061510.22622646X-RAY DIFFRACTION100
3.08-3.150.28241530.22592617X-RAY DIFFRACTION99.96
3.15-3.230.29261300.23342713X-RAY DIFFRACTION100
3.23-3.320.26131480.20852616X-RAY DIFFRACTION99.78
3.32-3.410.27931390.21172634X-RAY DIFFRACTION99.6
3.41-3.520.27431300.19292690X-RAY DIFFRACTION99.65
3.52-3.650.23081310.18412672X-RAY DIFFRACTION100
3.65-3.80.23271400.18152656X-RAY DIFFRACTION99.96
3.8-3.970.25391270.17482651X-RAY DIFFRACTION100
3.97-4.180.19961460.16042657X-RAY DIFFRACTION99.93
4.18-4.440.20331290.15352681X-RAY DIFFRACTION99.79
4.44-4.780.18731520.15342641X-RAY DIFFRACTION99.15
4.78-5.260.21031340.17062645X-RAY DIFFRACTION99.82
5.26-6.020.21981510.18482688X-RAY DIFFRACTION100
6.02-7.580.20971430.16982688X-RAY DIFFRACTION99.96
7.59-54.270.15461200.13622716X-RAY DIFFRACTION97.66
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)
16.505708444182.710846316934.648022217533.839043890475.743315626678.66877474991-0.341901940894-1.34730501025-0.002635444682991.83566158317-0.3573717431131.183218487651.05837323365-0.7329159771860.7364092069260.6388006794650.07060489516090.1981628563990.32898665474-0.07486233597390.38744839189113.2369802626-40.98452201218.978946111
20.588387394556-0.236190079740.06132666782531.461460008960.04677400614330.4937258482130.1653581411820.138668136039-0.1129355299670.0152385882875-0.0629765133712-0.07795313789410.428665840170.178424015182-0.07579239424450.3475760185270.0972314666615-0.03527224626670.180110605878-0.03206678868770.17382533366817.2387602264-54.04235160888.19584496931
33.281005387865.19553842712.515105481458.242392245253.99720095021.942945611710.2360912651-0.363444038204-0.08791215462730.608081047228-0.1623815543850.1670115975640.246107491143-0.362775629479-0.03878819054210.1316568996970.02201224361950.07649963770620.1423564711880.03081814343310.3055094856696.13232328645-42.184045909610.0723144682
40.07506182046490.3715810693960.2130848423933.773179857860.9012649575161.79885671997-0.0108842121396-0.03480257761920.00261311994268-0.431939128406-0.121302370778-0.0896019243182-0.403838842056-0.1002581514450.140500706070.04290298221070.0362816965945-0.03469643831390.1655635551050.0288523363930.1848543877518.43891505451-25.29038120768.78946623655
50.679614954428-0.666946503815-0.3764836205221.364429949810.8714220147332.10052535382-0.287885946104-0.1830415667540.06747928365130.2284043645220.06718012396170.141257212205-0.201755662478-0.3293124854750.1723938980.1503048736620.079493540736-0.01366805726680.279324022514-0.05183578071520.2648431245132.11784885244-19.282027777921.8956219684
62.351861839712.159156973750.5452126649334.87807559294-3.584358880996.80223742755-0.1024282171990.1261311491490.01464521783940.0937574897517-0.1884900401980.279361252875-0.191436141043-0.420880334430.1928962540050.06265066121360.0676738291091-0.03991432542750.15395974106-0.03266239489670.223102993081-0.146231959879-23.800894417911.4960592094
77.15316081596.79711767984-5.366371246057.40231017933-4.970392872694.043385383620.20172505695-1.53591163073-0.9676426365771.88683686082-0.471241288542-0.3904982201640.2512592998250.192290356750.280350977990.6444885659440.1075209132050.03027658665990.5826695489910.1240170383480.35500239295927.8124495617-30.413482109725.9504851498
80.409509291050.1591036468140.3835064107771.177960421040.2102401489320.716110802017-0.2643530507490.1671116917990.1955159922320.0810384068648-0.0810835719675-0.0341122789093-0.5028356887650.3984003410080.1380212151980.400072278161-0.153572107929-0.09083076837550.2415851184130.1028775105550.29040660372528.2866692335-13.028970828720.0995157148
92.013541394561.18687353973-0.4124384369833.791940046790.8674204836530.6040844949210.0447880238568-0.172866620255-0.159680988766-0.0787848403324-0.21341528588-0.444788350058-0.2120372780510.4600245437980.1107751437860.178324364609-0.093361964790.04374434039260.6018033748040.1215942393430.22453123526240.5287719308-23.84497143516.5326341803
100.58438614578-0.272512821401-0.008094234703550.6548485965890.06364438386580.2064102126070.0273087886310.04541422369850.03244320868790.07724072985780.0124186851882-0.07692120710910.2312745614480.399156065577-0.08209559366930.2271837590880.248839332940.03910532790160.497624686222-0.03752750556590.23034356958138.0532116076-52.229608985122.1642409161
117.89149741524-1.65613559333-0.9040490039662.4488973730.7481288754910.809590783138-0.0918877974783-0.140858571971-0.06672858904480.08950870158560.0259842837173-0.000983849990240.05368618251780.1506128204420.04885447265580.1139876447540.1148620510160.02503512521540.4478736148210.01272827536250.21325301374145.1412414103-43.838391952519.2850114614
126.65910556410.6723803715891.819425429574.218694494994.9910918576.927663555570.119120823870.3529777496162.15037922349-0.6079314897580.1360524462710.121034109159-2.242698985580.479286691848-0.2453711588640.617590839726-0.004164670622590.06886024901590.3170862347290.01216499623250.49643212274621.801173377-65.184579908846.8828442211
130.3666964143090.1086748020920.2290029072090.7712227041880.3899754597020.2802708075990.304024177610.0437099041096-0.226846595757-0.0977256648559-0.0962975936039-0.02571627053250.6313620626930.03551015884940.04701629521060.7326105163080.178203878095-0.1197770758570.189035699546-0.03993718875710.27855125224222.855982677-77.067931031235.6299830695
147.81211025169-4.6532395839-7.429944682122.776900380624.416238906787.081931359350.133446101538-0.13628717990.275094341778-0.6252624642810.204963318731-0.363253001571-0.08147207754630.352105923265-0.3455897193560.5561251695370.062710524498-0.01370754695220.29338806254-0.03412537951430.1868246135131.1516054538-71.703341163148.602197213
150.7072603611650.00533463932111-0.2423765243461.16126177804-0.3727754282790.5509606704630.152730735783-0.128221460094-0.1150463627820.170190264479-0.0247263680785-0.01509108803640.6684012580130.083379124443-0.1152740444630.4163492337960.00890624026929-0.09131652637960.305855782090.09775718578130.19624353953324.2642319306-71.005969045165.6703954758
168.43667721113-5.434999568471.181719520267.4264197881-3.655501041222.29983029732-0.14697765747-1.489976236161.521212805041.306438196480.0980493417875-1.33559152469-0.957718639440.44654600689-0.01274117709560.656370509331-0.085626883929-0.07321664152930.459216641017-0.1196173112290.38246956819328.1245778488-41.580416242579.8767390673
171.40528985062-1.088821992991.112540648182.660861947040.8571513009532.751458206340.00421291805949-0.02500616249490.278975426607-0.1343677129980.157170997171-0.307818511115-0.505478018130.10268430211-0.1465220480270.308374682328-0.07026225558510.06573108683460.208811419559-0.003770562156290.23737494549127.4583354558-55.403628976967.3750278634
185.29632884592.7755994926-3.281170483627.25696353827-4.130268287865.232438533920.204394148584-0.424402795666-0.1569211743350.0380154308519-0.0528859621525-0.125545911570.631317378162-0.0184898798653-0.1338995890030.336906261399-0.0275402738596-0.1056623944510.3459257322690.03568818244340.13038345018627.7595269876-71.122864096270.8761376125
192.367644511290.648805768221-0.4079148964310.849186263016-2.44052480748.67206998289-0.0286113420476-0.0833110501062-0.0583500440807-0.198804986732-0.0548596555349-0.1343526871540.776708076639-0.2183019895910.1170830861910.4578549015910.1548878501350.02954155355110.354004176635-0.08688165507110.23176992777916.172009196-22.609445110462.9908624032
200.044849097935-0.0318548516235-0.1702514880590.351608759498-0.2703508772821.078920385910.0103528343828-0.07974134911710.0972953817502-0.00658201314126-0.0898616652420.180717025686-0.279621901558-0.2268600078550.05116918175050.5045594512940.21123956726-0.0428044949350.439092996836-0.1799500131470.29601561734413.7160456247-14.519919889171.1582803398
210.431821409675-0.4097564585550.1470253278211.118506784650.3675597728951.46684399156-0.0887749486043-0.161690349369-0.03884259027540.08279678702190.01552914844940.08122106840730.310044725074-0.6123871163620.1260131716450.3711198888780.09127517423860.06776808041750.629989937802-0.0887669834240.1932419541610.9340467565-36.209613661685.7749155738
222.01524108143-0.0281150521083-0.2259915924843.35382428908-3.208753169943.44218215332-0.171841246587-0.09958520744480.1112013810860.199266684215-0.105974391434-0.240586640488-0.320529317721-0.1392002360830.2654647409030.3813525825380.137580808319-0.05393648486870.355899807149-0.112764852060.23626141176324.2031755157-20.081054912578.3047948792
231.852634737040.0827211447368-1.882539664570.840764874680.4848593771175.2255417718-0.365554211084-0.1869469535340.1631645937460.0551862063303-0.0160246745189-0.101243818316-0.4728208673350.3958070817410.3070558912050.2905028338620.000730656152267-0.1250677586140.2192060035240.01675946595390.2506551945931.4951474411-12.70052545350.390264506
244.73965996738-2.33745530739-2.076387764786.052482289281.824979201172.4848753542-0.00871804138038-0.04113450247770.6897695927050.0243633511969-0.0918160694097-0.0604626536645-0.630186200089-0.3707658596760.07613788197060.59919147020.085199455801-0.1814789472580.31763349088-0.05390650211240.32014196988830.5378553519-5.4488838134563.8871310888
251.140242027550.273571208336-1.63454848440.730725103196-0.6446613517052.439875155640.151173857473-0.29539034251-0.134279553797-0.04442416942810.07397775581560.03114000987720.0959942377978-0.131852439298-0.1420369299770.475626340601-0.212476924848-0.07041412071340.3607271530640.115948252540.2434591894595.73840817993-71.027553600854.4213952448
260.609890313568-0.227603282471-0.0191800412431.2701516508-0.2886011633390.8782481030360.121769463871-0.3510870339490.01124141706960.2769360804630.07574861305920.108301173989-0.164740702475-0.313722797866-0.1529515823990.404673962153-0.1869172394750.01860993414980.6440097399980.1597812732450.217833754343-1.56778415066-60.424669476777.1197307887
276.66573180877-1.93984596548-6.073583701761.454729978511.71077535328.903668953920.4376756757740.1935369765760.3425808550880.00542459728409-0.0698868550604-0.00810122328279-0.331059909595-0.560985373542-0.443802564780.449216081767-0.284620809752-0.06032848731240.6240634311640.1572147908830.269670213463-7.13418759694-64.835507543556.9650740421
280.275745377291-0.09527460160070.07352685860890.5386181912190.3579117885350.3105281360290.130063686776-0.217180262604-0.2206952069910.00236213514114-0.04365409973050.08596563983780.396375801726-0.233401901972-0.01690058587450.569061922505-0.224988808596-0.1637585958080.3030148326070.115451637540.34825901407-1.37948520883-75.381455845942.8622801102
290.4086078362970.689421087811-0.6534433699011.64163833072-1.431160607391.286529816890.266894925796-0.107620548103-0.12129920179-0.009290578132050.05383241796160.2293823712880.340774528538-0.278736251996-0.3175747835280.466125047377-0.130477349651-0.1051380548870.2337848300960.05950400103020.267321418749-1.15692002002-65.467275277930.8936605948
304.025435837892.06922013713-0.8520416107812.50115168049-1.436641725051.305097129780.242798721652-0.204894949867-0.2119036330610.1664205617470.02714136998510.2491936324380.0841308955443-0.0351460576331-0.2259226902260.492036490308-0.264831868384-0.1448383458330.3899376773130.1029583034680.330173140979-8.0716922419-71.104398585338.2572182409
316.220588702851.725231651991.716955719141.54228297481-2.187204458437.141388293970.2443961549840.71304670429-1.4540040448-0.393057441288-0.0228299657545-0.01745221790351.209274407370.143999964123-0.2167977912890.6038082481230.282083475166-0.1465666287030.550165379578-0.1558320208970.4503785282984.79062377026-17.701852106852.5547064278
320.1624466021320.06708832543430.05850449671880.3337089200870.0228948487930.61599316597-0.310712003021-0.06808096666950.173517044431-0.134281468362-0.04248952890070.139653823079-0.476783887392-0.3853727174870.08052250476440.7251596605830.288782752934-0.1298133225980.435402213832-0.1656333401640.3360981227525.98112575005-5.1708951027555.2274075229
330.489534144903-0.203946996322-0.1018539885260.552963949180.14722431620.50519664009-0.238615989079-0.144494597760.2407715932060.0174301858212-0.00960768154827-0.0308238071853-0.467821926301-0.144318102522-0.1201352977360.7232619958150.255607465771-0.2130011897840.247308766477-0.1607179201560.3586245310428.87369250705-0.38252483164742.919172132
340.47161467158-0.135678760013-0.00910587067860.650992664569-0.5026648697991.46756097473-0.08614474742-0.0864627072338-0.02855400818220.168473259418-0.01211324303770.154172553484-0.021127391942-0.1478408525860.09709974341190.5278245427690.3645792796-0.08214729093470.672346568449-0.2202544567280.312063273337-6.11815913937-6.8335485231656.2230940994
350.468517251774-0.526052634523-0.4497679535651.892944757330.3264571572021.43291134318-0.110538499481-0.211726747424-0.09832188193690.01708425882740.06039469093330.2304217567460.0478295732508-0.6933844508370.1448152949650.3288470942030.1277222656090.05624802692030.837664359209-0.01448739529840.20336458936-9.26604100133-34.948850121365.9470510555
361.89240320758-0.641582724143-0.3563697083280.9401410462540.3680225652570.9314430490150.0276661050612-0.0820225785590.1879968237470.04397352446250.00843164833310.00666971763922-0.0779724700421-0.1202789312210.05699207543640.37162199640.3206257847350.03112337886250.802820233476-0.1075329633020.35143032316-12.6570093661-20.967805273171.0968100952
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'A' and (resid -2 through 4 )AA-2 - 41 - 7
22chain 'A' and (resid 5 through 163 )AA5 - 1638 - 166
33chain 'D' and (resid 1 through 15 )DB1 - 151 - 15
44chain 'D' and (resid 16 through 63 )DB16 - 6316 - 63
55chain 'D' and (resid 64 through 154 )DB64 - 15464 - 154
66chain 'D' and (resid 155 through 173 )DB155 - 173155 - 173
77chain 'B' and (resid -3 through 4 )BC-3 - 41 - 8
88chain 'B' and (resid 5 through 163 )BC5 - 1639 - 167
99chain 'C' and (resid 1 through 34 )CD1 - 341 - 34
1010chain 'C' and (resid 35 through 154 )CD35 - 15435 - 154
1111chain 'C' and (resid 155 through 173 )CD155 - 173155 - 173
1212chain 'E' and (resid -1 through 4 )EE-1 - 41 - 6
1313chain 'E' and (resid 5 through 163 )EE5 - 1637 - 165
1414chain 'F' and (resid 1 through 16 )FF1 - 161 - 16
1515chain 'F' and (resid 17 through 63 )FF17 - 6317 - 63
1616chain 'F' and (resid 64 through 76 )FF64 - 7664 - 76
1717chain 'F' and (resid 77 through 143 )FF77 - 14377 - 143
1818chain 'F' and (resid 144 through 173 )FF144 - 173144 - 173
1919chain 'G' and (resid 0 through 15 )GG0 - 151 - 16
2020chain 'G' and (resid 16 through 47 )GG16 - 4717 - 48
2121chain 'G' and (resid 48 through 163 )GG48 - 16349 - 164
2222chain 'H' and (resid 1 through 34 )HH1 - 341 - 34
2323chain 'H' and (resid 35 through 143 )HH35 - 14335 - 143
2424chain 'H' and (resid 144 through 173 )HH144 - 173144 - 173
2525chain 'I' and (resid 1 through 47 )II1 - 471 - 47
2626chain 'I' and (resid 48 through 163 )II48 - 16348 - 163
2727chain 'J' and (resid 1 through 16 )JJ1 - 161 - 16
2828chain 'J' and (resid 17 through 63 )JJ17 - 6317 - 63
2929chain 'J' and (resid 64 through 154 )JJ64 - 15464 - 154
3030chain 'J' and (resid 155 through 173 )JJ155 - 173155 - 173
3131chain 'K' and (resid -1 through 4 )KK-1 - 41 - 6
3232chain 'K' and (resid 5 through 68 )KK5 - 687 - 70
3333chain 'K' and (resid 69 through 163 )KK69 - 16371 - 165
3434chain 'L' and (resid 1 through 34 )LL1 - 341 - 34
3535chain 'L' and (resid 35 through 143 )LL35 - 14335 - 143
3636chain 'L' and (resid 144 through 173 )LL144 - 173144 - 173

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