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- PDB-8csf: WbbB D232C-Kdo adduct + alpha-Rha(1,3)GlcNAc ternary complex -

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ID or keywords:

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Basic information

Entry
Database: PDB / ID: 8csf
TitleWbbB D232C-Kdo adduct + alpha-Rha(1,3)GlcNAc ternary complex
ComponentsN-acetyl glucosaminyl transferase
KeywordsTRANSFERASE / Glycsoyltransferase / retaining / ternary complex
Function / homology
Function and homology information


polysaccharide transport / polysaccharide biosynthetic process / transferase activity
Similarity search - Function
: / Glycosyltransferase 99 family N-terminal domain / Capsule polysaccharide biosynthesis / Capsule polysaccharide biosynthesis protein
Similarity search - Domain/homology
CYTIDINE-5'-MONOPHOSPHATE / 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid / Putative N-acetyl glucosaminyl transferase
Similarity search - Component
Biological speciesRaoultella terrigena (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsForrester, T.J.B. / Kimber, M.S.
Funding support Canada, 1items
OrganizationGrant numberCountry
Natural Sciences and Engineering Research Council (NSERC, Canada)04045-2015 Canada
CitationJournal: Nat Commun / Year: 2022
Title: The retaining beta-Kdo glycosyltransferase WbbB uses a double-displacement mechanism with an intermediate adduct rearrangement step.
Authors: Forrester, T.J.B. / Ovchinnikova, O.G. / Li, Z. / Kitova, E.N. / Nothof, J.T. / Koizumi, A. / Klassen, J.S. / Lowary, T.L. / Whitfield, C. / Kimber, M.S.
History
DepositionMay 12, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 9, 2022Provider: repository / Type: Initial release
Revision 1.1Oct 18, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.2Nov 15, 2023Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / struct_ref
Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2 / _struct_ref.pdbx_seq_one_letter_code
Revision 1.3Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: N-acetyl glucosaminyl transferase
B: N-acetyl glucosaminyl transferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,18312
Polymers92,2342
Non-polymers1,94910
Water4,504250
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A: N-acetyl glucosaminyl transferase
hetero molecules

A: N-acetyl glucosaminyl transferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,18312
Polymers92,2342
Non-polymers1,94910
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_555-x,y,-z+1/21
Buried area7710 Å2
ΔGint-31 kcal/mol
Surface area30850 Å2
MethodPISA
2
B: N-acetyl glucosaminyl transferase
hetero molecules

B: N-acetyl glucosaminyl transferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,18312
Polymers92,2342
Non-polymers1,94910
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_555-x,y,-z+1/21
Buried area7690 Å2
ΔGint-38 kcal/mol
Surface area31550 Å2
MethodPISA
Unit cell
Length a, b, c (Å)92.500, 158.070, 116.680
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
Space group name HallC2c2
Symmetry operation#1: x,y,z
#2: x,-y,-z
#3: -x,y,-z+1/2
#4: -x,-y,z+1/2
#5: x+1/2,y+1/2,z
#6: x+1/2,-y+1/2,-z
#7: -x+1/2,y+1/2,-z+1/2
#8: -x+1/2,-y+1/2,z+1/2

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein N-acetyl glucosaminyl transferase / retaining Kdo transferase


Mass: 46116.824 Da / Num. of mol.: 2 / Mutation: D232C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Raoultella terrigena (bacteria) / Gene: wbbB / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / References: UniProt: Q6U8B0

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Sugars , 2 types, 4 molecules

#2: Polysaccharide alpha-L-rhamnopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 367.349 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
LRhapa1-3DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5_2*NCC/3=O][a2211m-1a_1-5]/1-2/a3-b1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(3+1)][a-L-Rhap]{}}LINUCSPDB-CARE
#5: Sugar ChemComp-KDO / 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid / 3-deoxy-d-manno-oct-2-ulopyranosonic acid / 2-keto-3-deoxy-D-mannooctanoic acid / 3-deoxy-alpha-D-manno-oct-2-ulosonic acid / 3-deoxy-D-manno-oct-2-ulosonic acid / 3-deoxy-manno-oct-2-ulosonic acid


Type: D-saccharide, alpha linking / Mass: 238.192 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H14O8 / Feature type: SUBJECT OF INVESTIGATION
IdentifierTypeProgram
DKdopaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-D-KdopIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
KdoSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 256 molecules

#3: Chemical ChemComp-C5P / CYTIDINE-5'-MONOPHOSPHATE


Mass: 323.197 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H14N3O8P / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical
ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 250 / Source method: isolated from a natural source / Formula: H2O

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Details

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: 2.43 Å3/Da / Density % sol: 49.26 % / Description: prisms
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7
Details: 1.1 M sodium malonate, 100 mM HEPES, and 0.5 % Jeffamine ED-2001

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: CLSI / Beamline: 08B1-1 / Wavelength: 0.9795 Å
DetectorType: RAYONIX MX300HE / Detector: CCD / Date: Jul 6, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 2.4→46 Å / Num. obs: 33794 / % possible obs: 99.9 % / Redundancy: 7.5 % / Biso Wilson estimate: 45.73 Å2 / Rsym value: 0.088 / Net I/σ(I): 16.74
Reflection shellResolution: 2.4→2.5 Å / Mean I/σ(I) obs: 2.11 / Num. unique obs: 3850 / CC1/2: 0.78 / Rsym value: 0.96 / % possible all: 100

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5FA1
Resolution: 2.4→45.78 Å / SU ML: 0.2611 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 22.7524
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2213 1687 5 %
Rwork0.1723 32085 -
obs0.1748 33772 99.88 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 51.11 Å2
Refinement stepCycle: LAST / Resolution: 2.4→45.78 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6189 0 126 250 6565
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00766486
X-RAY DIFFRACTIONf_angle_d0.96918822
X-RAY DIFFRACTIONf_chiral_restr0.0515997
X-RAY DIFFRACTIONf_plane_restr0.00691124
X-RAY DIFFRACTIONf_dihedral_angle_d20.99792280
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.4-2.470.27781400.21962665X-RAY DIFFRACTION99.96
2.47-2.550.2951390.21662631X-RAY DIFFRACTION99.93
2.55-2.640.26161380.2112638X-RAY DIFFRACTION99.86
2.64-2.750.2811390.20422654X-RAY DIFFRACTION99.96
2.75-2.870.25131390.21242638X-RAY DIFFRACTION100
2.87-3.020.24881390.19472644X-RAY DIFFRACTION99.86
3.02-3.210.28081390.19542657X-RAY DIFFRACTION99.89
3.21-3.460.23051410.18042673X-RAY DIFFRACTION99.93
3.46-3.810.22541410.16412687X-RAY DIFFRACTION99.89
3.81-4.360.18161410.14382680X-RAY DIFFRACTION99.79
4.36-5.490.22131420.14692711X-RAY DIFFRACTION99.93
5.49-45.780.17811490.16552807X-RAY DIFFRACTION99.53
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)
13.968771122270.1178599177031.345319214384.529959368261.717119004161.802760130130.179619697694-0.382821569135-0.3893750494260.29329202619-0.119592331554-0.01796636667670.326557253378-0.041012435561-0.04464497567250.482243298936-0.0734256650489-0.1100109573430.4103262332420.04584482580230.26714275381917.568859452215.538371012943.2327163687
20.752838328821-0.468416334005-0.3835611260563.159920618561.46241201122.528413678630.397961513516-0.279011366407-0.2368163916270.521259117772-0.054320796184-0.7740064458340.5782584603680.1475518491270.1387629377170.5394875132820.0438702930271-0.2544513321250.459225370070.04587802728340.6698347459929.251480292612.152884073643.6852733965
32.568994361691.02802228365-0.6599027901474.03068255037-4.288200920684.73962469655-0.0385558116725-1.39931279289-1.187927646761.60931197660.3410372923050.4672886074832.15037964715-0.1881337963550.1910190640981.29686636773-0.140418249814-0.1259634879820.8450227411890.1320808578270.56189142566219.58989866018.894433738452.0897168663
41.596904577610.264985887540.9247567366071.027037193120.4238468485090.9100131738060.234195040194-0.437213087301-0.4454293535660.842586283467-0.118672757898-0.2200213580560.6358753854170.1168808745210.07238934475250.812160242766-0.015445129461-0.1338635690330.5457129568750.08688521153530.59389225984120.745655767110.329649151246.6561842684
52.852211458050.25089059953-0.4107738429974.636912405190.576495886323.725880685150.134356736211-0.2400164222030.1664515837870.459617453557-0.087046131152-0.2205404246340.0102687200461-0.120008545108-0.1333423396140.345366721862-0.0299672048309-0.03956971583130.2442401639150.03589780199810.26846494141918.896615507426.113623191843.3553078927
60.5000429986120.923101485467-0.2719793483872.602511382862.566431643242.790226628690.1821492995310.0571804044303-0.0695926394640.175851864405-0.00884998966856-0.739151365150.1939040843220.06483441148980.08995269686630.3590022433320.0563369643612-0.07080112717580.3152494208280.03739055556020.41505868785724.743563067919.248688771530.8745274159
70.994381780931-0.6552571404220.2667333855621.759611384962.38701237073.90155483181-0.009347663950910.384181992367-0.0727819340055-0.8141392037450.168168689955-0.303969559084-0.370690278824-0.0433461615080.1026584791490.5371290209760.07002044915410.06944513488760.473871277093-0.05465074725490.5045598856926.43774753549.5922001797711.8094906184
84.21349518179-0.84023491391-1.215431910033.8478672840.9801294315463.013401650680.06277253141870.32886926373-0.418382631321-0.025674087196-0.1882076161880.4592417070150.144013193701-0.344970876609-0.2153801973840.3928242859660.0346956967361-0.02697158531270.352208047686-0.006997174853360.3625533754013.885838013416.8691623328220.9975769105
93.297444531250.841350877498-0.0531965404373.009937778070.5769867532921.841288121050.08611052328620.3043969440270.0158418471637-0.4391076654170.0104913453347-0.150829637985-0.101767338345-0.08513741065760.1342881280060.4294787915040.09344848162350.02102510680570.3132671288630.0131148790580.3049742757817.698870292811.551495835613.9432272666
101.286382010910.6809908942110.01319979403291.635223945811.192976116525.521526024280.05155996261050.136779341782-0.2545461924190.01366000120310.305170400195-1.34292843654-0.009536743964320.8749538935340.3125536900340.3506185227070.1070431743-0.02572496884710.477397004949-0.1075395988880.80858403830436.666356935715.872299963627.036321909
114.13035012784-0.411681090903-2.045911453924.513921835411.3723052715.957547513440.3013766854721.27481070958-0.685975959604-0.592083974983-0.175132572074-2.229999206960.6874672448590.9983166015120.4392607842210.7229509030280.2734279392830.168238917460.908043986349-0.06889298276830.84183534585739.291049554410.419493871311.5499172586
122.20001152212.811549110690.2222584827214.04609588072-0.3343339660793.589945560870.2378275761430.981816757780.031231814799-0.108234902908-0.185278859836-0.2131675166990.4953258702330.577840001122-0.0109734117770.3667481689330.1165079911360.02811913567240.441362902689-0.07022143185860.35897192410831.25940447645.034653052925.5447562604
134.350936711921.193770738140.7272366228996.209015858341.323638094624.305698953010.1649428587720.55257683471-0.134727519862-0.736715381498-0.2324592015620.242006224086-0.28757405737-0.179802061864-0.272107209070.4005375930920.0197059156470.01599710776350.3888027398290.03744205757040.32594367429817.727865373851.503072024819.9822087466
141.82826967393-2.151776743721.18338587443.258259961980.05856480851863.67406887685-0.2511195544610.502251423287-0.0824718814897-0.1984068257370.181680856694-0.393453700501-0.4814208846270.7259276509810.004199867341670.432001485766-0.1081553654460.003262058202730.532787213594-0.03474133355290.416623236229.007340081656.13003033525.4861339087
154.052962052143.77039663283.460838623943.799532682671.976194515157.269686172810.2387909836630.6556542971250.725855214499-0.6281384875140.217688817553-1.38767419101-0.121720266781.86100117266-0.1971568082990.339946939594-0.06358913701140.07566434566860.666298245210.07326242558650.94345081402338.88588904953.542168463626.7274360376
165.875020501551.60557392118-1.978429248516.293705896952.490441446684.636476403670.06939460253070.320027787034-0.0236692100123-1.40575798277-0.32079549345-0.1636035590980.2037856947440.2705168525970.1016947505710.4135784870940.07373924024580.07896666869630.46177256159-0.01138239876020.42309374965330.107395619847.082619339919.7064792739
173.12841515035-0.519557046528-1.264495685436.24894550677-2.124194738937.31161734928-0.2514345595370.9849709427690.0914349240882-2.22706712267-0.00636550533710.362210516692-1.681012770571.20436087303-0.2438084273010.88838393559-0.06167456027070.05512144364690.7783101322840.08207609339110.50665913548525.590682447156.633440684913.4880689663
183.51366153415-0.137170693341-0.2972162422351.750965349262.771219351784.69829287289-0.02264004790040.5656046404790.690704005507-0.729315916333-0.14537530741-0.387540527672-0.7358423831620.459038187618-0.2406026407410.76760223378-0.1283805846240.04491499655920.4716501340050.1057649119630.61252286078328.190187520163.916715107622.593971265
197.106036261471.644323430670.6918903216374.58335928524-0.1196695132123.40595323344-0.163855931321.15993725292-0.527742252959-0.870761366314-0.047071481184-0.2448333486940.01498646131730.405393776553-0.005534315369650.5142269211380.09137994054620.04073979038260.489370642065-0.0429832901630.32226030003921.443246054644.431685622514.7466154285
203.82205784586-1.598853242860.7817331932093.36939991334-0.923428713264.371352528640.4486561062290.39023126931-0.732567999131-0.4550341180060.1052298053740.7323787346220.785998289094-0.597925477916-0.2830631489910.3083310584140.0104844701427-0.05111197460850.3620334995340.003462233075520.3573416652178.7767268214743.574343139721.9280339081
212.48974359382-0.396782859106-0.605872895774.471826897641.087955213654.546510537820.2337323502730.866004062584-0.68598786553-0.367662871929-0.262883153598-0.6084469590880.07810807234630.3690245573430.05093932620260.4945534278490.07103775542680.01537296624180.421474124533-0.02660413267430.40389060400928.101283801535.709418911718.5231686221
223.2043715486-2.20642267008-0.3460591340944.011010382390.8979608926473.303723766840.0656237762498-0.169387870855-0.29426927461-0.09345922464810.137588791641-0.2593211371020.1999306356090.1427837902250.09473231205450.3043815895980.03394422079560.00857003883430.2846218086540.01076482555450.38202237664126.203000111438.112024252527.716940982
230.500968971705-1.29454379309-0.113176100111.622683731090.7244301214232.096847305750.04852050493330.07497148870580.04554356250110.02358985441950.0241052191551-0.341432707632-0.1573284705370.1248022683910.04179157096270.305096487742-0.0491101737438-0.0507840349330.268387007915-0.00351574174460.35488805015623.723080916250.163546606237.9371443844
242.99414135147-0.199313791832-0.5619921234893.847459981.454222123623.71624353435-0.209699710417-0.60549612979-0.01362989752780.7858354142740.1757586012180.0413234845704-0.00988130935987-0.0743558535155-0.2423954168620.426327715982-0.0539157511184-0.0377445529840.476487082986-0.02938851475590.34914981893522.45484539954.101378957553.6290843614
254.54325655451-0.333300986445-0.1209221911412.45915356015-0.3810764920944.058210725290.0848547963172-0.1365639537230.03721919542280.0173608010523-0.01136317875480.1428687818760.0268218374986-0.05368667568220.02849756264550.321674250519-0.0310243987823-0.05634694793210.269283861033-0.0001045034972190.282361488222.5252892395153.239547319338.100772976
261.807567235250.279987688902-0.4874595168933.09911533254-0.4794937658145.574340869180.07581436323370.07992347377820.121514532953-0.07975161372-0.02388771574090.712386920077-0.495875498852-0.668003003665-0.4021560543760.3875163772520.035699513516-0.04374542744580.324170789635-0.02250105902610.497479398151-0.9160160219962.501757592339.2819394082
273.982418093850.2363823142290.6010914951232.977094255670.1318706752655.83384689236-0.05005509964370.9614586981490.800714838062-0.822109673172-0.6528316023950.852708679658-1.49894517947-0.8206582946990.1406615125570.5298622718850.234608528956-0.06305125535170.638491597417-0.1563605254730.54052855480.36470970709168.928924540439.5920483603
281.272816239030.4275906787570.250483916061.840523435110.04695002415991.97509653652-0.0479148431514-0.3026206564090.08687765080.27372721399-0.038487584897-0.03639913319760.0585120266345-0.0720701604219-0.0210997652440.36691872257-0.0409849583232-0.06394837078790.344827887465-0.01504960633520.31280570280515.367313332353.70665545647.5120467012
293.57535913039-1.15008871941-0.09044617009253.826537959162.602253789757.807287568650.0945282121193-0.315306060006-0.2373107242610.1371095607070.0100286560939-1.38837451669-0.1185473063230.6020909001650.001090682817560.242040863282-0.0518196024668-0.1021870447560.454471478292-0.02443269555430.56692820815535.947965974848.976766321344.1520137523
303.943150037751.245191723320.2934001709829.751508144550.2161002134489.27854612125-0.383900552519-0.636779558171.034650160191.383169807820.435482475533-1.440340626230.05948916638160.949457380998-0.1189533337720.525168992945-0.0600533758352-0.1737145544840.715674787656-0.04243399648150.65345582423332.476251813956.898957044958.2503802868
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 18 )AA1 - 181 - 18
22chain 'A' and (resid 19 through 38 )AA19 - 3819 - 38
33chain 'A' and (resid 39 through 46 )AA39 - 4639 - 46
44chain 'A' and (resid 49 through 94 )AA49 - 9447 - 92
55chain 'A' and (resid 95 through 140 )AA95 - 14093 - 138
66chain 'A' and (resid 141 through 183 )AA141 - 183139 - 181
77chain 'A' and (resid 184 through 222 )AA184 - 222182 - 220
88chain 'A' and (resid 223 through 284 )AA223 - 284221 - 282
99chain 'A' and (resid 285 through 342 )AA285 - 342283 - 340
1010chain 'A' and (resid 343 through 379 )AA343 - 379341 - 377
1111chain 'A' and (resid 391 through 403 )AA391 - 403378 - 390
1212chain 'B' and (resid 1 through 5 )BB1 - 51 - 5
1313chain 'B' and (resid 6 through 18 )BB6 - 186 - 18
1414chain 'B' and (resid 19 through 26 )BB19 - 2619 - 26
1515chain 'B' and (resid 27 through 33 )BB27 - 3327 - 33
1616chain 'B' and (resid 34 through 38 )BB34 - 3834 - 38
1717chain 'B' and (resid 39 through 46 )BB39 - 4639 - 46
1818chain 'B' and (resid 49 through 75 )BB49 - 7547 - 73
1919chain 'B' and (resid 76 through 94 )BB76 - 9474 - 92
2020chain 'B' and (resid 95 through 107 )BB95 - 10793 - 105
2121chain 'B' and (resid 108 through 130 )BB108 - 130106 - 128
2222chain 'B' and (resid 131 through 150 )BB131 - 150129 - 148
2323chain 'B' and (resid 151 through 183 )BB151 - 183149 - 181
2424chain 'B' and (resid 184 through 216 )BB184 - 216182 - 214
2525chain 'B' and (resid 220 through 253 )BB220 - 253215 - 248
2626chain 'B' and (resid 254 through 273 )BB254 - 273249 - 268
2727chain 'B' and (resid 274 through 284 )BB274 - 284269 - 279
2828chain 'B' and (resid 285 through 353 )BB285 - 353280 - 348
2929chain 'B' and (resid 354 through 380 )BB354 - 380349 - 375
3030chain 'B' and (resid 390 through 405 )BB390 - 405376 - 391

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