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- PDB-7mpm: Bartonella henselae NrnC bound to pAA -

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Basic information

Entry
Database: PDB / ID: 7mpm
TitleBartonella henselae NrnC bound to pAA
Components
  • 5'-phosphorylated AA
  • NanoRNase C
KeywordsRNA BINDING PROTEIN/RNA / RNase / bacteria / enzyme / RNA BINDING PROTEIN / RNA BINDING PROTEIN-RNA complex
Function / homology
Function and homology information


nucleobase-containing compound metabolic process / 3'-5' exonuclease activity / nucleic acid binding / metal ion binding
Similarity search - Function
: / 3'-5' exonuclease / 3'-5' exonuclease / 3'-5' exonuclease domain / Ribonuclease H superfamily / Ribonuclease H-like superfamily
Similarity search - Domain/homology
RNA / 3'-5' exonuclease
Similarity search - Component
Biological speciesBartonella henselae (bacteria)
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsLormand, J.D. / Sondermann, H.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01AI142400 United States
CitationJournal: Elife / Year: 2021
Title: Structural characterization of NrnC identifies unifying features of dinucleotidases.
Authors: Justin D Lormand / Soo-Kyoung Kim / George A Walters-Marrah / Bryce A Brownfield / J Christopher Fromme / Wade C Winkler / Jonathan R Goodson / Vincent T Lee / Holger Sondermann /
Abstract: RNA degradation is fundamental for cellular homeostasis. The process is carried out by various classes of endolytic and exolytic enzymes that together degrade an RNA polymer to mono-ribonucleotides. ...RNA degradation is fundamental for cellular homeostasis. The process is carried out by various classes of endolytic and exolytic enzymes that together degrade an RNA polymer to mono-ribonucleotides. Within the exoribonucleases, nano-RNases play a unique role as they act on the smallest breakdown products and hence catalyze the final steps in the process. We recently showed that oligoribonuclease (Orn) acts as a dedicated diribonucleotidase, defining the ultimate step in RNA degradation that is crucial for cellular fitness (Kim et al., 2019). Whether such a specific activity exists in organisms that lack Orn-type exoribonucleases remained unclear. Through quantitative structure-function analyses, we show here that NrnC-type RNases share this narrow substrate length preference with Orn. Although NrnC and Orn employ similar structural features that distinguish these two classes of dinucleotidases from other exonucleases, the key determinants for dinucleotidase activity are realized through distinct structural scaffolds. The structures, together with comparative genomic analyses of the phylogeny of DEDD-type exoribonucleases, indicate convergent evolution as the mechanism of how dinucleotidase activity emerged repeatedly in various organisms. The evolutionary pressure to maintain dinucleotidase activity further underlines the important role these analogous proteins play for cell growth.
History
DepositionMay 4, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 15, 2021Provider: repository / Type: Initial release
Revision 1.1Sep 29, 2021Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Oct 18, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: NanoRNase C
B: 5'-phosphorylated AA
C: NanoRNase C
D: 5'-phosphorylated AA
E: NanoRNase C
F: 5'-phosphorylated AA
G: NanoRNase C
H: 5'-phosphorylated AA
I: NanoRNase C
J: 5'-phosphorylated AA
K: NanoRNase C
L: 5'-phosphorylated AA
M: NanoRNase C
N: 5'-phosphorylated AA
O: NanoRNase C
P: 5'-phosphorylated AA


Theoretical massNumber of molelcules
Total (without water)192,48116
Polymers192,48116
Non-polymers00
Water36,8052043
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: light scattering
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area28350 Å2
ΔGint-155 kcal/mol
Surface area63240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)70.777, 127.472, 128.588
Angle α, β, γ (deg.)90.000, 95.286, 90.000
Int Tables number4
Space group name H-MP1211
Space group name HallP2yb
Symmetry operation#1: x,y,z
#2: -x,y+1/2,-z

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Components

#1: Protein
NanoRNase C


Mass: 23446.725 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bartonella henselae (bacteria) / Gene: BM1374165_00260 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: X5MEI1
#2: RNA chain
5'-phosphorylated AA


Mass: 613.454 Da / Num. of mol.: 8 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2043 / 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: 3.03 Å3/Da / Density % sol: 59.5 %
Crystal growTemperature: 294 K / Method: vapor diffusion, hanging drop / pH: 6.5 / Details: 0.1 M Succinic acid; 10% PEG 3,350; 20% xylitol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: F1 / Wavelength: 1.0001 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Oct 19, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0001 Å / Relative weight: 1
ReflectionResolution: 1.95→43.48 Å / Num. obs: 165258 / % possible obs: 99.68 % / Redundancy: 3.7 % / Biso Wilson estimate: 26.42 Å2 / CC1/2: 0.997 / Net I/σ(I): 11.98
Reflection shellResolution: 1.95→2.02 Å / Num. unique obs: 16396 / CC1/2: 0.775

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Processing

Software
NameVersionClassification
PHENIX1.15.2_3472refinement
XDSdata reduction
Aimlessdata scaling
pointlessdata scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1yt3
Resolution: 1.95→43.48 Å / SU ML: 0.1694 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 16.7773
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.1796 2000 1.21 %
Rwork0.1451 163258 -
obs0.1455 165258 99.61 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 30.72 Å2
Refinement stepCycle: LAST / Resolution: 1.95→43.48 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13042 360 0 2043 15445
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00614087
X-RAY DIFFRACTIONf_angle_d0.760219231
X-RAY DIFFRACTIONf_chiral_restr0.05462204
X-RAY DIFFRACTIONf_plane_restr0.00452419
X-RAY DIFFRACTIONf_dihedral_angle_d18.99495349
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.95-20.26741400.240511459X-RAY DIFFRACTION98.41
2-2.050.25581430.206311658X-RAY DIFFRACTION99.53
2.05-2.110.25331420.184611590X-RAY DIFFRACTION99.63
2.11-2.180.19591430.166111656X-RAY DIFFRACTION99.87
2.18-2.260.18111420.156111643X-RAY DIFFRACTION99.86
2.26-2.350.19541440.150211713X-RAY DIFFRACTION99.87
2.35-2.450.20361430.152611661X-RAY DIFFRACTION99.9
2.45-2.580.16311420.145211631X-RAY DIFFRACTION99.81
2.58-2.740.1841440.147611696X-RAY DIFFRACTION99.71
2.74-2.960.17261430.147611677X-RAY DIFFRACTION99.78
2.96-3.250.19511420.146411661X-RAY DIFFRACTION99.7
3.25-3.720.16531440.132611668X-RAY DIFFRACTION99.21
3.72-4.690.15071420.113511718X-RAY DIFFRACTION99.73
4.69-43.480.16091460.139311827X-RAY DIFFRACTION99.5
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)
10.6094830968420.0059268759873-0.04051706608350.6785297925570.5617606675751.71699668927-0.02251145239480.1081323794240.0438721684061-0.156281507285-0.03385169036150.0885033296175-0.274008792616-0.1218843284370.03900702809990.2219579412790.00635492223133-0.01038992404930.179898547290.01639263999960.17829639345227.979064694429.83584642412.3604891255
20.4644905158450.0283727232338-0.1746345626560.5239595946140.7332151185311.420411585380.01043833010520.053187488922-0.1621481112470.0389362641361-0.09468542429120.1622280062260.245675689776-0.3875649517740.04002511640070.181143543627-0.0371742287202-0.007867743491150.228208485876-0.013649590970.22615851634521.074728606318.494972623822.2674684995
31.16239160025-0.02382444191370.09529763107860.2612881366750.2470053038741.0009413152-0.04662423760250.0577775336178-0.0216467731553-0.009079589178630.03828783953960.0587596329224-0.141544585226-0.002845383672730.01225996325460.163449230162-0.008725267585570.009737434293930.114610490020.009502105994810.14883574983332.975440500628.916202639625.6332366728
40.3992024743280.01578236865890.1012618082441.35989065859-0.3628824460310.704719265448-0.0278811687918-0.05373781509870.04888975369980.226983298970.03877819555280.113897857947-0.101622128008-0.167768225535-0.01181916943520.205295061150.02831472624990.0364791136710.199760260338-0.008945730015510.17130181099824.056268433521.177216628559.4638152734
50.550871640989-0.3478343811130.2235055535752.0252787561-0.9761890726651.123709165780.006318548991560.07810294052560.0119663480801-0.2365215078720.08322191207590.1385480605980.11618520671-0.208546259164-0.0643571548480.173966358476-0.00920997527541-0.005922024225820.2517174066980.004472842064310.19816818900919.132176797210.911102600647.2330463646
60.977623789142-0.120906046913-0.04045242394320.785116241111-0.03389518606220.452947857087-0.04255504894230.0348815793888-0.04408112972340.1368445515220.01499766658370.0265670588420.112179097871-0.09442745720770.02424379569210.209874411980.005103664404580.0115527771920.1928695123420.00687639957010.16079673586130.77792373078.5811221600459.0395413587
70.411337504890.106504621249-0.1139496736621.83106755952-0.3591363010060.5038854707350.02404826207310.0425510836336-0.0213251636961-0.1521941430160.03968197259980.1427813125690.0862307699075-0.0607401477661-0.05913472337170.207934618399-0.0290332788861-0.01136035197660.230141443266-0.05018259519090.19821313463528.6494244133-13.8955631315.17187649944
82.643854515830.1257071087560.5212148130853.46554000911-0.5607601991222.147209943490.066403949538-0.122272299162-0.0009372653340730.212625269233-0.09279165259960.4380827813290.0290994420105-0.286027265590.004561424774070.207217137465-0.04984537431230.01947016239350.287625295865-0.02281558175210.25536414869619.8536823004-18.99254144616.4444944369
90.827089449642-0.269448247543-0.01297356007280.940832336528-0.08700985233670.414775311230.01514060520360.0292367792176-0.0206871438729-0.1778400143570.0176380614731-0.01215832317030.00221724953823-0.00133531384581-0.03496557112310.202612653131-0.02385591445360.01663197873040.229424757359-0.05516108675720.17263181149436.9028574763-3.830699281584.60586126543
100.9028984879990.2760971706780.3126059818010.6064509163860.3490650541321.57194095297-0.0800026503788-0.01581722534740.0194553883117-0.04085169311710.0883106805282-0.0958348738684-0.2841879316250.1995960640840.008635963327320.181483434566-0.04768228126780.0002274513296990.189675480826-0.01936703168490.18567559668659.617064445535.297880190539.3166695109
110.624908262644-0.0319575192729-0.3361153226430.365263344214-0.4991267705381.07944549158-0.032180440718-0.116335552145-0.2212401351680.03099681867570.0532130079426-0.186530715550.1846176692610.566007999185-0.03096407431720.178524291590.00711369658489-0.02323478830090.355253537315-0.01365342685270.30630984131267.622697639522.486487289139.2676607909
121.088958257770.1268836558280.1647734396020.3904855124810.3866904023120.720951056091-0.07052130098420.0224776297018-0.0188829162284-0.1195399639990.0833687197863-0.118444847689-0.1552280614910.164238930563-0.007403266187990.189959696195-0.03936591184340.01775479299420.185249498321-0.007040041065980.17843989461553.383518342929.829678057727.579118443
130.348182644498-0.0254728596346-0.1643785386440.3073130185910.1113349016631.115542035270.00405669138071-0.0318271030941-0.1062156013070.06115951049450.0216229074170.08676838022160.223302174437-0.106975513016-0.02740347157690.289642906372-0.0369472776628-0.00708964396250.1613825517320.03496454012630.25078716577525.6890101181-25.958207735750.5518646175
140.52645189294-0.423014258571-0.4361339992920.6750063308450.8756195498252.181621990810.08880591282290.08080596176480.0730713786756-0.151011970919-0.04711710402040.0814876329741-0.269307117925-0.212604501449-0.0649973265170.230024605961-0.0104746505053-0.006401438627560.1826655662280.03270279446590.21928266402320.00538071-14.902474899139.5549496757
150.814401241725-0.0891415581702-0.1601173078370.2924871931960.09768150093040.911041593872-0.03248133091580.0780725071466-0.0556504796595-0.0112351805990.05158751468310.05660512813360.228999369591-0.0562422110744-0.02931236970140.293100095865-0.0143668143481-0.02187202801380.1553050124950.02023928250090.23497960929233.1047282138-25.030036043338.1476411091
160.826436787185-0.2796845617860.2662350743181.226150950830.04757152032551.37310596356-0.0114633518895-0.103361528286-0.05178133798350.333540695117-0.0187439549259-0.202447504820.09021914140970.1784292611620.08117600282660.2986551292140.052833461615-0.08404553699330.2330828102540.02188082050560.27394487801961.7046511028-7.2105365401967.6662942052
170.487073357641-0.2441383886270.1409117651610.975098717576-0.1496977721390.04739086790790.00541216616605-0.0781680777411-0.09072278284180.2364201894930.07092943583940.06797173184750.03113468990320.026827476463-0.08058991197930.2549381732930.0324671015192-0.04041840777670.2138027670860.01415985572730.22455358007353.63131471652.2408105568465.6499314177
180.820337210992-0.3186271223550.1266267155581.09815070277-0.1628673976610.4349956653390.04635290165130.0321830572001-0.1258022899720.102242962117-0.0215410370799-0.1759432421510.05160227367530.149333511306-0.02119428739590.2034151544960.0295623442828-0.03679174341550.2312065862470.003197347372790.21873011255656.96291790874.746963077358.5900578865
190.5618913988130.276161036866-0.0461847309471.564450571130.4499925345410.304431035427-0.0855618955020.0938847695367-0.0422190491694-0.3784363679060.30104340363-0.449992947172-0.09961887121060.311849885709-0.09405808284990.234236806409-0.09400560319490.1275744206170.416520370217-0.1611659485140.30022246384763.86067301055.931282974213.98355562341
203.419734327940.299996773491-0.583582458931.183052611030.1383324797690.459422275759-0.107206611502-0.146988465523-0.208745416991-0.0383844761250.228080978574-0.305190068878-0.06688478921990.375689449295-0.0164837740350.173584690761-0.0807327282850.09038369902830.534695910636-0.2298524729850.42138843867770.284525343816.604245906314.4149947998
210.6869936636450.2868846087710.04072820133420.9416531999590.01052410133660.360796838649-0.124671262651-0.127149865220.0273135501024-0.09655852871240.237220461354-0.2310049209920.09901284171380.256088170956-0.06666037314950.200557506359-0.0006861819386340.05315144469610.339914544353-0.1231432626220.25209829405656.7774266258-3.100965309296.72095064711
220.6503959201160.282565263681-0.3759449647650.3898769066280.07638394081251.24524199972-0.06257379877260.178801321466-0.2884348241960.02023377832670.00220783251555-0.2131402041390.4054602579370.1403352469870.06506709840580.3196405799220.1107852143-0.005159464126820.277539589757-0.06629170092490.40359545666961.5015516659-30.205767279529.3513699633
230.5779160781410.0874414584629-0.2900907717880.466806371158-0.1467508508152.443108319820.04044443357070.133636253853-0.04808328827130.0231485418550.0869691108985-0.185271364418-0.08096745346450.33072743269-0.1590914495910.2174512791340.0542253788737-0.02954314399550.354987499111-0.04727641898830.38368889465868.8404901965-17.039370859331.0559306223
240.7189760645680.198613438269-0.04935093018160.4610291830840.1510901091840.742695279174-0.03858080375090.00477648858498-0.1438721635440.1940030470390.048063678433-0.2383947773890.2799564711630.1845119327910.03048570633070.274344170350.0653877613123-0.0421282208030.159186473476-0.009553053029820.27261399727653.4441423678-25.015375747140.0149595155
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1(chain A and resid 1:109)
2X-RAY DIFFRACTION2(chain A and resid 110:148)
3X-RAY DIFFRACTION3(chain A and resid 149:206)
4X-RAY DIFFRACTION4(chain C and resid 2:109)
5X-RAY DIFFRACTION5(chain C and resid 110:148)
6X-RAY DIFFRACTION6(chain C and resid 149:206)
7X-RAY DIFFRACTION7(chain E and resid 2:131)
8X-RAY DIFFRACTION8(chain E and resid 132:151)
9X-RAY DIFFRACTION9(chain E and resid 152:206)
10X-RAY DIFFRACTION10(chain G and resid 2:113)
11X-RAY DIFFRACTION11(chain G and resid 114:151)
12X-RAY DIFFRACTION12(chain G and resid 152:206)
13X-RAY DIFFRACTION13(chain I and resid 2:109)
14X-RAY DIFFRACTION14(chain I and resid 110:148)
15X-RAY DIFFRACTION15(chain I and resid 149:206)
16X-RAY DIFFRACTION16(chain K and resid 2:61)
17X-RAY DIFFRACTION17(chain K and resid 62:113)
18X-RAY DIFFRACTION18(chain K and resid 114:206)
19X-RAY DIFFRACTION19(chain M and resid 3:131)
20X-RAY DIFFRACTION20(chain M and resid 132:148)
21X-RAY DIFFRACTION21(chain M and resid 149:206)
22X-RAY DIFFRACTION22(chain O and resid 3:113)
23X-RAY DIFFRACTION23(chain O and resid 114:151)
24X-RAY DIFFRACTION24(chain O and resid 152:206)

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Major update of PDB

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  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

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Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

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