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- PDB-3kbt: Crystal structure of the ankyrin binding domain of human erythroi... -

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Basic information

Entry
Database: PDB / ID: 3kbt
TitleCrystal structure of the ankyrin binding domain of human erythroid beta spectrin (repeats 13-15) in complex with the spectrin binding domain of human erythroid ankyrin (ZU5-ANK)
Components
  • Ankyrin-1
  • Spectrin beta chain, erythrocyte
KeywordsSTRUCTURAL PROTEIN / complex / spectrin / spectrin repeat / three helix bundle / ankyrin binding / disease mutation / ankyrin / ZU5 / beta sandwich / spectrin binding / cytoskeleton / membrane skeleton / Actin capping / Actin-binding / Elliptocytosis / Hereditary hemolytic anemia / Phosphoprotein / Alternative promoter usage / ANK repeat / Lipoprotein / Membrane / Sarcoplasmic reticulum
Function / homology
Function and homology information


spectrin / spectrin-associated cytoskeleton / positive regulation of organelle organization / modification of postsynaptic actin cytoskeleton / maintenance of epithelial cell apical/basal polarity / NrCAM interactions / ankyrin-1 complex / Neurofascin interactions / CHL1 interactions / cytoskeletal anchor activity ...spectrin / spectrin-associated cytoskeleton / positive regulation of organelle organization / modification of postsynaptic actin cytoskeleton / maintenance of epithelial cell apical/basal polarity / NrCAM interactions / ankyrin-1 complex / Neurofascin interactions / CHL1 interactions / cytoskeletal anchor activity / actin filament capping / M band / Interaction between L1 and Ankyrins / ankyrin binding / spectrin binding / cortical actin cytoskeleton / exocytosis / axolemma / endoplasmic reticulum to Golgi vesicle-mediated transport / COPI-mediated anterograde transport / cytoskeleton organization / NCAM signaling for neurite out-growth / sarcoplasmic reticulum / cell projection / protein localization to plasma membrane / sarcolemma / structural constituent of cytoskeleton / cytoplasmic side of plasma membrane / Z disc / actin filament binding / actin cytoskeleton / cell junction / actin binding / ATPase binding / actin cytoskeleton organization / RAF/MAP kinase cascade / postsynaptic membrane / postsynapse / basolateral plasma membrane / protein phosphatase binding / transmembrane transporter binding / cytoskeleton / neuron projection / glutamatergic synapse / structural molecule activity / enzyme binding / cell surface / signal transduction / protein-containing complex / plasma membrane / cytosol
Similarity search - Function
Chondroitinase Ac; Chain A, domain 3 - #30 / Spectrin, beta subunit / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #60 / Ankyrin, UPA domain / UPA domain / Chondroitinase Ac; Chain A, domain 3 / Domain present in ZO-1 and Unc5-like netrin receptors / ZU5 domain / ZU5 domain / ZU5 domain profile. ...Chondroitinase Ac; Chain A, domain 3 - #30 / Spectrin, beta subunit / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #60 / Ankyrin, UPA domain / UPA domain / Chondroitinase Ac; Chain A, domain 3 / Domain present in ZO-1 and Unc5-like netrin receptors / ZU5 domain / ZU5 domain / ZU5 domain profile. / Spectrin repeat / Spectrin repeat / Actinin-type actin-binding domain signature 1. / Actinin-type actin-binding domain signature 2. / Actinin-type actin-binding domain, conserved site / Spectrin/alpha-actinin / Spectrin repeats / Ankyrin repeat / Death domain profile. / Calponin homology domain / DEATH domain, found in proteins involved in cell death (apoptosis). / Death domain / Death domain / Calponin homology (CH) domain / Calponin homology domain / CH domain superfamily / Calponin homology (CH) domain profile. / Ankyrin repeats (many copies) / Death-like domain superfamily / Ankyrin repeat / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Up-down Bundle / Sandwich / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Spectrin beta chain, erythrocytic / Ankyrin-1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.75 Å
AuthorsIpsaro, J.J. / Mondragon, A.
CitationJournal: Blood / Year: 2010
Title: Structural basis for spectrin recognition by ankyrin.
Authors: Ipsaro, J.J. / Mondragon, A.
History
DepositionOct 20, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 2, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Refinement description / Version format compliance
Revision 1.2Nov 1, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 1.3Feb 21, 2024Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spectrin beta chain, erythrocyte
B: Spectrin beta chain, erythrocyte
C: Ankyrin-1
D: Ankyrin-1


Theoretical massNumber of molelcules
Total (without water)110,2624
Polymers110,2624
Non-polymers00
Water0
1
A: Spectrin beta chain, erythrocyte
D: Ankyrin-1


Theoretical massNumber of molelcules
Total (without water)55,1312
Polymers55,1312
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1610 Å2
ΔGint-6 kcal/mol
Surface area25140 Å2
MethodPISA
2
B: Spectrin beta chain, erythrocyte
C: Ankyrin-1


Theoretical massNumber of molelcules
Total (without water)55,1312
Polymers55,1312
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1590 Å2
ΔGint-5 kcal/mol
Surface area26320 Å2
MethodPISA
Unit cell
Length a, b, c (Å)90.450, 95.660, 137.930
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22B
13A
23B
14C
24D
15C
25D

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1112A1587 - 1691
2112B1587 - 1691
1122A1692 - 1800
2122B1692 - 1800
1132A1801 - 1889
2132B1801 - 1889
1142C910 - 1000
2142D910 - 1000
1152C1006 - 1068
2152D1006 - 1068

NCS ensembles :
ID
1
2
3
4
5

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Components

#1: Protein Spectrin beta chain, erythrocyte / Beta-I spectrin


Mass: 37245.320 Da / Num. of mol.: 2 / Fragment: UNP residues 1583-1906
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SPTB, SPTB1 / Plasmid: pMCSG7 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P11277
#2: Protein Ankyrin-1 / / Erythrocyte ankyrin / Ankyrin-R


Mass: 17885.594 Da / Num. of mol.: 2 / Fragment: UNP residues 911-1068
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANK, ANK1 / Plasmid: pICANTE / Production host: Escherichia coli (E. coli) / Strain (production host): ER2566 / References: UniProt: P16157
Sequence detailsEL TO DV SEQUENCE CONFLICT IN UNP ENTRY P16157

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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: 2.71 Å3/Da / Density % sol: 54.54 %
Crystal growTemperature: 283 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: Protein complex at 7.5 mg/mL mixed 1:1 with 0.05 M MES pH 6.5, 0.2 M ammonium acetate, 0.01 M calcium chloride, 10% PEG-4000, 5 mM dithiothreitol, VAPOR DIFFUSION, HANGING DROP, temperature 283K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.97872 Å
DetectorType: RAYONIX MX-225 / Detector: CCD / Date: Dec 21, 2008
RadiationMonochromator: Diamond laue / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97872 Å / Relative weight: 1
ReflectionResolution: 2.75→40 Å / Num. all: 31768 / Num. obs: 30405 / % possible obs: 96.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.9 % / Biso Wilson estimate: 33.3 Å2 / Rsym value: 0.047 / Net I/σ(I): 20.2
Reflection shellResolution: 2.75→2.87 Å / Redundancy: 4 % / Mean I/σ(I) obs: 4.6 / Rsym value: 0.308 / % possible all: 98

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Processing

Software
NameVersionClassification
MAR345data collection
SHARPphasing
REFMAC5.5.0088refinement
XDSdata reduction
SCALAdata scaling
RefinementMethod to determine structure: SAD / Resolution: 2.75→37.82 Å / Cor.coef. Fo:Fc: 0.913 / Cor.coef. Fo:Fc free: 0.868 / SU B: 37.059 / SU ML: 0.333 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 2.651 / ESU R Free: 0.411 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.29216 1572 5.2 %RANDOM
Rwork0.24483 ---
obs0.24728 28791 95.7 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 33.255 Å2
Baniso -1Baniso -2Baniso -3
1--0.44 Å20 Å20 Å2
2---0.03 Å20 Å2
3---0.47 Å2
Refinement stepCycle: LAST / Resolution: 2.75→37.82 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7076 0 0 0 7076
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0227197
X-RAY DIFFRACTIONr_angle_refined_deg1.4751.9619707
X-RAY DIFFRACTIONr_dihedral_angle_1_deg8.6276.8012762
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.12424.085377
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.07151293
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.0461567
X-RAY DIFFRACTIONr_chiral_restr0.1050.21058
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0215501
X-RAY DIFFRACTIONr_mcbond_it0.5471.54389
X-RAY DIFFRACTIONr_mcangle_it1.12727021
X-RAY DIFFRACTIONr_scbond_it1.93932808
X-RAY DIFFRACTIONr_scangle_it3.44.52686
Refine LS restraints NCS

Dom-ID: 1 / Refine-ID: X-RAY DIFFRACTION

Ens-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
1A420TIGHT POSITIONAL0.090.05
1A437MEDIUM POSITIONAL0.10.5
1A420TIGHT THERMAL0.120.5
1A437MEDIUM THERMAL0.152
2A436TIGHT POSITIONAL0.070.05
2A448MEDIUM POSITIONAL0.090.5
2A436TIGHT THERMAL0.160.5
2A448MEDIUM THERMAL0.172
3A272TIGHT POSITIONAL0.040.05
3A281MEDIUM POSITIONAL0.060.5
3A272TIGHT THERMAL0.080.5
3A281MEDIUM THERMAL0.12
4C352TIGHT POSITIONAL0.050.05
4C302MEDIUM POSITIONAL0.070.5
4C352TIGHT THERMAL0.120.5
4C302MEDIUM THERMAL0.132
5C240TIGHT POSITIONAL0.050.05
5C253MEDIUM POSITIONAL0.060.5
5C240TIGHT THERMAL0.090.5
5C253MEDIUM THERMAL0.12
LS refinement shellResolution: 2.75→2.821 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.445 126 -
Rwork0.354 2089 -
obs-2215 97.49 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.9033-3.46080.11288.75-0.25111.12290.06030.0136-0.1801-0.2395-0.0042-0.1398-0.00510.0811-0.0560.0330.03590.04080.17220.05710.137420.933-23.38527.743
21.526-0.70550.076710.1218-4.2413.75890.0035-0.09910.1534-0.373-0.07110.26450.18330.19660.06760.15860.0412-0.00970.14670.02660.053411.24122.337.49
33.05593.6585-0.31959.28561.67043.9709-0.0789-0.01880.5956-0.7590.4364-0.015-0.25220.2852-0.35750.71540.0218-0.13150.19660.07950.528811.06459.868-8.883
49.1729-4.08812.30734.6531-0.59634.7839-0.2237-0.05830.5611-0.03910.35670.1988-1.0982-0.4164-0.1330.36250.05480.0680.290.11790.1462-44.71449.5979.84
58.25360.00220.4890.5922-0.55481.09270.02290.40970.1546-0.0519-0.0778-0.11350.0813-0.02610.05490.0726-0.0070.03020.119-0.00850.06921.2838.46625.127
69.0531.96181.04150.4770.08931.48980.2611-0.5343-0.15410.1504-0.085-0.0616-0.17350.0881-0.17620.23150.03990.04080.3382-0.01760.303143.31739.96639.101
76.25222.2947-0.70964.8985-0.78722.0912-0.0155-0.6427-1.60140.2191-0.4129-0.73290.56690.05540.42840.2112-0.00260.09690.17160.13130.56052.79117.83640.401
84.75771.54411.70025.84711.01795.1026-0.52080.12050.4683-0.52490.11830.826-0.6023-0.5190.40250.18620.075-0.14350.24660.06910.2087-7.02221.729-10.647
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1585 - 1691
2X-RAY DIFFRACTION2A1692 - 1800
3X-RAY DIFFRACTION3A1801 - 1889
4X-RAY DIFFRACTION4B1587 - 1691
5X-RAY DIFFRACTION5B1692 - 1800
6X-RAY DIFFRACTION6B1801 - 1892
7X-RAY DIFFRACTION7C911 - 1068
8X-RAY DIFFRACTION8D910 - 1068

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