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2kz7

Solution structure of the CARMIL CAH3a/b domain bound to capping protein (CP)

Method: SOLUTION NMR Dmax: 92.7 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

F-actin-capping protein subunit alpha-1

Gallus gallus

UniProt P13127

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric（3） Consistent with protein copy count Chain A； UniProt 1–286 Not recorded F-actin-capping protein subunit beta isoforms 1 and 2 × 1 （P14315） Leucine-rich repeat-containing protein 16A × 1 （Q6EDY6） SOLUTION NMR NMR measurement conditions：pH 6.5；305 K；Ionic strength (raw mmCIF value) 100；Pressure ambient NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CARMIL CAH3a/b domain, 0.39 mM [U-2H] CPalpha subunit, 0.39 mM [U-2H] CPbeta subunit, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H; spin labeled at 1 or 5 postions] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O Resolution not provided

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 2KZ7 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1IZN Crystal Structure of Actin Filament Capping Protein CapZ Deposited 2002-10-10 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–286（286 aa）
Not recorded NO3 NITRATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；293 K；PEG3350, magnesium nitrate, MES-NAOH, Jeffamine M-600, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.10 Å R-free 0.262
1IZN Crystal Structure of Actin Filament Capping Protein CapZ Deposited 2002-10-10 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–286（286 aa）
Not recorded NO3 NITRATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；293 K；PEG3350, magnesium nitrate, MES-NAOH, Jeffamine M-600, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.10 Å R-free 0.262
2KXP Solution NMR structure of V-1 bound to capping protein (CP) Deposited 2010-05-11 Different construct Different experimental conditions Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 7–281（275 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；305 K；Ionic strength (raw mmCIF value) 0.1；Pressure ambient
NMR sample composition 0.35 mM [U-100% 15N; U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-99% 2H] V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.35 mM [U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.35 mM [U-100% 15N; U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-99% 2H] M7C V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
3AA0 Crystal structure of Actin Capping Protein in complex with the Cp-binding motif derived from CARMIL Deposited 2009-11-11 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded CO3 CARBONATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；18% PEG 400, 40MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.70 Å R-free 0.239
3AA1 Crystal structure of Actin capping protein in complex with the Cp-binding motif derived from CKIP-1 Deposited 2009-11-11 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；17.5% PEG 400, 30MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.263
3AA6 Crystal structure of Actin capping protein in complex with the Cp-binding motif derived from CD2AP Deposited 2009-11-11 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded BA BARIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；10% PEG 400, 20MM BACL2, 100MM MES-NAOH, PH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.238
3AA7 Crystal structure of Actin capping protein Deposited 2009-11-11 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–286（286 aa）
Not recorded BA BARIUM ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；12.5% PEG 400, 20MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.261
3AAA Crystal Structure of Actin capping protein in complex with V-1 Deposited 2009-11-12 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–286（286 aa）
Not recorded IPA ISOPROPYL ALCOHOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.35；293 K；10% PEG 4000, 20% ISOPROPANOL, 20MM EDTA, 0.1M TRIS-HCL, pH 8.35, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.20 Å R-free 0.237
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain E 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain G 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain I 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3LK2 Crystal structure of CapZ bound to the uncapping motif from CARMIL Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；10% w/v PEG 20000, 100mM MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.20 Å R-free 0.268
3LK3 Crystal structure of CapZ bound to the CPI and CSI uncapping motifs from CARMIL Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；0.2M KCl, 20% (w/v) PEG 3350 , pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.68 Å R-free 0.248
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 10 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 1 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 11 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 4 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 12 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 7 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain D 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain G 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain J 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain M 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain P 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 7 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain S 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 8 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain V 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 9 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Y 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
7DS2 Crystal structure of actin capping protein in complex with twinflin-1 C-terminus tail Deposited 2020-12-30 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；22.5% (w/v) PEG 400, 0.1M HEPES-NaOH (pH = 7.0)
Resolution 1.95 Å R-free 0.183
7DS3 Crystal structure of actin capping protein in complex with twinflin-2 C-terminus tail Deposited 2020-12-30 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5% (w/v) PEG 3350, 50mM Tris-HCl (pH = 7.0)
Resolution 2.09 Å R-free 0.251
7DS4 Crystal structure of actin capping protein in complex with twinflin-1 C-terminus tail F323K mutant Deposited 2020-12-30 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5% (w/v) PEG 3350, 5% (v/v) ethanol, 50mM Tris-HCl (pH = 7.0)
Resolution 1.85 Å R-free 0.259
7DS6 Crystal structure of actin capping protein in complex with twinflin-1/CD2AP CPI chimera peptide (TWN-CDC) Deposited 2020-12-30 Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；5% (w/v) PEG 3350, 5% (v/v) ethanol, 50mM Tris-HCl (pH = 7.0)
Resolution 1.69 Å R-free 0.253
7DS8 Crystal structure of actin capping protein in complex with twinflin-1/CD2AP CPI chimera peptide (CDN-TWC) Deposited 2020-12-30 Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；4% (w/v) PEG 3350, 50mM Tris-HCl (pH = 7.0)
Resolution 1.95 Å R-free 0.233
7DSA Crystal structure of actin capping protein in complex with V-1 (space group P62) Deposited 2020-12-30 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；20% (w/v) PEG 3350, 0.2M Magnesium Acetate
Resolution 2.80 Å R-free 0.254
7DSB Crystal structure of actin capping protein in complex with V-1 and twinfilin C-terminal tail Deposited 2020-12-30 Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 1–286（286 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；10% (w/v) PEG 3350, 5% (v/v) isopropanol, 0.1M HEPES-NaOH (pH = 7.5)
Resolution 2.44 Å R-free 0.248
9BLI Crystal structure of Actin capping protein in complex with a fragment of Legionella pneumophila RavB Deposited 2024-04-30 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–286（286 aa）
Not recorded FMT FORMIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；10 mM Tris pH 8.0, 0.2 M ammonium formate, 0.15 M NaCl, 21% w/v PEG 3350, 30% ethylene glycol
Resolution 2.00 Å R-free 0.208

19 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CAZA1_CHICK
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–286； UniProt 1–286

F-actin-capping protein subunit beta isoforms 1 and 2

Gallus gallus

UniProt P14315

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric（3） Consistent with protein copy count Chain B； UniProt 1–277 Not recorded F-actin-capping protein subunit alpha-1 × 1 （P13127） Leucine-rich repeat-containing protein 16A × 1 （Q6EDY6） SOLUTION NMR NMR measurement conditions：pH 6.5；305 K；Ionic strength (raw mmCIF value) 100；Pressure ambient NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CARMIL CAH3a/b domain, 0.39 mM [U-2H] CPalpha subunit, 0.39 mM [U-2H] CPbeta subunit, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H; spin labeled at 1 or 5 postions] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O Resolution not provided

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 2KZ7 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1IZN Crystal Structure of Actin Filament Capping Protein CapZ Deposited 2002-10-10 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–277（277 aa）
Not recorded NO3 NITRATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；293 K；PEG3350, magnesium nitrate, MES-NAOH, Jeffamine M-600, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.10 Å R-free 0.262
1IZN Crystal Structure of Actin Filament Capping Protein CapZ Deposited 2002-10-10 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 1–277（277 aa）
Not recorded NO3 NITRATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；293 K；PEG3350, magnesium nitrate, MES-NAOH, Jeffamine M-600, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.10 Å R-free 0.262
2KXP Solution NMR structure of V-1 bound to capping protein (CP) Deposited 2010-05-11 Different construct Different experimental conditions Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 2–271（270 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；305 K；Ionic strength (raw mmCIF value) 0.1；Pressure ambient
NMR sample composition 0.35 mM [U-100% 15N; U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-99% 2H] V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.35 mM [U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.35 mM [U-100% 15N; U-99% 2H] capping protein alpha1 subunit, 0.35 mM [U-100% 15N; U-99% 2H] capping protein beta1 subunit, 0.35 mM [U-99% 2H] M7C V-1, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
3AA0 Crystal structure of Actin Capping Protein in complex with the Cp-binding motif derived from CARMIL Deposited 2009-11-11 Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Mutation：residues 244-277 deletion mutation CO3 CARBONATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；18% PEG 400, 40MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.70 Å R-free 0.239
3AA1 Crystal structure of Actin capping protein in complex with the Cp-binding motif derived from CKIP-1 Deposited 2009-11-11 Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Mutation：residues 244-277 deletion mutation MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；17.5% PEG 400, 30MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.263
3AA6 Crystal structure of Actin capping protein in complex with the Cp-binding motif derived from CD2AP Deposited 2009-11-11 Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Mutation：residues 244-277 deletion mutation BA BARIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；10% PEG 400, 20MM BACL2, 100MM MES-NAOH, PH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.238
3AA7 Crystal structure of Actin capping protein Deposited 2009-11-11 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–244（244 aa）
Mutation：residues 244-277 deletion mutation BA BARIUM ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；12.5% PEG 400, 20MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.261
3AAA Crystal Structure of Actin capping protein in complex with V-1 Deposited 2009-11-12 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–277（277 aa）
Not recorded IPA ISOPROPYL ALCOHOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.35；293 K；10% PEG 4000, 20% ISOPROPANOL, 20MM EDTA, 0.1M TRIS-HCL, pH 8.35, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 2.20 Å R-free 0.237
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain D 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain F 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain H 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain J 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3LK2 Crystal structure of CapZ bound to the uncapping motif from CARMIL Deposited 2010-01-27 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–243（243 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；10% w/v PEG 20000, 100mM MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.20 Å R-free 0.268
3LK3 Crystal structure of CapZ bound to the CPI and CSI uncapping motifs from CARMIL Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；0.2M KCl, 20% (w/v) PEG 3350 , pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.68 Å R-free 0.248
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 10 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 2 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 11 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 5 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 12 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain 8 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain E 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain H 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain K 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain N 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Q 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 7 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain T 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 8 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain W 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
3LK4 Crystal structure of CapZ bound to the uncapping motif from CD2AP Deposited 2010-01-27 Different experimental method Different experimental conditions Different structure-quality metrics Assembly 9 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Z 1–277（277 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 400, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.99 Å R-free 0.272
7DS2 Crystal structure of actin capping protein in complex with twinflin-1 C-terminus tail Deposited 2020-12-30 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；22.5% (w/v) PEG 400, 0.1M HEPES-NaOH (pH = 7.0)
Resolution 1.95 Å R-free 0.183
7DS3 Crystal structure of actin capping protein in complex with twinflin-2 C-terminus tail Deposited 2020-12-30 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5% (w/v) PEG 3350, 50mM Tris-HCl (pH = 7.0)
Resolution 2.09 Å R-free 0.251
7DS4 Crystal structure of actin capping protein in complex with twinflin-1 C-terminus tail F323K mutant Deposited 2020-12-30 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5% (w/v) PEG 3350, 5% (v/v) ethanol, 50mM Tris-HCl (pH = 7.0)
Resolution 1.85 Å R-free 0.259
7DS6 Crystal structure of actin capping protein in complex with twinflin-1/CD2AP CPI chimera peptide (TWN-CDC) Deposited 2020-12-30 Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；5% (w/v) PEG 3350, 5% (v/v) ethanol, 50mM Tris-HCl (pH = 7.0)
Resolution 1.69 Å R-free 0.253
7DS8 Crystal structure of actin capping protein in complex with twinflin-1/CD2AP CPI chimera peptide (CDN-TWC) Deposited 2020-12-30 Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；4% (w/v) PEG 3350, 50mM Tris-HCl (pH = 7.0)
Resolution 1.95 Å R-free 0.233
7DSA Crystal structure of actin capping protein in complex with V-1 (space group P62) Deposited 2020-12-30 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；20% (w/v) PEG 3350, 0.2M Magnesium Acetate
Resolution 2.80 Å R-free 0.254
7DSB Crystal structure of actin capping protein in complex with V-1 and twinfilin C-terminal tail Deposited 2020-12-30 Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–244（244 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；10% (w/v) PEG 3350, 5% (v/v) isopropanol, 0.1M HEPES-NaOH (pH = 7.5)
Resolution 2.44 Å R-free 0.248
9BLI Crystal structure of Actin capping protein in complex with a fragment of Legionella pneumophila RavB Deposited 2024-04-30 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–244（244 aa）
Not recorded FMT FORMIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；10 mM Tris pH 8.0, 0.2 M ammonium formate, 0.15 M NaCl, 21% w/v PEG 3350, 30% ethylene glycol
Resolution 2.00 Å R-free 0.208

19 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CAPZB_CHICK
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–277； UniProt 1–277

Leucine-rich repeat-containing protein 16A

Mus musculus

UniProt Q6EDY6

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric（3） Consistent with protein copy count Chain C； UniProt 965–1039 Not recorded F-actin-capping protein subunit alpha-1 × 1 （P13127） F-actin-capping protein subunit beta isoforms 1 and 2 × 1 （P14315） SOLUTION NMR NMR measurement conditions：pH 6.5；305 K；Ionic strength (raw mmCIF value) 100；Pressure ambient NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CARMIL CAH3a/b domain, 0.39 mM [U-2H] CPalpha subunit, 0.39 mM [U-2H] CPbeta subunit, 93% H2O/7% D2O | 93% H2O/7% D2O NMR sample composition：0.35 mM [U-99% 15N; U-80% 2H] CPalpha subunit, 0.35 mM [U-99% 15N; U-80% 2H] CPbeta subunit, 0.39 mM [U-2H; spin labeled at 1 or 5 postions] CARMIL CAH3a/b domain, 93% H2O/7% D2O | 93% H2O/7% D2O Resolution not provided

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 2KZ7 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
3AA0 Crystal structure of Actin Capping Protein in complex with the Cp-binding motif derived from CARMIL Deposited 2009-11-11 Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 985–1005（21 aa） Fragment：CP-BINDING MOTIF, recidues 985-1005
Not recorded CO3 CARBONATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；18% PEG 400, 40MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.70 Å R-free 0.239
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain X 971–1002（32 aa） Fragment：CP-BINDING MOTIF, residues 971-1002
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Y 971–1002（32 aa） Fragment：CP-BINDING MOTIF, residues 971-1002
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Z 971–1002（32 aa） Fragment：CP-BINDING MOTIF, residues 971-1002
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain W 971–1002（32 aa） Fragment：CP-BINDING MOTIF, residues 971-1002
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
3AAE Crystal structure of Actin capping protein in complex with CARMIL fragment Deposited 2009-11-16 Different construct Different experimental method Different experimental conditions Different structure-quality metrics Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain V 971–1002（32 aa） Fragment：CP-BINDING MOTIF, residues 971-1002
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；14% PEG 3350, 180MM TRI-AMMONIUM CITRATE, 100MM MES-NAOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.271
4K17 Crystal Structure of mouse CARMIL residues 1-668 Deposited 2013-04-04 Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–668（668 aa） Fragment：PH and LRR domains (UNP residues 1-668)
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.7；293 K；16 % PEG3350, 130 mM lithium sulfate, 0.25 % w/v salicylamide, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.90 Å R-free 0.259
4K17 Crystal Structure of mouse CARMIL residues 1-668 Deposited 2013-04-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 1–668（668 aa） Fragment：PH and LRR domains (UNP residues 1-668)
Non-standard monomer：Yes (specific site not provided by mmCIF) OHB salicylamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.7；293 K；16 % PEG3350, 130 mM lithium sulfate, 0.25 % w/v salicylamide, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.90 Å R-free 0.259
4K17 Crystal Structure of mouse CARMIL residues 1-668 Deposited 2013-04-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 1–668（668 aa） Fragment：PH and LRR domains (UNP residues 1-668)
Non-standard monomer：Yes (specific site not provided by mmCIF) ABU GAMMA-AMINO-BUTANOIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.7；293 K；16 % PEG3350, 130 mM lithium sulfate, 0.25 % w/v salicylamide, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.90 Å R-free 0.259
4K17 Crystal Structure of mouse CARMIL residues 1-668 Deposited 2013-04-04 Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 1–668（668 aa） Fragment：PH and LRR domains (UNP residues 1-668)
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.7；293 K；16 % PEG3350, 130 mM lithium sulfate, 0.25 % w/v salicylamide, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.90 Å R-free 0.259

3 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LR16A_MOUSE
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 9–83； UniProt 965–1039

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 2kz7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2kz7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2kz7
Deposition date deposition_date2010-06-12
Structure title titleSolution structure of the CARMIL CAH3a/b domain bound to capping protein (CP)
Keywords keywordsTROSY, Paramagnetic relaxation enhancement, protein-protein complex, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodSOLUTION NMR
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier28.59 Å
Radius of gyration Rg (electron density) rg_electron28.22 Å
Forward intensity I(0) i07411320000.00
Molecular weight molecular_weight713140.0 kDa
Excluded volume excluded_volume886070 ų
Envelope volume envelope_volume238660 ų
Hydration-shell volume shell_volume57933 ų
Envelope diameter envelope_diameter106.6 Å
Shell Rg shell_rg42.05 Å
Envelope Rg envelope_rg32.27 Å
Shape Rg shape_rg28.20 Å
Total Rg total_rg28.51 Å
Total atoms total_atoms99730
Residues n_residues6270
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax92.7 Å
Rg (real space) rg_real28.56 Å
Rg uncertainty (real space) rg_real_error0.62 Å
I(0) (real space) i0_real7.4110e+09
I(0) uncertainty (real space) i0_real_error1.0400e+08
Rg (reciprocal space) rg_reciprocal28.58 Å
I(0) (reciprocal space) i0_reciprocal7411000000.0000
Solution quality estimate total_estimate0.8927
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.0 Å
Skewness Skewness skewness0.341
Kurtosis Kurtosis kurtosis-0.383
Angular range angular_range— – 0.2750 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha89250000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.878; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.973
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

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7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2kz7a_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.43 — Subunits of heterodimeric actin filament capping protein Capz
Superfamily Superfamily superfamilye.43.1 — Subunits of heterodimeric actin filament capping protein Capz
Family Family familye.43.1.1 — Capz alpha-1 subunit
Domain ID domain_idd2kz7b_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.43 — Subunits of heterodimeric actin filament capping protein Capz
Superfamily Superfamily superfamilye.43.1 — Subunits of heterodimeric actin filament capping protein Capz
Family Family familye.43.1.2 — Capz beta-1 subunit

CATH v4.4 (4 domains)

Domain ID domain_id2kz7A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1140 — Ribosomal protein S3 C-terminal domain
Homologous superfamily homologous superfamily60 — F-actin capping protein, alpha subunit
Domain ID domain_id2kz7A02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1150 — Aspartate Aminotransferase, domain 1
Homologous superfamily homologous superfamily210 — F-actin capping protein, beta subunit
Domain ID domain_id2kz7B01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily570 — F-actin capping protein, alpha/beta subunit, N-terminal domain
Domain ID domain_id2kz7B02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1150 — Aspartate Aminotransferase, domain 1
Homologous superfamily homologous superfamily210 — F-actin capping protein, beta subunit
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8. Citations (1)

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9. Files and Curves (10)