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- PDB-1mjn: Crystal Structure of the intermediate affinity aL I domain mutant -

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Basic information

Entry
Database: PDB / ID: 1mjn
TitleCrystal Structure of the intermediate affinity aL I domain mutant
ComponentsIntegrin alpha-L
KeywordsIMMUNE SYSTEM / Rossmann Fold
Function / homology
Function and homology information


memory T cell extravasation / integrin alphaL-beta2 complex / T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell / ICAM-3 receptor activity / RUNX3 Regulates Immune Response and Cell Migration / integrin complex / cell adhesion mediated by integrin / heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules / leukocyte cell-cell adhesion / receptor clustering ...memory T cell extravasation / integrin alphaL-beta2 complex / T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell / ICAM-3 receptor activity / RUNX3 Regulates Immune Response and Cell Migration / integrin complex / cell adhesion mediated by integrin / heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules / leukocyte cell-cell adhesion / receptor clustering / Integrin cell surface interactions / specific granule membrane / phagocytosis / cell adhesion molecule binding / cell-matrix adhesion / integrin-mediated signaling pathway / Cell surface interactions at the vascular wall / cell-cell adhesion / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / integrin binding / cell adhesion / inflammatory response / external side of plasma membrane / Neutrophil degranulation / cell surface / signal transduction / extracellular exosome / membrane / metal ion binding / plasma membrane
Similarity search - Function
Integrin alpha cytoplasmic region / Integrin alpha-2 / Integrin alpha Ig-like domain 1 / von Willebrand factor, type A domain / : / Integrin alpha Ig-like domain 2 / Integrin alpha chain / Integrin alpha beta-propellor / Integrin alpha chain, C-terminal cytoplasmic region, conserved site / Integrins alpha chain signature. ...Integrin alpha cytoplasmic region / Integrin alpha-2 / Integrin alpha Ig-like domain 1 / von Willebrand factor, type A domain / : / Integrin alpha Ig-like domain 2 / Integrin alpha chain / Integrin alpha beta-propellor / Integrin alpha chain, C-terminal cytoplasmic region, conserved site / Integrins alpha chain signature. / FG-GAP repeat profile. / Integrin alpha (beta-propellor repeats). / FG-GAP repeat / FG-GAP repeat / Integrin domain superfamily / Integrin alpha, N-terminal / von Willebrand factor type A domain / von Willebrand factor (vWF) type A domain / VWFA domain profile. / von Willebrand factor, type A / von Willebrand factor A-like domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.3 Å
AuthorsShimaoka, M. / Xiao, T. / Liu, J.H. / Yang, Y.T. / Dong, Y.C. / Jun, C.D. / McCormack, A. / Zhang, R.G. / Wang, J.H. / Springer, T.A.
CitationJournal: Cell(Cambridge,Mass.) / Year: 2003
Title: Structures of the alphaL I Domain and its Complex with ICAM-1 reveal a Shape-shifting Pathway for Integrin Regulation
Authors: Shimaoka, M. / Xiao, T. / Liu, J.H. / Yang, Y.T. / Dong, Y.C. / Jun, C.D. / McCormack, A. / Zhang, R.G. / Joachimiak, A. / Takagi, J. / Wang, J.H. / Springer, T.A.
History
DepositionAug 28, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 28, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 27, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Integrin alpha-L
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,3872
Polymers20,3621
Non-polymers241
Water5,801322
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)40.374, 57.399, 66.909
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Integrin alpha-L / Leukocyte adhesion glycoprotein LFA-1 alpha chain / Leukocyte function associated molecule 1 / ...Leukocyte adhesion glycoprotein LFA-1 alpha chain / Leukocyte function associated molecule 1 / alpha chain / CD11a


Mass: 20362.336 Da / Num. of mol.: 1 / Fragment: Intermediate Affinity aL I Domain / Mutation: L161C, F299C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P20701
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 322 / 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: 1.9 Å3/Da / Density % sol: 35.38 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: PEG 4000, MgCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
110-20 mg/mlprotein1drop
230 %PEG40001reservoir
30.05 M1reservoirMgCl2
40.1 MTris-Cl1reservoirpH8.5

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Data collection

Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1.0332
DetectorType: SBC / Detector: CCD / Date: Dec 17, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0332 Å / Relative weight: 1
ReflectionResolution: 1.3→50 Å / Num. all: 35329 / Num. obs: 33956 / % possible obs: 90.2 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 5.6 % / Biso Wilson estimate: 7.8 Å2 / Rmerge(I) obs: 0.088 / Rsym value: 0.088 / Net I/σ(I): 17.8
Reflection shellResolution: 1.3→1.35 Å / Redundancy: 2.7 % / Rmerge(I) obs: 0.352 / Mean I/σ(I) obs: 2.4 / Num. unique all: 2897 / Rsym value: 0.352 / % possible all: 47
Reflection
*PLUS
Lowest resolution: 50 Å / Num. obs: 35329 / Num. measured all: 197616
Reflection shell
*PLUS
% possible obs: 47 %

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Processing

Software
NameClassification
HKL-2000data collection
SCALEPACKdata scaling
AMoREphasing
SHELXL-97refinement
HKL-2000data reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1LFA

1lfa


Resolution: 1.3→50 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.202 3516 RANDOM
Rwork0.156 --
all-31703 -
obs-31703 -
Refinement stepCycle: LAST / Resolution: 1.3→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1432 0 1 322 1755
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.012
X-RAY DIFFRACTIONs_angle_d0.03
X-RAY DIFFRACTIONs_from_restr_planes0.0282
X-RAY DIFFRACTIONs_zero_chiral_vol0.06
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.064
LS refinement shellResolution: 1.3→1.38 Å /
RfactorNum. reflection
Rwork0.227 -
obs-3195
Software
*PLUS
Name: SHELXL / Version: 97 / Classification: refinement
Refinement
*PLUS
Highest resolution: 1.3 Å / Lowest resolution: 50 Å / % reflection Rfree: 10 % / Rfactor Rfree: 0.2
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_angle_d
X-RAY DIFFRACTIONs_angle_deg2.4

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