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Open data
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Basic information
| Entry | Database: PDB / ID: 2k01 | ||||||
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| Title | Structure of a locked SDF1 dimer | ||||||
Components | Stromal cell-derived factor 1 | ||||||
Keywords | CYTOKINE / stromal cell derived factor-1 / SDF1-alpha / CXCL12 / chemokine / sulfotyrosine / locked dimer / Alternative splicing / Chemotaxis / Growth factor / Secreted | ||||||
| Function / homology | Function and homology informationtelencephalon cell migration / chemokine (C-X-C motif) ligand 12 signaling pathway / negative regulation of leukocyte tethering or rolling / response to ultrasound / regulation of actin polymerization or depolymerization / chemokine receptor binding / CXCL12-activated CXCR4 signaling pathway / CXCR chemokine receptor binding / positive regulation of axon extension involved in axon guidance / positive regulation of vasculature development ...telencephalon cell migration / chemokine (C-X-C motif) ligand 12 signaling pathway / negative regulation of leukocyte tethering or rolling / response to ultrasound / regulation of actin polymerization or depolymerization / chemokine receptor binding / CXCL12-activated CXCR4 signaling pathway / CXCR chemokine receptor binding / positive regulation of axon extension involved in axon guidance / positive regulation of vasculature development / positive regulation of dopamine secretion / Signaling by ROBO receptors / induction of positive chemotaxis / integrin activation / negative regulation of dendritic cell apoptotic process / negative regulation of intrinsic apoptotic signaling pathway in response to DNA damage / cellular response to chemokine / chemokine-mediated signaling pathway / positive regulation of monocyte chemotaxis / chemokine activity / blood circulation / Chemokine receptors bind chemokines / positive regulation of calcium ion import / detection of temperature stimulus involved in sensory perception of pain / animal organ regeneration / detection of mechanical stimulus involved in sensory perception of pain / positive regulation of T cell migration / Nuclear signaling by ERBB4 / positive regulation of endothelial cell proliferation / positive regulation of neuron differentiation / positive regulation of cell adhesion / axon guidance / adult locomotory behavior / cell chemotaxis / growth factor activity / defense response / response to peptide hormone / response to virus / integrin binding / neuron migration / intracellular calcium ion homeostasis / chemotaxis / : / G alpha (i) signalling events / Estrogen-dependent gene expression / response to hypoxia / cell adhesion / immune response / positive regulation of cell migration / G protein-coupled receptor signaling pathway / signaling receptor binding / external side of plasma membrane / signal transduction / extracellular exosome / extracellular region Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | SOLUTION NMR / AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT, ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT, AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT, ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT | ||||||
Authors | Volkman, B.F. / Veldkamp, C.T. / Peterson, F.C. | ||||||
Citation | Journal: Sci.Signal. / Year: 2008Title: Structural basis of CXCR4 sulfotyrosine recognition by the chemokine SDF-1/CXCL12 Authors: Veldkamp, C.T. / Seibert, C. / Peterson, F.C. / De la Cruz, N.B. / Haugner, J.C. / Basnet, H. / Sakmar, T.P. / Volkman, B.F. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 2k01.cif.gz | 974.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb2k01.ent.gz | 824.2 KB | Display | PDB format |
| PDBx/mmJSON format | 2k01.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 2k01_validation.pdf.gz | 557.8 KB | Display | wwPDB validaton report |
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| Full document | 2k01_full_validation.pdf.gz | 1 MB | Display | |
| Data in XML | 2k01_validation.xml.gz | 79.5 KB | Display | |
| Data in CIF | 2k01_validation.cif.gz | 105.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k0/2k01 ftp://data.pdbj.org/pub/pdb/validation_reports/k0/2k01 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 2k03C ![]() 2k04C ![]() 2k05C C: citing same article ( |
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| Similar structure data | |
| Other databases |
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Links
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Assembly
| Deposited unit | ![]()
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| NMR ensembles |
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Components
| #1: Protein | Mass: 8188.760 Da / Num. of mol.: 2 / Fragment: SDF-1-alpha(3-67) domain / Mutation: L36C,A65C Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CXCL12, SDF1, SDF1A, SDF1B / Production host: ![]() Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: SOLUTION NMR | ||||||||||||||||
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| NMR experiment |
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Sample preparation
| Details | Contents: 0.620 mM [U-100% 13C; U-100% 15N] CXCL12/SDF1-alpha, 90% H2O, 10% D2O Solvent system: 90% H2O/10% D2O |
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| Sample | Conc.: 0.620 mM / Component: CXCL12/SDF1-alpha / Isotopic labeling: [U-100% 13C; U-100% 15N] |
| Sample conditions | Ionic strength: 21 / pH: 6.8 / Pressure: AMBIENT / Temperature: 298 K |
-NMR measurement
| NMR spectrometer | Type: Bruker Avance / Manufacturer: Bruker / Model: AVANCE / Field strength: 600 MHz |
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Processing
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| Refinement | Method: AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT, ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT, AUTOMATED METHODS WERE ...Method: AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT, ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT, AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT, ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT Software ordinal: 1 Details: CXCL12 DIMER STRUCTURES ARE BASED ON A TOTAL OF 2274 NOE CONSTRAINTS ( 692 INTRA, 312 SEQUENTIAL, 300 MEDIUM, 857 LONG RANGE, AND 113 CXCL12 INTERMONOMER CONSTRAINTS (CXCL12 TO CXCL12), AND ...Details: CXCL12 DIMER STRUCTURES ARE BASED ON A TOTAL OF 2274 NOE CONSTRAINTS ( 692 INTRA, 312 SEQUENTIAL, 300 MEDIUM, 857 LONG RANGE, AND 113 CXCL12 INTERMONOMER CONSTRAINTS (CXCL12 TO CXCL12), AND 138 PHI AND PSI DIHEDRAL ANGLE CONSTRAINTS. CONSTRAINT WERE IN ONE ASSIGNED AND VALIDATED IN ONE CXCL12/CXCR4 COMPLEX AND THEN DUPLICATED TO GENERATE A SYMMETRY RELATED CONSTRAINT IN THE SECOND COMPLEX. CONSTRAINT TOTALS LISTED ABOVE INCLUDE CONSTRAINTS FROM BOTH MONOMERS., CXCL12/CXCR4 COMPLEX STRUCTURES ARE BASED ON A TOTAL OF 2274 NOE CONSTRAINTS ( 692 INTRA, 312 SEQUENTIAL, 300 MEDIUM, 857 LONG RANGE, AND 113 CXCL12 INTERMONOMER CONSTRAINTS (CXCL12 TO CXCL12), AND 138 PHI AND PSI DIHEDRAL ANGLE CONSTRAINTS. CONSTRAINT WERE IN ONE ASSIGNED AND VALIDATED IN ONE CXCL12/CXCR4 COMPLEX AND THEN DUPLICATED TO GENERATE A SYMMETRY RELATED CONSTRAINT IN THE SECOND COMPLEX. CONSTRAINT TOTALS LISTED ABOVE INCLUDE CONSTRAINTS FROM BOTH MONOMERS. | ||||||||||||||||||||||||||||||||
| NMR representative | Selection criteria: lowest energy | ||||||||||||||||||||||||||||||||
| NMR ensemble | Conformer selection criteria: target function / Conformers calculated total number: 100 / Conformers submitted total number: 20 |
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