Ontology highlight
ABSTRACT:
SUBMITTER: Veldkamp CT
PROVIDER: S-EPMC2692298 | biostudies-literature | 2008 Sep
REPOSITORIES: biostudies-literature
Veldkamp Christopher T CT Seibert Christoph C Peterson Francis C FC De la Cruz Norberto B NB Haugner John C JC Basnet Harihar H Sakmar Thomas P TP Volkman Brian F BF
Science signaling 20080916 37
Stem cell homing and breast cancer metastasis are orchestrated by the chemokine stromal cell-derived factor 1 (SDF-1) and its receptor CXCR4. Here, we report the nuclear magnetic resonance structure of a constitutively dimeric SDF-1 in complex with a CXCR4 fragment that contains three sulfotyrosine residues important for a high-affinity ligand-receptor interaction. CXCR4 bridged the SDF-1 dimer interface so that sulfotyrosines sTyr7 and sTyr12 of CXCR4 occupied positively charged clefts on oppos ...[more]