| Entry | Database: PDB / ID: 9n1z |
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| Title | Structure of C3d Bound to a Fragment of FHR-2 |
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Components | - Complement C3dg fragment
- Complement factor H-related protein 2
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Keywords | IMMUNE SYSTEM / complement system / C3 / RCA / inhibitor |
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| Function / homology | Function and homology information
C5L2 anaphylatoxin chemotactic receptor binding / oviduct epithelium development / regulation of triglyceride biosynthetic process / positive regulation of activation of membrane attack complex / vertebrate eye-specific patterning / complement component C3b binding / positive regulation of apoptotic cell clearance / complement-mediated synapse pruning / Alternative complement activation / positive regulation of phagocytosis, engulfment ...C5L2 anaphylatoxin chemotactic receptor binding / oviduct epithelium development / regulation of triglyceride biosynthetic process / positive regulation of activation of membrane attack complex / vertebrate eye-specific patterning / complement component C3b binding / positive regulation of apoptotic cell clearance / complement-mediated synapse pruning / Alternative complement activation / positive regulation of phagocytosis, engulfment / Activation of C3 and C5 / positive regulation of lipid storage / positive regulation of G protein-coupled receptor signaling pathway / positive regulation of type IIa hypersensitivity / complement-dependent cytotoxicity / complement receptor mediated signaling pathway / positive regulation of D-glucose transmembrane transport / complement activation, alternative pathway / complement activation / endopeptidase inhibitor activity / : / neuron remodeling / amyloid-beta clearance / B cell activation / positive regulation of vascular endothelial growth factor production / complement activation, classical pathway / negative regulation of protein binding / Purinergic signaling in leishmaniasis infection / Regulation of Complement cascade / Peptide ligand-binding receptors / Post-translational protein phosphorylation / response to bacterium / fatty acid metabolic process / positive regulation of receptor-mediated endocytosis / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / positive regulation of protein phosphorylation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of angiogenesis / azurophil granule lumen / secretory granule lumen / blood microparticle / G alpha (i) signalling events / immune response / G protein-coupled receptor signaling pathway / endoplasmic reticulum lumen / inflammatory response / receptor ligand activity / signaling receptor binding / Neutrophil degranulation / cell surface / signal transduction / protein-containing complex / extracellular space / extracellular exosome / extracellular region / identical protein binding / plasma membraneSimilarity search - Function : / Complement C3-like, NTR domain / : / : / Complement component 3, CUB domain, second segment / Complement component 3, CUB domain, first segment / Complement C3/4/5, macroglobulin domain MG1 / Macroglobulin domain MG1 / Alpha-2-macroglobulin, conserved site / Alpha-2-macroglobulin family thiolester region signature. ...: / Complement C3-like, NTR domain / : / : / Complement component 3, CUB domain, second segment / Complement component 3, CUB domain, first segment / Complement C3/4/5, macroglobulin domain MG1 / Macroglobulin domain MG1 / Alpha-2-macroglobulin, conserved site / Alpha-2-macroglobulin family thiolester region signature. / Anaphylatoxin, complement system domain / : / Alpha-macro-globulin thiol-ester bond-forming region / Anaphylatoxin domain signature. / Anaphylatoxin, complement system / Anaphylatoxin/fibulin / Anaphylotoxin-like domain / Anaphylatoxin domain profile. / Anaphylatoxin homologous domain / Netrin C-terminal Domain / Netrin module, non-TIMP type / UNC-6/NTR/C345C module / Macroglobulin domain MG4 / Macroglobulin domain MG4 / Alpha-macroglobulin, receptor-binding / Alpha-macroglobulin, receptor-binding domain superfamily / Macroglobulin domain MG3 / : / A-macroglobulin receptor binding domain / Macroglobulin domain MG3 / A-macroglobulin receptor / Netrin domain / NTR domain profile. / Alpha-2-macroglobulin / Macroglobulin domain / Tissue inhibitor of metalloproteinases-like, OB-fold / Alpha-2-macroglobulin, bait region domain / Alpha-macroglobulin-like, TED domain / Alpha-2-macroglobulin family / MG2 domain / A-macroglobulin TED domain / Alpha-2-macroglobulin bait region domain / Alpha-2-Macroglobulin / Alpha-2-macroglobulin family / Sushi repeat (SCR repeat) / Domain abundant in complement control proteins; SUSHI repeat; short complement-like repeat (SCR) / Sushi/SCR/CCP domain / Sushi/CCP/SCR domain profile. / Sushi/SCR/CCP superfamily / Terpenoid cyclases/protein prenyltransferase alpha-alpha toroid / Immunoglobulin-like foldSimilarity search - Domain/homology |
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| Biological species | Homo sapiens (human) |
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| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.31 Å |
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Authors | Duan, H. / Geisbrecht, B.V. |
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| Funding support | United States, 1items | Organization | Grant number | Country |
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| National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) | R35GM140852 | United States |
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Citation | Journal: J Immunol. / Year: 2025 Title: The C-terminal domain of Staphylococcus aureus Efb recruits FHR-2 to C3b, synergistically inhibiting the terminal complement pathway. Authors: Duan, H. / Kortvely, E. / Mary, J.L. / Hauck, S.M. / Geisbrecht, B.V. |
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| History | | Deposition | Jan 27, 2025 | Deposition site: RCSB / Processing site: RCSB |
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| Revision 1.0 | Dec 10, 2025 | Provider: repository / Type: Initial release |
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