3M1B	Immune System Inhibitor	date	Mar 04, 2010
title	Crystal Structure Of Human Fcrn With A Dimeric Peptide Inhib
authors	A.R.Mezo, V.Sridhar, J.Badger, P.Sakorafas, V.Nienaber
compound		source
Molecule: Igg Receptor Fcrn Large Subunit P51 Chain: A, C, E, G Fragment: Unp Residues 24-290 Synonym: Fcrn, Neonatal Fc Receptor, Igg Fc Fragment Recept Transporter Alpha Chain; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Fcgrt, Fcrn Expression_system: Cricetinae Expression_system_common: Hamsters Expression_system_taxid: 10026 Expression_system_cell: Chok1sv Cells
Molecule: Beta-2-Microglobulin Chain: B, D, F, H Fragment: Unp Residues 21-119 Synonym: Beta-2-Microglobulin Form Pi 5.3 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: B2m, Cdabp0092, Hdcma22p Expression_system: Cricetinae Expression_system_common: Hamsters Expression_system_taxid: 10026 Expression_system_cell: Chok1sv Cells
Molecule: Dimeric Peptide Inhibitor Chain: I, J Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 1 21 1	R_factor 0.314 R_Free 0.397
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.050 158.431 82.539 90.00 90.11 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand	LE1, MLE, SAR	enzyme
Gene Ontology	Chain Function Process Component H, F, D, B cellular response to iron io...
Primary reference	X-ray crystal structures of monomeric and dimeric peptide inhibitors in complex with the human neonatal Fc receptor, FcRn., Mezo AR, Sridhar V, Badger J, Sakorafas P, Nienaber V, J Biol Chem. 2010 Sep 3;285(36):27694-701. Epub 2010 Jun 30. PMID:20592032

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (228 Kb) [Save to disk] Biological Unit Coordinates (3m1b.pdb1.gz) 42 Kb Biological Unit Coordinates (3m1b.pdb2.gz) 20 Kb Biological Unit Coordinates (3m1b.pdb3.gz) 43 Kb Biological Unit Coordinates (3m1b.pdb4.gz) 20 Kb Biological Unit Coordinates (3m1b.pdb5.gz) 42 Kb Biological Unit Coordinates (3m1b.pdb6.gz) 20 Kb Biological Unit Coordinates (3m1b.pdb7.gz) 42 Kb Biological Unit Coordinates (3m1b.pdb8.gz) 20 Kb Biological Unit Coordinates (3m1b.pdb9.gz) 6 Kb LPC: Ligand-Protein Contacts for 3M1B CSU: Contacts of Structural Units for 3M1B Structure Factors (441 Kb) Retrieve 3M1B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3M1B from S2C, [Save to disk] Re-refined 3m1b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3M1B in 3D

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Visual 3D analysis of 3M1B

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3M1B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3m1b_C] [3m1b_E] [3m1b_J] [3m1b_A] [3m1b] [3m1b_H] [3m1b_B] [3m1b_G] [3m1b_D] [3m1b_I] [3m1b_F] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3M1B: [IGc1 ] by SMART

Other resources with information on 3M1B

Community annotation for 3M1B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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