1AYO	Macroglobulin	date	Nov 07, 1997
title	Receptor Binding Domain Of Bovine Alpha-2-Macroglobulin
authors	L.B.Jenner, L.Husted, S.Thirup, L.Sottrup-Jensen, J.Nyborg
compound		source
Molecule: Alpha-2-Macroglobulin Chain: A, B Fragment: Receptor-Binding Domain Other_details: N-Linked Glycosylation Site On Asn B 68		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Tissue: Plasma
symmetry	Space Group: P 31 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.570 107.570 72.229 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CA, NAG	enzyme
related structures	by homologous chain: 1EDY
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the receptor-binding domain of alpha 2-macroglobulin., Jenner L, Husted L, Thirup S, Sottrup-Jensen L, Nyborg J, Structure 1998 May 15;6(5):595-604. PMID:9634697

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1ayo.pdb1.gz) 48 Kb LPC: Ligand-Protein Contacts for 1AYO CSU: Contacts of Structural Units for 1AYO Likely Quarternary Molecular Structure file(s) for 1AYO Structure Factors (421 Kb) Retrieve 1AYO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AYO from S2C, [Save to disk] Re-refined 1ayo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AYO in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1AYO

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 1AYO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ayoa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ayob_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ayo_B] [1ayo] [1ayo_A] SWISS-PROT database: [Q7SIH1] Domain organization of [A2MG_BOVIN] by SWISSPFAM Domain found in 1AYO: [A2M_recep ] by SMART

Other resources with information on 1AYO

Community annotation for 1AYO at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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