2ESG	Immune System Transport Protein	date	Oct 26, 2005
title	Solution Structure Of The Complex Between Immunoglobulin Iga1 And Human Serum Albumin
authors	A.Almogren, P.B.Furtado, Z.Sun, S.J.Perkins, M.A.Kerr
compound		source
Molecule: Immunoglobulin A1 Light Chain Chain: L, M		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Purified With Thiophilic Chromatography And Gel Filtration From Serum Of A Patient With Iga1 Myeloma;
Molecule: Immunoglobulin A1 Heavy Chain Chain: A, B		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Purified With Thiophilic Chromatography And Gel Filtration From Serum Of A Patient With Iga1 Myeloma;
Molecule: Serum Albumin Chain: C Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Alb Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 1.000 1.000 1.000 90.00 90.00 90.00
method	Solution Scattering	resolution
Gene Ontology	Chain Function Process Component C DNA binding fatty acid binding copper ion binding protein binding drug binding zinc ion binding lipid binding toxic substance binding antioxidant activity oxygen binding enzyme binding pyridoxal phosphate binding cell surface binding metal ion binding chaperone binding platelet degranulation lipid metabolic process transport response to stress response to nutrient blood coagulation bile acid metabolic process cellular response to starvat... response to organic substanc... bile acid and bile salt tran... hemolysis by symbiont of hos... platelet activation lipoprotein metabolic proces... negative regulation of apopt... negative regulation of progr... sodium-independent organic a... small molecule metabolic pro... positive regulation of circa... response to mercury ion maintenance of mitochondrion... transmembrane transport response to platinum ion extracellular region basement membrane extracellular space cytoplasm platelet alpha granule lumen... protein complex extracellular vesicular exos...
Primary reference	Purification, Properties and Extended Solution Structure of the Complex Formed between Human Immunoglobulin A1 and Human Serum Albumin by Scattering and Ultracentrifugation., Almogren A, Furtado PB, Sun Z, Perkins SJ, Kerr MA, J Mol Biol. 2006 Feb 17;356(2):413-31. Epub 2005 Dec 7. PMID:16376934

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (2esg.pdb1.gz) 41 Kb CSU: Contacts of Structural Units for 2ESG Likely Quarternary Molecular Structure file(s) for 2ESG Retrieve 2ESG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2ESG from S2C, [Save to disk]

View 2ESG 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2ESG

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2ESG, from MSDmotif at EBI Fold representative 2esg from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2esg_A] [2esg_B] [2esg_C] [2esg_L] [2esg_M] SWISS-PROT database: [P02768] [Q8WY24] Domain organization of [ALBU_HUMAN] [Q8WY24_HUMAN] by SWISSPFAM Domains found in 2ESG: [ALBUMIN] [IG_like] [IGv ] by SMART Alignments of the sequence of 2ESG with the sequences similar proteins can be viewed for 2ESG's classification [ALBU_HUMAN] [Q8WY24_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [ALBU_HUMAN] [Q8WY24_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2ESG

Community annotation for 2ESG at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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