2HCZ	Allergen	date	Jun 19, 2006
title	Crystal Structure Of Expb1 (Zea M 1), A Beta-Expansin And Gr Pollen Allergen From Maize
authors	N.H.Yennawar, D.J.Cosgrove
compound		source
Molecule: Beta-Expansin 1a Chain: X Synonym: Pollen Allergen Zea M 1, Zea M I		Organism_scientific: Zea Mays Organism_taxid: 4577 Tissue: Pollen
symmetry	Space Group: C 1 2 1	R_factor 0.233 R_Free 0.290
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.408 44.512 69.467 90.00 124.64 90.00
method	X-Ray Diffraction	resolution	2.75 Å
ligand	FCA, HYP, MAN, NAG, XYS	enzyme
note	2HCZ is a representative structure
Gene Ontology	Chain Function Process Component X
Primary reference	Crystal structure and activities of EXPB1 (Zea m 1), a beta-expansin and group-1 pollen allergen from maize., Yennawar NH, Li LC, Dudzinski DM, Tabuchi A, Cosgrove DJ, Proc Natl Acad Sci U S A. 2006 Oct 3;103(40):14664-71. Epub 2006 Sep 19. PMID:16984999

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (2hcz.pdb1.gz) 37 Kb LPC: Ligand-Protein Contacts for 2HCZ CSU: Contacts of Structural Units for 2HCZ Likely Quarternary Molecular Structure file(s) for 2HCZ Structure Factors (58 Kb) Retrieve 2HCZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HCZ from S2C, [Save to disk] Re-refined 2hcz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HCZ 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 2HCZ

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 2HCZ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hcz] [2hcz_X] SWISS-PROT database: [P58738] Domain organization of [EXPB1_MAIZE] by SWISSPFAM Domain found in 2HCZ: [DPBB_1 ] by SMART

Other resources with information on 2HCZ

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

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