2HHE	Oxygen Transport	date	Sep 29, 1994
title	Oxygen Affinity Modulation By The N-Termini Of The Beta Chai Human And Bovine Hemoglobin
authors	G.L.Gilliland, I.Pechik, C.Fronticelli, X.Ji
compound		source
Molecule: Hemoglobin (Deoxy) (Alpha Chain) Chain: A, C Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Beta-Globin Cdna Fused To A Truncated Viral Gene Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pjk05 (Fronticelli Et Al. 1991)
Molecule: Hemoglobin (Deoxy) (Beta Chain) Chain: B, D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Beta-Globin Cdna Fused To A Truncated Viral Gene Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pjk05 (Fronticelli Et Al. 1991)
symmetry	Space Group: P 1 21 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.710 82.380 53.580 90.00 99.21 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	HEM	enzyme
related structures	by homologous chain: 1Y5K, 2HBD
Gene Ontology	Chain Function Process Component A, C peroxidase activity D, B peroxidase activity
Primary reference	Chloride ion independence of the Bohr effect in a mutant human hemoglobin beta (V1M+H2deleted)., Fronticelli C, Pechik I, Brinigar WS, Kowalczyk J, Gilliland GL, J Biol Chem. 1994 Sep 30;269(39):23965-9. PMID:7929044

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (104 Kb) [Save to disk] Biological Unit Coordinates (2hhe.pdb1.gz) 98 Kb LPC: Ligand-Protein Contacts for 2HHE CSU: Contacts of Structural Units for 2HHE Likely Quarternary Molecular Structure file(s) for 2HHE Retrieve 2HHE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HHE from S2C, [Save to disk]

View 2HHE 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 2HHE

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2HHE, from MSDmotif at EBI Genome occurence of 2HHE's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2hhea_, region A [Jmol] [rasmolscript] [script source]     - Domain d2hheb_, region B [Jmol] [rasmolscript] [script source]     - Domain d2hhec_, region C [Jmol] [rasmolscript] [script source]     - Domain d2hhed_, region D [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: [2hhe_A] [2hhe_B] [2hhe] [2hhe_C] [2hhe_D] SWISS-PROT database: [P69905] [P68871] Belongs to the pore-forming globin (globin) family according to TCDB. Belongs to the pore-forming globin (globin) family according to TCDB. Domain organization of [HBA_HUMAN] [HBB_HUMAN] by SWISSPFAM

Other resources with information on 2HHE

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

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