2HDD		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
note	2HDD is a representative structure
related structures	by homologous chain: 1DU0
Gene Ontology	Chain Function Process Component A, B
Primary reference	Engrailed (Gln50-->Lys) homeodomain-DNA complex at 1.9 A resolution: structural basis for enhanced affinity and altered specificity., Tucker-Kellogg L, Rould MA, Chambers KA, Ades SE, Sauer RT, Pabo CO, Structure 1997 Aug 15;5(8):1047-54. PMID:9309220

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (2hdd.pdb1.gz) 40 Kb CSU: Contacts of Structural Units for 2HDD Likely Quarternary Molecular Structure file(s) for 2HDD Retrieve 2HDD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HDD from S2C, [Save to disk]

View 2HDD 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hdd_B] [2hdd] [2hdd_A] [2hdd_C] [2hdd_D] SWISS-PROT database: [P02836] Domain found in 2HDD: [HOX ] by SMART

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