2C7Q	Transferase Dna	date	Nov 27, 2005
title	Hhai Dna Methyltransferase Complex With Oligonucleotide Cont Aminopurine Outside The Recognition Sequence (Paired With G
authors	D.Daujotyte, S.Grazulis
compound		source
Molecule: Modification Methylase Hhai Chain: A Synonym: Dna Methyltransferase Hhai, Cytosine-Specific Methyltransferase Hhai; Ec: 2.1.1.37 Engineered: Yes		Organism_scientific: Haemophilus Haemolyticus Organism_taxid: 726 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Er1727 Expression_system_plasmid: Phh553
Molecule: 5'-D(Tgpgp(2pr)Gpgp(5cm)Gpcptpgp Apc Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: 5'-D(Tgptpcpapgpcpgpcpcpgpcpc)-3' Chain: D Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: H 3 2	R_factor 0.187 R_Free 0.210
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.100 95.100 312.180 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	2PR, 5CM, CIT, SAH, SO4	enzyme	Transferase E.C.2.1.1.37 BRENDA
Gene Ontology	Chain Function Process Component A DNA (cytosine-5-)-methyltran...
Primary reference	Time-resolved fluorescence of 2-aminopurine as a probe of base flipping in M.HhaI-DNA complexes., Neely RK, Daujotyte D, Grazulis S, Magennis SW, Dryden DT, Klimasauskas S, Jones AC, Nucleic Acids Res. 2005 Dec 9;33(22):6953-60. Print 2005. PMID:16340006

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (77 Kb) [Save to disk] Biological Unit Coordinates (2c7q.pdb1.gz) 70 Kb LPC: Ligand-Protein Contacts for 2C7Q CSU: Contacts of Structural Units for 2C7Q Likely Quarternary Molecular Structure file(s) for 2C7Q Retrieve 2C7Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C7Q from S2C, [Save to disk]

View 2C7Q 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 2C7Q

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2C7Q, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c7q_A] [2c7q_C] [2c7q] [2c7q_D] SWISS-PROT database: [P05102] Domain organization of [MTH1_HAEPH] by SWISSPFAM

Other resources with information on 2C7Q

Community annotation for 2C7Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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