5IKN	Transferase	date	Mar 03, 2016
title	Crystal Structure Of The T7 Replisome In The Absence Of Dna
authors	J.R.Wallen, T.Ellenberger
compound		source
Molecule: Dna-Directed Dna Polymerase Chain: A, B, C Synonym: Dna Polymerase Gp5,Gene Product 5,Gp5,T7 Dna Polym Ec: 2.7.7.7,3.1.11.- Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage T7 Organism_taxid: 10760 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Dna Primasehelicase Chain: D, E, F, G, H, I, J Synonym: Gene Product 4,Gp4 Ec: 2.7.7.-,3.6.4.12 Engineered: Yes		Organism_scientific: Enterobacteria Phage T7 Organism_taxid: 10760 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Thioredoxin-1 Chain: K, L, M Synonym: Trx-1 Engineered: Yes		Organism_scientific: Escherichia Coli O157:H7 Organism_taxid: 83334 Gene: Trxa, Z5291, Ecs4714 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.275 R_Free 0.318
crystal cell	length a length b length c angle alpha angle beta angle gamma 174.866 238.091 243.466 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	4.80 Å
ligand		enzyme	Transferase E.C.2.7.7.7 BRENDA
Gene Ontology	Chain Function Process Component A, B, C nuclease activity exonuclease activity 3'-5' exonuclease activity F, J, E, H, D, I, G K, M, L
Primary reference	Hybrid Methods Reveal Multiple Flexibly Linked DNA Polymerases within the Bacteriophage T7 Replisome., Wallen JR, Zhang H, Weis C, Cui W, Foster BM, Ho CM, Hammel M, Tainer JA, Gross ML, Ellenberger T, Structure. 2017 Jan 3;25(1):157-166. doi: 10.1016/j.str.2016.11.019. PMID:28052235

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1886 Kb) [Save to disk] Biological Unit Coordinates (5ikn.pdb1.gz) 1874 Kb CSU: Contacts of Structural Units for 5IKN Structure Factors (853 Kb) Retrieve 5IKN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5IKN from S2C, [Save to disk] Re-refined 5ikn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5IKN 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.

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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: [5ikn_L] [5ikn_I] [5ikn_K] [5ikn_E] [5ikn_C] [5ikn_H] [5ikn_B] [5ikn_A] [5ikn_D] [5ikn_F] [5ikn] [5ikn_M] [5ikn_G] [5ikn_J] SWISS-PROT database: Domain organization of by SWISSPFAM

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