6QXT Dna Binding Protein date Mar 08, 2019
title Cas1-Cas2-Csn2-Dna Dimer Complex From The Type II-A Crispr-C
authors M.Wilkinson, G.Drabavicius, A.Silanskas, G.Gasiunas, V.Siksnys, D
compound source
Molecule: Crispr-Associated Protein Csn2
Chain: A, B, C, D, E, F, G, H, a, b, c, d, e, f, g, h
Engineered: Yes
Organism_scientific: Streptococcus Thermophilus
Organism_taxid: 1308
Gene: Csn2
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008

Molecule: Crispr-Associated Endonuclease Cas1
Chain: I, J, L, M, O, P, R, S, U, V, Y, Z, I, j, l, m, o, p V, Y, Z;
Ec: 3.1.-.-
Engineered: Yes
Mutation: Yes

Organism_scientific: Streptococcus Thermophilus
Organism_taxid: 1308
Gene: Cas1
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008

Molecule: Crispr-Associated Endoribonuclease Cas2
Chain: K, N, Q, T, W, X, k, n, q, t, w, x
Ec: 3.1.-.-
Engineered: Yes

Organism_scientific: Streptococcus Thermophilus
Organism_taxid: 1308
Gene: Cas2
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008

Molecule: Dna (64-Mer)
Chain: 1
Other_details: Mixed Sequences Of Cell Dna Fragments Bound Represented As Poly(A);

Organism_scientific: Escherichia Coli Bl21(De3)
Organism_taxid: 469008

Molecule: Dna (64-Mer)
Chain: 2
Other_details: Mixed Sequences Of Cell Dna Fragments Bound Represented As Poly(T)

Organism_scientific: Escherichia Coli Bl21(De3)
Organism_taxid: 469008
symmetry Space Group: P 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
1.000 1.000 1.000 90.00 90.00 90.00
method Electron Microscopyresolution 8.90 Å
ligand CA enzyme Hydrolase E.C.3.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
S, Y, j, y, Z, u, J, v, s, I, z, U, r, V, M, L, i, O, P, m, l, p, R, o
  • nuclease activity
  • endonuclease activity


  • T, N, K, k, t, W, q, w, x, Q, n, X
  • nuclease activity
  • endonuclease activity
  • endoribonuclease activity


  • a, d, E, g, e, B, H, c, b, D, G, F, h, C, f, A


    Primary referenceStructure of the DNA-Bound Spacer Capture Complex of a Type II CRISPR-Cas System., Wilkinson M, Drabavicius G, Silanskas A, Gasiunas G, Siksnys V, Wigley DB, Mol Cell. 2019 May 6. pii: S1097-2765(19)30312-0. doi:, 10.1016/j.molcel.2019.04.020. PMID:31080012
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1200 Kb) [Save to disk]
  • Biological Unit Coordinates (6qxt.pdb1.gz) 1147 Kb
  • LPC: Ligand-Protein Contacts for 6QXT
  • CSU: Contacts of Structural Units for 6QXT
  • Retrieve 6QXT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6QXT from S2C, [Save to disk]
  • View 6QXT 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 6QXT
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 6qxt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6qxt_T] [6qxt_I] [6qxt_H] [6qxt_G] [6qxt_p] [6qxt_Q] [6qxt_g] [6qxt_P] [6qxt_A] [6qxt_K] [6qxt_D] [6qxt_V] [6qxt_h] [6qxt_v] [6qxt_k] [6qxt_l] [6qxt_n] [6qxt_S] [6qxt_J] [6qxt_C] [6qxt_b] [6qxt_e] [6qxt_W] [6qxt_U] [6qxt_N] [6qxt_m] [6qxt_o] [6qxt_2] [6qxt_j] [6qxt_r] [6qxt_c] [6qxt_M] [6qxt_w] [6qxt_X] [6qxt_Y] [6qxt_f] [6qxt_x] [6qxt_s] [6qxt_F] [6qxt_a] [6qxt_q] [6qxt_u] [6qxt_1] [6qxt_d] [6qxt_L] [6qxt_z] [6qxt_t] [6qxt_Z] [6qxt_y] [6qxt_B] [6qxt_i] [6qxt_R] [6qxt_E] [6qxt_O]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6QXT
  • Community annotation for 6QXT at PDBWiki (http://pdbwiki.org)

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