1HTQ Ligase date Jan 01, 2001
title Multicopy Crystallographic Structure Of A Relaxed Glutamine From Mycobacterium Tuberculosis
authors H.S.Gill, G.M.Pfluegl, D.Eisenberg, Tb Structural Genomics Cons (Tbsgc)
compound source
Molecule: Glutamine Synthetase
Chain: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R V, W, X;
Synonym: Gs, Glutamate--Ammonia Ligase 1
Ec: 6.3.1.2
Engineered: Yes
 Organism_scientific: Mycobacterium Tuberculosis
Organism_taxid: 1773
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ymc21e
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptrchisb
symmetry Space Group: P 21 21 21
R_factor 0.204 R_Free 0.223
crystal
cell
length a length b length c angle alpha angle beta angle gamma
207.720 257.690 274.500 90.00 90.00 90.00
method X-Ray Diffraction, 10 Modelsresolution 2.40 Å
ligand AMP, CIT, MN enzyme Ligase E.C.6.3.1.2 BRENDA
related structures by homologous chain: 1HTO
Gene
Ontology
ChainFunctionProcessComponent
S, F, T, N, K, E, V, Q, M, C, L, A, J, O, W, X, P, B, H, D, R, I, G, U


Primary referenceMulticopy crystallographic refinement of a relaxed glutamine synthetase from Mycobacterium tuberculosis highlights flexible loops in the enzymatic mechanism and its regulation., Gill HS, Pfluegl GM, Eisenberg D, Biochemistry 2002 Aug 6;41(31):9863-72. PMID:12146952
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (19091 Kb) [Save to disk]
  • Biological Unit Coordinates (1htq.pdb1.gz) 977 Kb
  • Biological Unit Coordinates (1htq.pdb2.gz) 972 Kb
  • LPC: Ligand-Protein Contacts for 1HTQ
  • CSU: Contacts of Structural Units for 1HTQ
  • Likely Quarternary Molecular Structure file(s) for 1HTQ
  • Structure Factors (4201 Kb)
  • Retrieve 1HTQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1HTQ from S2C, [Save to disk]
    • View 1HTQ 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 1HTQ
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1HTQ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1htqa1, region A:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqa2, region A:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqb1, region B:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqb2, region B:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqc1, region C:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqc2, region C:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqd1, region D:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqd2, region D:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqe1, region E:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqe2, region E:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqf1, region F:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqf2, region F:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqg1, region G:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqg2, region G:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqh1, region H:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqh2, region H:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqi1, region I:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqi2, region I:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqj1, region J:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqj2, region J:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqk1, region K:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqk2, region K:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htql1, region L:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htql2, region L:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqm1, region M:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqm2, region M:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqn1, region N:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqn2, region N:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqo1, region O:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqo2, region O:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqp1, region P:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqp2, region P:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqq1, region Q:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqq2, region Q:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqr1, region R:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqr2, region R:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqs1, region S:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqs2, region S:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqt1, region T:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqt2, region T:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqu1, region U:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqu2, region U:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqv1, region V:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqv2, region V:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqw1, region W:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqw2, region W:101-468 [Jmol] [rasmolscript] [script source]
        - Domain d1htqx1, region X:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1htqx2, region X:101-468 [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: [1htq_B] [1htq_I] [1htq_K] [1htq_T] [1htq_H] [1htq_W] [1htq_S] [1htq] [1htq_D] [1htq_V] [1htq_A] [1htq_F] [1htq_M] [1htq_X] [1htq_U] [1htq_Q] [1htq_N] [1htq_R] [1htq_O] [1htq_J] [1htq_L] [1htq_E] [1htq_P] [1htq_G] [1htq_C]
  • SWISS-PROT database: [P0A590]
  • Domain organization of [GLNA1_MYCTU] by SWISSPFAM
  • Domain found in 1HTQ: [Gln-synt_C ] by SMART
    • Other resources with information on 1HTQ
  • Community annotation for 1HTQ at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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