2HSE | pdb_00002hse

Structure of D236A E. coli Aspartate Transcarbamoylase in the presence of phosphonoacetamide and l-Aspartate at 2.60 A resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 
    0.254 (Depositor), 0.251 (DCC) 
  • R-Value Work: 
    0.209 (Depositor), 0.208 (DCC) 
  • R-Value Observed: 
    0.209 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.4 of the entry. See complete history

Literature

The allosteric transition induced by the aspartate binding to Aspartate Transcarbamoylase

Wang, J.Eldo, J.Kantrowitz, E.R.

To be published.

Macromolecule Content 

  • Total Structure Weight: 103.78 kDa 
  • Atom Count: 7,509 
  • Modeled Residue Count: 912 
  • Deposited Residue Count: 926 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Aspartate carbamoyltransferase catalytic chain
A, C
310Escherichia coliMutation(s): 1 
Gene Names: pyrB
EC: 2.1.3.2
UniProt
Find proteins for P0A786 (Escherichia coli (strain K12))
Explore P0A786 
Go to UniProtKB:  P0A786
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A786
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Aspartate carbamoyltransferase regulatory chain
B, D
153Escherichia coliMutation(s): 0 
Gene Names: pyrI
UniProt
Find proteins for P0A7F3 (Escherichia coli (strain K12))
Explore P0A7F3 
Go to UniProtKB:  P0A7F3
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A7F3
Sequence Annotations
Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
PCT

Query on PCT



Download:Ideal Coordinates CCD File
F [auth A],
J [auth C]
PHOSPHONOACETAMIDE
C2 H6 N O4 P
AKVIWWJLBFWFLM-UHFFFAOYSA-N
ASP

Query on ASP



Download:Ideal Coordinates CCD File
G [auth A],
H [auth A],
K [auth C]
ASPARTIC ACID
C4 H7 N O4
CKLJMWTZIZZHCS-REOHCLBHSA-N
PO4

Query on PO4



Download:Ideal Coordinates CCD File
E [auth A]PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
ZN

Query on ZN



Download:Ideal Coordinates CCD File
I [auth B],
L [auth D]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free:  0.254 (Depositor), 0.251 (DCC) 
  • R-Value Work:  0.209 (Depositor), 0.208 (DCC) 
  • R-Value Observed: 0.209 (Depositor) 
Space Group: P 3 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 121.076α = 90
b = 121.076β = 90
c = 155.235γ = 120
Software Package:
Software NamePurpose
AMoREphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-07-17
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-10-20
    Changes: Database references, Derived calculations
  • Version 1.4: 2023-08-30
    Changes: Data collection, Refinement description