7KEL | pdb_00007kel

Dihydrodipicolinate synthase (DHDPS) from C.jejuni, H59K mutant with pyruvate bound in the active site


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 
    0.253 (Depositor), 0.253 (DCC) 
  • R-Value Work: 
    0.206 (Depositor), 0.207 (DCC) 
  • R-Value Observed: 
    0.208 (Depositor) 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Reversing the roles of a crucial hydrogen-bonding pair: a lysine-insensitive mutant of Campylobacter jejuni dihydrodipicolinate synthase, H59K, binds histidine in its allosteric site

Yazdi, M.M.Saran, S.Sanders, D.A.R.Palmer, D.R.J.

To be published.

Macromolecule Content 

  • Total Structure Weight: 417.27 kDa 
  • Atom Count: 29,356 
  • Modeled Residue Count: 3,547 
  • Deposited Residue Count: 3,720 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
4-hydroxy-tetrahydrodipicolinate synthase
A, B, C, D, E
A, B, C, D, E, F, G, H, I, J, K, L
310Campylobacter jejuniMutation(s): 1 
Gene Names: dapA
EC: 4.3.3.7
UniProt
Find proteins for Q9PPB4 (Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168))
Explore Q9PPB4 
Go to UniProtKB:  Q9PPB4
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9PPB4
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
PGE
(Subject of Investigation/LOI)

Query on PGE



Download:Ideal Coordinates CCD File
AB [auth E]
DC [auth I]
GA [auth C]
HA [auth C]
JB [auth F]
AB [auth E],
DC [auth I],
GA [auth C],
HA [auth C],
JB [auth F],
LC [auth J],
M [auth A],
WA [auth D],
WC [auth K],
ZC [auth L]
TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG
(Subject of Investigation/LOI)

Query on PEG



Download:Ideal Coordinates CCD File
CC [auth H]
GD [auth L]
HD [auth L]
OB [auth F]
VC [auth J]
CC [auth H],
GD [auth L],
HD [auth L],
OB [auth F],
VC [auth J],
WB [auth G]
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL
(Subject of Investigation/LOI)

Query on GOL



Download:Ideal Coordinates CCD File
AD [auth L],
EC [auth I],
PB [auth G]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO
(Subject of Investigation/LOI)

Query on EDO



Download:Ideal Coordinates CCD File
AA [auth B]
AC [auth H]
BA [auth B]
BC [auth H]
CA [auth B]
AA [auth B],
AC [auth H],
BA [auth B],
BC [auth H],
CA [auth B],
CD [auth L],
DA [auth B],
DD [auth L],
EA [auth B],
ED [auth L],
FA [auth B],
FB [auth E],
FD [auth L],
GB [auth E],
HB [auth E],
IB [auth E],
IC [auth I],
JC [auth I],
KC [auth I],
LA [auth C],
LB [auth F],
MA [auth C],
MB [auth F],
NA [auth C],
NB [auth F],
OA [auth C],
PA [auth C],
PC [auth J],
Q [auth A],
QA [auth C],
QB [auth G],
QC [auth J],
R [auth A],
RA [auth C],
RB [auth G],
RC [auth J],
S [auth A],
SA [auth C],
SB [auth G],
SC [auth J],
T [auth A],
TA [auth C],
TB [auth G],
TC [auth J],
U [auth A],
UA [auth C],
UB [auth G],
UC [auth J],
V [auth A],
VA [auth C],
VB [auth G],
XC [auth K],
YA [auth D],
YC [auth K],
Z [auth B],
ZA [auth D]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
ACT
(Subject of Investigation/LOI)

Query on ACT



Download:Ideal Coordinates CCD File
BB [auth E]
BD [auth L]
CB [auth E]
FC [auth I]
GC [auth I]
BB [auth E],
BD [auth L],
CB [auth E],
FC [auth I],
GC [auth I],
HC [auth I],
IA [auth C],
KB [auth F],
MC [auth J],
N [auth A],
NC [auth J],
O [auth A],
OC [auth J],
W [auth B],
X [auth B],
XB [auth H],
Y [auth B],
YB [auth H],
ZB [auth H]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
MG
(Subject of Investigation/LOI)

Query on MG



Download:Ideal Coordinates CCD File
DB [auth E]
EB [auth E]
JA [auth C]
KA [auth C]
P [auth A]
DB [auth E],
EB [auth E],
JA [auth C],
KA [auth C],
P [auth A],
XA [auth D]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
KPI
Query on KPI
A, B, C, D, E
A, B, C, D, E, F, G, H, I, J, K, L
L-PEPTIDE LINKINGC9 H16 N2 O4LYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free:  0.253 (Depositor), 0.253 (DCC) 
  • R-Value Work:  0.206 (Depositor), 0.207 (DCC) 
  • R-Value Observed: 0.208 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 82.88α = 90
b = 201.44β = 108.45
c = 113.66γ = 90
Software Package:
Software NamePurpose
XSCALEdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-3000data reduction
AMPLEphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)Canada--

Revision History  (Full details and data files)

  • Version 1.0: 2021-10-13
    Type: Initial release
  • Version 1.1: 2023-10-18
    Changes: Data collection, Refinement description
  • Version 1.2: 2023-11-29
    Changes: Data collection