2HHF

X-ray crystal structure of oxidized human mitochondrial branched chain aminotransferase (hBCATm)

Structural Biology Knowledgebase: 2HHF SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.252

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2HHF

Classification: TRANSFERASE

Total Structure Weight: 83599.39

Macromolecule Entities
Molecule Chains Length Organism Details
Branched-chain-amino-acid aminotransferase, mitochondrial A 365 Homo sapiens EC#: 2.6.1.42 IUBMB
Mutation: C108X, Y141X, T159R
Details: In this entity, residue 141 in chain A is a modified Tyrosine, TYO. The authors state that Tyrosine 141 has undergone radiation damage in the presence of the oxidizing agent hydrogen peroxide to form TYO.
Gene Name(s): BCAT2 Gene View BCATM BCT2 ECA40
Branched-chain-amino-acid aminotransferase, mitochondrial B 365 Homo sapiens EC#: 2.6.1.42 IUBMB
Mutation: C608X, T659R
Details: In this entity, residue 641 is TYR. The authors state that the tyrosine of the second monomer (Chain B) is not modified.
Gene Name(s): BCAT2 Gene View BCATM BCT2 ECA40

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PLP
Query on PLP

A, B PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EPE
Query on EPE

B 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
HEPES (Synonym)
C8 H18 N2 O4 S
JKMHFZQWWAIEOD-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
OCS
Query on OCS
A, B L-PEPTIDE LINKING C3 H7 N O5 S CYS
TYO
Query on TYO
A L-PEPTIDE LINKING C9 H13 N O5 TYR

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.252
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 58.12 α = 90.00
b = 104.18 β = 100.72
c = 58.26 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-06-28
  • Released Date: 2006-10-24
  • Deposition author(s): Yennawar, N.H., Hutson, S.M.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4