2HA8

Methyltransferase Domain of Human TAR (HIV-1) RNA binding protein 1

• PDB DOI: https://doi.org/10.2210/pdb2HA8/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-06-12 Released: 2006-07-11 
• Deposition Author(s): Min, J., Wu, H., Zeng, H., Loppnau, P., Battaile, K., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.209 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 

Literature

The Crystal Structure of Methyltransferase Domain of Human TAR (HIV-1) RNA binding protein 1 in complex with S-adenosyl-L-homocystein.

Wu, H., Min, J., Zeng, H., Loppnau, P., Battaile, K., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.66 kDa 
• Atom Count: 2,822 
• Modelled Residue Count: 313 
• Deposited Residue Count: 368 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TAR (HIV-1) RNA loop binding protein	A, B	184	Homo sapiens	Mutation(s): 0  Gene Names: TRP-185 EC: 2.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q13395 (Homo sapiens) Explore Q13395  Go to UniProtKB:  Q13395
PHAROS:  Q13395 GTEx:  ENSG00000059588

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	C [auth A], D [auth B]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.209 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.237	α = 90
b = 86.93	β = 100.85
c = 48.266	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-07-11 
Deposition Author(s): Min, J., Wu, H., Zeng, H., Loppnau, P., Battaile, K., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2006-07-11
  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: 2024-02-14
  Changes: Data collection, Database references, Derived calculations