5TT4 | pdb_00005tt4

Determining the Molecular Basis For Starter Unit Selection During Daunorubicin Biosynthesis

• PDB DOI: https://doi.org/10.2210/pdb5TT4/pdb

• Classification: TRANSFERASE
• Organism(s): Streptomyces peucetius
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-11-01 Released: 2016-11-23 
• Deposition Author(s): Jackson, D.R., Valentic, T.R., Patel, A., Tsai, S.C., Mohammed, L., Vasilakis, K., Wattana-amorn, P., Long, P.F., Crump, M.P., Crosby, J.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.209 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.162 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.165 (Depositor) 

Starting Model: experimental

Literature

Determining the Molecular Basis For Starter Unit Selection During Daunorubicin Biosynthesis

Jackson, D.R., Valentic, T.R., Patel, A., Tsai, S.C., Mohammed, L., Vasilakis, K., Wattana-amorn, P., Long, P.F., Crump, M.P., Crosby, J.

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: 78.86 kDa 
• Atom Count: 5,231 
• Modeled Residue Count: 680 
• Deposited Residue Count: 746 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Daunorubicin-doxorubicin polyketide synthase	A, B	373	Streptomyces peucetius	Mutation(s): 0  Gene Names: dpsC EC: 2.3.1
UniProt
Find proteins for Q54816 (Streptomyces peucetius) Explore Q54816  Go to UniProtKB:  Q54816

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.209 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.162 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.165 (Depositor) 

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.033	α = 90
b = 90.033	β = 90
c = 304.689	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data scaling
PHASER	phasing
PHENIX	refinement
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-11-23 
Deposition Author(s): Jackson, D.R., Valentic, T.R., Patel, A., Tsai, S.C., Mohammed, L., Vasilakis, K., Wattana-amorn, P., Long, P.F., Crump, M.P., Crosby, J.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM076330

Revision History  

• Version 1.0: 2016-11-23
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Author supporting evidence, Refinement description
• Version 1.2: 2017-11-22
  Changes: Refinement description
• Version 1.3: 2020-01-01
  Changes: Author supporting evidence
• Version 1.4: 2023-10-04
  Changes: Data collection, Database references, Refinement description