9F1X | pdb_00009f1x

SSX room temperature structure of Oscillatoria acuminata adenylyate cyclase.

• PDB DOI: https://doi.org/10.2210/pdb9F1X/pdb

• Classification: LYASE
• Organism(s): Oxynema acuminatum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-04-20 Released: 2025-02-26 
• Deposition Author(s): Kapetanaki, S., Coquelle, N., Weik, M.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.212 (Depositor), 0.211 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.182 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Starting Model: experimental

Literature

SSX room temperature structure of Oscillatoria acuminata adenylyate cyclase.

Kapetanaki, S., Coquelle, N., Weik, M.

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.

Macromolecule Content 

• Total Structure Weight: 44.71 kDa 
• Atom Count: 2,954 
• Modeled Residue Count: 346 
• Deposited Residue Count: 394 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Family 3 adenylate cyclase	A	394	Oxynema acuminatum	Mutation(s): 0  Gene Names: Oscil6304_3613
UniProt
Find proteins for K9TLZ5 (Oscillatoria acuminata PCC 6304) Explore K9TLZ5  Go to UniProtKB:  K9TLZ5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN	B [auth A]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N
CA	C [auth A], D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.212 (Depositor), 0.211 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.182 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 101.51	α = 90
b = 53.93	β = 90
c = 72.05	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
CrystFEL	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-02-26 
Deposition Author(s): Kapetanaki, S., Coquelle, N., Weik, M.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-02-26
  Type: Initial release