2QNR | pdb_00002qnr

Human septin 2 in complex with GDP

• PDB DOI: https://doi.org/10.2210/pdb2QNR/pdb

• Classification: CELL CYCLE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-07-19 Released: 2007-07-31 
• Deposition Author(s): Rabeh, W.M., Nedyalkova, L., Tempel, W., Landry, R., Crombet, L., Kozieradzki, I., Senisterra, G., Vedadi, M., Arrowsmith, C.H., Edwards, A.M., Sundstrom, M., Weigelt, J., Bochkarev, A., Park, H., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.293 (Depositor), 0.295 (DCC) 
• R-Value Work: 
  0.234 (Depositor), 0.255 (DCC) 

Literature

Human septin 2 in complex with GDP.

Rabeh, W.M., Nedyalkova, L., Tempel, W., Landry, R., Crombet, L., Kozieradzki, I., Senisterra, G., Vedadi, M., Arrowsmith, C.H., Edwards, A.M., Sundstrom, M., Weigelt, J., Bochkarev, A., Park, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 70.91 kDa 
• Atom Count: 3,575 
• Modeled Residue Count: 454 
• Deposited Residue Count: 602 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Septin-2	A, B	301	Homo sapiens	Mutation(s): 1  Gene Names: SEPT2, DIFF6, KIAA0158, NEDD5
UniProt & NIH Common Fund Data Resources
Find proteins for Q15019 (Homo sapiens) Explore Q15019  Go to UniProtKB:  Q15019
PHAROS:  Q15019 GTEx:  ENSG00000168385

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP	C [auth A], F [auth B]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
UNX	D [auth A], E [auth A], G [auth B], H [auth B]	UNKNOWN ATOM OR ION X

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.293 (Depositor), 0.295 (DCC) 
• R-Value Work:  0.234 (Depositor), 0.255 (DCC) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 164.536	α = 90
b = 52.295	β = 132.48
c = 110.944	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-07-31 
Deposition Author(s): Rabeh, W.M., Nedyalkova, L., Tempel, W., Landry, R., Crombet, L., Kozieradzki, I., Senisterra, G., Vedadi, M., Arrowsmith, C.H., Edwards, A.M., Sundstrom, M., Weigelt, J., Bochkarev, A., Park, H., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2007-07-31
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary