3FIA

Crystal structure of the EH 1 domain from human intersectin-1 protein. Northeast Structural Genomics Consortium target HR3646e.

• PDB DOI: https://doi.org/10.2210/pdb3FIA/pdb

• Classification: PROTEIN BINDING
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2008-12-11 Released: 2008-12-30 
• Deposition Author(s): Vorobiev, S.M., Chen, Y., Seetharaman, J., Devices, C., Zhao, L., Foote, E.L., Ciccosanti, C., Mao, L., Xiao, R., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.176 
• R-Value Work: 0.160 
• R-Value Observed: 0.160 

Literature

Crystal structure of the EH 1 domain from human intersectin-1 protein.

Vorobiev, S.M., Chen, Y., Seetharaman, J., Devices, C., Zhao, L., Foote, E.L., Ciccosanti, C., Mao, L., Xiao, R., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: assay for oligomerization

Macromolecule Content

• Total Structure Weight: 13.95 kDa 
• Atom Count: 917 
• Modelled Residue Count: 98 
• Deposited Residue Count: 121 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Intersectin-1	A	121	Homo sapiens	Mutation(s): 2  Gene Names: ITSN, ITSN1, SH3D1A
UniProt & NIH Common Fund Data Resources
Find proteins for Q15811 (Homo sapiens) Explore Q15811  Go to UniProtKB:  Q15811
PHAROS:  Q15811 GTEx:  ENSG00000205726

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CA	B [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.176 
• R-Value Work: 0.160 
• R-Value Observed: 0.160 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.848	α = 90
b = 32.021	β = 106.45
c = 33.287	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
SnB	phasing
RESOLVE	model building
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-30 
Deposition Author(s): Vorobiev, S.M., Chen, Y., Seetharaman, J., Devices, C., Zhao, L., Foote, E.L., Ciccosanti, C., Mao, L., Xiao, R., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2008-12-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.4: 2024-10-30
  Changes: Data collection, Structure summary