Macromolecule Content

Total Structure Weight: 10.17 kDa
Atom Count: 782
Modelled Residue Count: 93
Deposited Residue Count: 93
Unique protein chains: 2

4Q6H

CFTR Associated Ligand (CAL) bound to last 6 residues of CFTR (decameric peptide: iCAL36VQDTRL)

DOI: 10.2210/pdb4Q6H/pdb

Classification: TRANSPORT PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2014-04-22 Released: 2014-05-14
Deposition Author(s): Amacher, J.F., Madden, D.R.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.90 Å
R-Value Free: 0.222
R-Value Work: 0.198
R-Value Observed: 0.200

wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

Understanding PDZ Affinity and Selectivity: All Residues Considered

Amacher, J.F.

To be published.

Macromolecules

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(by identity cutoff) | Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CFTR-associated ligand	A	87	Homo sapiens	Mutation(s): 0 Gene Names: GOPC, CAL, FIG
Find proteins for Q9HD26 (Homo sapiens) Explore Q9HD26 Go to UniProtKB: Q9HD26
NIH Common Fund Data Resources
PHAROS: Q9HD26 GTEx: ENSG00000047932
Protein Feature View Expand
Reference Sequence

Find similar proteins by: Sequence | Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
iCAL36-VQDTRL peptide	B	6	N/A	Mutation(s): 0
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO3 Query on SO3 Download Ideal Coordinates CCD File SDF format, chain C [A] MOL2 format, chain C [A]	A	SULFITE ION O₃ S LSNNMFCWUKXFEE-UHFFFAOYSA-L		Ligand Interaction

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.90 Å
R-Value Free: 0.222
R-Value Work: 0.198
R-Value Observed: 0.200
Space Group: P 6₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.394	α = 90
b = 61.394	β = 90
c = 97.786	γ = 120

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Deposited Date: 2014-04-22
Released Date: 2014-05-14

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2014-05-14
Type: Initial release
Version 1.1: 2017-11-22
Changes: Refinement description

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.