4Q6H | pdb_00004q6h

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

PDB DOI: https://doi.org/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 (Depositor), 0.212 (DCC)
R-Value Work:
0.198 (Depositor), 0.197 (DCC)
R-Value Observed:
0.200 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 4Q6H

This is version 1.2 of the entry. See complete history.

Literature

Understanding PDZ Affinity and Selectivity: All Residues Considered

Amacher, J.F.

To be published.

Macromolecule Content

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

Macromolecules

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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
UniProt & NIH Common Fund Data Resources
Find proteins for Q9HD26 (Homo sapiens) Explore Q9HD26 Go to UniProtKB: Q9HD26
PHAROS: Q9HD26 GTEx: ENSG00000047932
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9HD26
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

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

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 [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	SULFITE ION O₃ S LSNNMFCWUKXFEE-UHFFFAOYSA-L		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.90 Å
R-Value Free: 0.222 (Depositor), 0.212 (DCC)
R-Value Work: 0.198 (Depositor), 0.197 (DCC)
R-Value Observed: 0.200 (Depositor)

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

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Entry History

Deposition Data

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
Version 1.2: 2023-09-20
Changes: Data collection, Database references, Derived calculations, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.