4e35

Crystal structure of CFTR Associated Ligand (CAL) PDZ domain bound to iCAL36-L (ANSRWPTSIL) peptide

Method: X-RAY DIFFRACTION D_max: 64.2 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Golgi-associated PDZ and coiled-coil motif-containing protein

Homo sapiens

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 284–370	Fragment：PDZ domain (UNP residues 284-370)	iCAL50 peptide × 1 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；30% w/v PEG8000, 0.15 M sodium chloride, 0.1 M Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.198
2	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain B； UniProt 284–370	Fragment：PDZ domain (UNP residues 284-370)	iCAL50 peptide × 1 GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；30% w/v PEG8000, 0.15 M sodium chloride, 0.1 M Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.198

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 4E35	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2DC2 Solution Structure of PDZ Domain Deposited 2005-12-20	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 278–373（96 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.1；303 K；Pressure 1 NMR sample composition 1.0mM 15N, 13C-labeled GOPC PDZ domain, 10mM phosphate buffer (pH 6.1), 4mM EDTA, 10% (v/v) D2O \| 90% H2O/10% D2O	Resolution not provided
2LOB PDZ Domain of CAL (Cystic Fibrosis Transmembrane Regulator-Associated Ligand) Deposited 2012-01-20	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 286–370（85 aa） Fragment：PDZ domain residues 286-370	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.8；310 K；Ionic strength (raw mmCIF value) 1.0；Pressure ambient NMR sample composition 1.0 mM [U-100% 13C; U-100% 15N] protein_1, 90% H2O/10% D2O \| 90% H2O/10% D2O	Resolution not provided
4E34 Crystal structure of CFTR Associated Ligand (CAL) PDZ domain bound to iCAL36 (ANSRWPTSII) peptide Deposited 2012-03-09	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain (UNP residues 284-370)	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；30% w/v PEG8000, 0.3 M potassium bromide, 0.1 M Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.197
4E34 Crystal structure of CFTR Associated Ligand (CAL) PDZ domain bound to iCAL36 (ANSRWPTSII) peptide Deposited 2012-03-09	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：PDZ domain (UNP residues 284-370)	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；30% w/v PEG8000, 0.3 M potassium bromide, 0.1 M Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.197
4JOE CFTR Associated Ligand (CAL) PDZ domain bound to peptide A-iCAL36 (ANSRAPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% (w/v) polyethylene glycol (PEG) 3350, 0.05 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.14 Å R-free 0.195
4JOE CFTR Associated Ligand (CAL) PDZ domain bound to peptide A-iCAL36 (ANSRAPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% (w/v) polyethylene glycol (PEG) 3350, 0.05 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.14 Å R-free 0.195
4JOF CFTR Associated Ligand (CAL) PDZ domain bound to peptide L-iCAL36 (ANSRLPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.95；291 K；36% (w/v) polyethylene glycol (PEG)8000, 0.2 M sodium chloride, 0.01 M tris(hydroxymethyl)aminomethane (Tris) hydrochloride (HCl), pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.20 Å R-free 0.201
4JOF CFTR Associated Ligand (CAL) PDZ domain bound to peptide L-iCAL36 (ANSRLPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.95；291 K；36% (w/v) polyethylene glycol (PEG)8000, 0.2 M sodium chloride, 0.01 M tris(hydroxymethyl)aminomethane (Tris) hydrochloride (HCl), pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.20 Å R-free 0.201
4JOG CFTR Associated Ligand (CAL) PDZ domain bound to peptide V-iCAL36 (ANSRVPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；40% (w/v) polyethylene glycol (PEG), 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.47 Å R-free 0.195
4JOG CFTR Associated Ligand (CAL) PDZ domain bound to peptide V-iCAL36 (ANSRVPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；40% (w/v) polyethylene glycol (PEG), 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.47 Å R-free 0.195
4JOH CFTR Associated Ligand (CAL) PDZ domain bound to peptide H-iCAL36 (ANSRHPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；35% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.47 Å R-free 0.204
4JOH CFTR Associated Ligand (CAL) PDZ domain bound to peptide H-iCAL36 (ANSRHPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；35% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.47 Å R-free 0.204
4JOJ CFTR Associated Ligand (CAL) domain bound to peptide F-iCAL36 (ANSRFPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.20 Å R-free 0.188
4JOJ CFTR Associated Ligand (CAL) domain bound to peptide F-iCAL36 (ANSRFPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.20 Å R-free 0.188
4JOK CFTR Associated Ligand (CAL) PDZ domain bound to peptide Y-iCAL36 (ANSRYPTSII) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG), 0.05 M sodium chloride, 0.1 M Tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.09 Å R-free 0.186
4JOK CFTR Associated Ligand (CAL) PDZ domain bound to peptide Y-iCAL36 (ANSRYPTSII) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG), 0.05 M sodium chloride, 0.1 M Tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.09 Å R-free 0.186
4JOP CFTR Associated Ligand (CAL) PDZ bound to HPV16 E6 oncoprotein C-terminal peptide (TRRETQL) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAl PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；32% (w/v) polyethylene glycol (PEG), 0.125 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.80 Å R-free 0.219
4JOP CFTR Associated Ligand (CAL) PDZ bound to HPV16 E6 oncoprotein C-terminal peptide (TRRETQL) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAl PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；32% (w/v) polyethylene glycol (PEG), 0.125 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.80 Å R-free 0.219
4JOR CFTR Associated Ligand (CAL) PDZ domain bound to HPV18 E6 oncoprotein C-terminal peptide (RLQRRRETQV) Deposited 2013-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；29% (w/v) polyethylene glycol (PEG), 0.075 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.34 Å R-free 0.181
4JOR CFTR Associated Ligand (CAL) PDZ domain bound to HPV18 E6 oncoprotein C-terminal peptide (RLQRRRETQV) Deposited 2013-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：CAL PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；29% (w/v) polyethylene glycol (PEG), 0.075 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.34 Å R-free 0.181
4K6Y CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-Q (ANSRWQTSII) Deposited 2013-04-16	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；35% (w/v) polyethylene glycol, 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.48 Å R-free 0.209
4K6Y CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-Q (ANSRWQTSII) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；35% (w/v) polyethylene glycol, 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.48 Å R-free 0.209
4K72 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-VQD (ANSRVQDSII) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；40% (w/v) polyethylene glycol (PEG) 1000, 0.1 M sodium thiosulfate pentahydrate, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.90 Å R-free 0.227
4K72 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-VQD (ANSRVQDSII) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；40% (w/v) polyethylene glycol (PEG) 1000, 0.1 M sodium thiosulfate pentahydrate, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.90 Å R-free 0.227
4K75 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-QDTRL (ANSRWQDTRL) Deposited 2013-04-16	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；40% (w/v) polyethylene glycol (PEG) 1000, 0.09 M sodium thiosulfate pentahydrate, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.50 Å R-free 0.221
4K76 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-TRL (ANSRWPTTRL) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.221
4K76 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-TRL (ANSRWPTTRL) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：PDZ domain	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.221
4K76 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-TRL (ANSRWPTTRL) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.221
4K76 CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36-TRL (ANSRWPTTRL) Deposited 2013-04-16	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 284–370（87 aa） Fragment：PDZ domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.75 Å R-free 0.221
4K78 CFTR Associated Ligand (CAL) E317A PDZ domain bound to peptide iCAL36-QDTRL (ANSRWQDTRL) Deposited 2013-04-16	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：PDZ domain	Mutation：E317A Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；40% (w/v) polyethylene glycol (PEG), 0.9 M sodium thiosulfate pentahydrate, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.80 Å R-free 0.221
4NMO CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-1)(ANSRWPTS[Ac-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；27% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.203
4NMO CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-1)(ANSRWPTS[Ac-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；27% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.203
4NMP CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-3) (ANSRWP[Ac-K]SII) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG) 3350, 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.30 Å R-free 0.200
4NMP CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-3) (ANSRWP[Ac-K]SII) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；34% (w/v) polyethylene glycol (PEG) 3350, 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.30 Å R-free 0.200
4NMQ CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-4) (ANSRW[Ac-K]TSII) Deposited 2013-11-15	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；40% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.199
4NMQ CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-4) (ANSRW[Ac-K]TSII) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；40% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.199
4NMR CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-5) (ANSR[Ac-K]PTSII) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；31% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris) pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 100.0K	Resolution 1.55 Å R-free 0.219
4NMR CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(Ac-K-5) (ANSR[Ac-K]PTSII) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；31% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris) pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 100.0K	Resolution 1.55 Å R-free 0.219
4NMS CFTR Associated Ligand (CAL)PDZ domain bound to peptide iCAL36(FLB-K-1) (ANSRWPTS[4-fluorobenzoic-acyl-K]I) Deposited 2013-11-15	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；33% (w/v) polyethylene glycol, 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.70 Å R-free 0.207
4NMS CFTR Associated Ligand (CAL)PDZ domain bound to peptide iCAL36(FLB-K-1) (ANSRWPTS[4-fluorobenzoic-acyl-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；33% (w/v) polyethylene glycol, 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.70 Å R-free 0.207
4NMT CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(TFA-K-1) (ANSRWPTS[Tfa-acyl-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；33% (w/v) polyethylene glycol (PEG), 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.198
4NMT CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(TFA-K-1) (ANSRWPTS[Tfa-acyl-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；33% (w/v) polyethylene glycol (PEG), 0.2 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.198
4NMV CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(BRB-K-1) (ANSRWPTS[4-bromobenzoic-acyl-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% (w/v) polyethylene glycol (PEG), 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.202
4NMV CFTR Associated Ligand (CAL) PDZ domain bound to peptide iCAL36(BRB-K-1) (ANSRWPTS[4-bromobenzoic-acyl-K]I) Deposited 2013-11-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP RESIDUES 284-370	Not recorded	GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% (w/v) polyethylene glycol (PEG), 0.1 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.40 Å R-free 0.202
4Q6H CFTR Associated Ligand (CAL) bound to last 6 residues of CFTR (decameric peptide: iCAL36VQDTRL) Deposited 2014-04-22	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	SO3 SULFITE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；37% (w/v) polyethylene glycol (PEG) 1000, 0.07 M sodium thiosulfate pentahydrate, 0.1 M Tris pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.90 Å R-free 0.222
4Q6S CFTR Associated Ligand (CAL) PDZ bound to biotinylated peptide BT-L-iCAL36 Deposited 2014-04-23	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：unp residues 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.95；291 K；16% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.01 M Tris HCl pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.45 Å R-free 0.195
4Q6S CFTR Associated Ligand (CAL) PDZ bound to biotinylated peptide BT-L-iCAL36 Deposited 2014-04-23	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：unp residues 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.95；291 K；16% (w/v) polyethylene glycol (PEG), 0.15 M sodium chloride, 0.01 M Tris HCl pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 1.45 Å R-free 0.195
5IC3 CAL PDZ domain with peptide and inhibitor Deposited 2016-02-22	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP residues 284-370	Not recorded	PQR 4-[methyl(nitroso)amino]benzene-1,2-diol × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；35% PEG3350, 100mM NaCl, 100mM Tris pH7.4	Resolution 1.70 Å R-free 0.226
5IC3 CAL PDZ domain with peptide and inhibitor Deposited 2016-02-22	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP residues 284-370	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；35% PEG3350, 100mM NaCl, 100mM Tris pH7.4	Resolution 1.70 Å R-free 0.226
5K4F CAL PDZ mutant C319A with a peptide Deposited 2016-05-20	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa） Fragment：UNP residues 284-370	Mutation：C319A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% PEG3350, 125mM NaCl, 0.1M Tris7.5	Resolution 1.36 Å R-free 0.183
5K4F CAL PDZ mutant C319A with a peptide Deposited 2016-05-20	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa） Fragment：UNP residues 284-370	Mutation：C319A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；31% PEG3350, 125mM NaCl, 0.1M Tris7.5	Resolution 1.36 Å R-free 0.183
6OV7 CFTR Associated Ligand (CAL) PDZ domain bound to peptide kCAL01 Deposited 2019-05-07	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；6 mg/mL CAL PDZ, 1 mM kCAL01 peptide, 25% (w/v) PEG 8000, 5% PEG 400, 150 mM NaCl, and 100 mM Tris pH 8.5	Resolution 1.71 Å R-free 0.214
6OV7 CFTR Associated Ligand (CAL) PDZ domain bound to peptide kCAL01 Deposited 2019-05-07	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；6 mg/mL CAL PDZ, 1 mM kCAL01 peptide, 25% (w/v) PEG 8000, 5% PEG 400, 150 mM NaCl, and 100 mM Tris pH 8.5	Resolution 1.71 Å R-free 0.214
6V84 CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALAc Deposited 2019-12-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；5.5 mg/mL CAL PDZ, 1 mM LyCALAc peptide, 35% (w/v) PEG 8000, 150 mM NaCl, 100 mM Tris pH 7.5	Resolution 1.64 Å R-free 0.213
6V84 CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALAc Deposited 2019-12-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa）	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；5.5 mg/mL CAL PDZ, 1 mM LyCALAc peptide, 35% (w/v) PEG 8000, 150 mM NaCl, 100 mM Tris pH 7.5	Resolution 1.64 Å R-free 0.213
6XNJ Crystal structure of the PDZ domain of human GOPC in complex with a peptide of E. coli O157:H7 str. Sakai effector NleG8 Deposited 2020-07-03	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 272–362（91 aa）	Not recorded	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；1.5 M ammonium sulfate, 15% sucrose, 0.1 M Hepes pH 7.5, 2 mM peptide	Resolution 1.85 Å R-free 0.195
7JZO CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALTPP Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	GOL GLYCEROL × 2 QTU 3-(thiophen-2-yl)propanoic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；5.36 mg/mL CAL PDZ, 1 mM LyCALTPP, 31% (w/v) PEG 8000, 150 mM NaCl, 100 mM Tris pH 7.4	Resolution 1.61 Å R-free 0.205
7JZO CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALTPP Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa）	Not recorded	QTU 3-(thiophen-2-yl)propanoic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；5.36 mg/mL CAL PDZ, 1 mM LyCALTPP, 31% (w/v) PEG 8000, 150 mM NaCl, 100 mM Tris pH 7.4	Resolution 1.61 Å R-free 0.205
7JZP CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALBF Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	BZ2 1-benzofuran-2-carboxylic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；5.36 mg/mL CAL PDZ, 1 mM LyCALBF, 31% (w/v) PEG 8000, 200 mM NaCl, 100 mM Tris pH 7.4	Resolution 1.95 Å R-free 0.217
7JZP CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALBF Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa）	Not recorded	BZ2 1-benzofuran-2-carboxylic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；5.36 mg/mL CAL PDZ, 1 mM LyCALBF, 31% (w/v) PEG 8000, 200 mM NaCl, 100 mM Tris pH 7.4	Resolution 1.95 Å R-free 0.217
7JZQ CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALPMB Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	VU1 4-[(piperidin-1-yl)methyl]benzoic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；291 K；5.36 mg/mL CAL PDZ, 1 mM LyCALTPP, 31% (w/v) PEG 8000, 150 mM NaCl, 100 mM Tris pH 7.4	Resolution 1.35 Å R-free 0.185
7JZR CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALAEB Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 284–370（87 aa）	Not recorded	VU4 4-(2-aminoethyl)benzoic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；5.5 mg/mL CAL PDZ, 1 mM LyCALAEB, 30% (w/v) PEG 8000, 100 mM NaCl, 100 mM Tris pH 8.5	Resolution 1.54 Å R-free 0.208
7JZR CFTR Associated Ligand (CAL) PDZ domain bound to peptidomimetic LyCALAEB Deposited 2020-09-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 284–370（87 aa）	Not recorded	VU4 4-(2-aminoethyl)benzoic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；5.5 mg/mL CAL PDZ, 1 mM LyCALAEB, 30% (w/v) PEG 8000, 100 mM NaCl, 100 mM Tris pH 8.5	Resolution 1.54 Å R-free 0.208

34 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	GOPC_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–87； UniProt 284–370 Author chain B； PDBConstruct 1–87； UniProt 284–370

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	4e35
Deposition date deposition_date	2012-03-09
Structure title title	Crystal structure of CFTR Associated Ligand (CAL) PDZ domain bound to iCAL36-L (ANSRWPTSIL) peptide
Keywords keywords	PDZ-peptide complex, PROTEIN TRANSPORT-PROTEIN BINDING complex; PROTEIN TRANSPORT/PROTEIN BINDING
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	18.40 Å
Radius of gyration Rg (electron density) rg_electron	17.36 Å
Forward intensity I(0) i0	8158070.00
Molecular weight molecular_weight	21152.0 kDa
Excluded volume excluded_volume	26643 Å³
Envelope volume envelope_volume	30826 Å³
Hydration-shell volume shell_volume	15345 Å³
Envelope diameter envelope_diameter	59.9 Å
Shell Rg shell_rg	22.80 Å
Envelope Rg envelope_rg	17.54 Å
Shape Rg shape_rg	17.37 Å
Total Rg total_rg	18.22 Å
Total atoms total_atoms	1489
Residues n_residues	191
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	64.2 Å
Rg (real space) rg_real	18.37 Å
Rg uncertainty (real space) rg_real_error	0.43 Å
I(0) (real space) i0_real	8.1580e+06
I(0) uncertainty (real space) i0_real_error	9.2210e+04
Rg (reciprocal space) rg_reciprocal	18.37 Å
I(0) (reciprocal space) i0_reciprocal	8158000.0000
Solution quality estimate total_estimate	0.8639
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	21.1 Å
Skewness Skewness skewness	0.282
Kurtosis Kurtosis kurtosis	-0.402
Angular range angular_range	— – 0.4300 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	1509000.0000
Real-space data points n_real_points	74
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.749; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.999

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Golgi-associated PDZ and coiled-coil motif-containing protein
Molecular weight formula_weight	9353.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1682

GPIRKVLLLKEDHEGLGISITGGKEHGVPILISEIHPGQPADRCGGLHVGDAILAVNGVNLRDTKHKEAVTILSQQRGEIEFEVVYV

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	iCAL50 peptide
Molecular weight formula_weight	1145.3 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D

ANSRWPTSIL

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	184

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7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d4e35a_
Class class	b — All beta proteins
Fold Fold fold	b.36 — PDZ domain-like
Superfamily Superfamily superfamily	b.36.1 — PDZ domain-like
Family Family family	b.36.1.0 — automated matches

Domain ID domain_id	d4e35b_
Class class	b — All beta proteins
Fold Fold fold	b.36 — PDZ domain-like
Superfamily Superfamily superfamily	b.36.1 — PDZ domain-like
Family Family family	b.36.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	4e35A00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

Domain ID domain_id	4e35B00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

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8. Citations (1)

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Unit-cell length a length_a	36.083 Å
Unit-cell length b length_b	47.603 Å
Unit-cell length c length_c	97.838 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.400 Å
Low-resolution limit resolution_low	19.471 Å
R factor r_factor	0.1849
R_work r_work	0.1842
R_free r_free	0.1982

fit	/app/data/saxs_computation/e3/4e35/4e35.fit
pddf	/app/data/pr_computation/e3/4e35/4e35.pr.out
profile	/app/data/saxs_computation/e3/4e35/4e35.dat

Crystal structure of CFTR Associated Ligand (CAL) PDZ domain bound to iCAL36-L (ANSRWPTSIL) peptide

1. Protein Identity and Related Structures Protein Identity & Related Structures

Golgi-associated PDZ and coiled-coil motif-containing protein

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)