6XCT | pdb_00006xct

Porcine pepsin in complex with amprenavir

PDB DOI: https://doi.org/10.2210/pdb6XCT/pdb

Classification: HYDROLASE/INHIBITOR
Organism(s): Sus scrofa
Mutation(s): No

Deposited: 2020-06-09 Released: 2021-06-16
Deposition Author(s): Vuksanovic, N., Silvaggi, N.R.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.99 Å
R-Value Free:
0.191 (Depositor), 0.193 (DCC)
R-Value Work:
0.163 (Depositor), 0.164 (DCC)
R-Value Observed:
0.164 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

This is version 1.3 of the entry. See complete history.

Literature

Porcine pepsin in complex with amprenavir

Vuksanovic, N., Silvaggi, N.R.

To be published.

Macromolecule Content

Total Structure Weight: 35.1 kDa
Atom Count: 2,778
Modeled Residue Count: 323
Deposited Residue Count: 326
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pepsin A	A	326	Sus scrofa	Mutation(s): 0 EC: 3.4.23.1
UniProt
Find proteins for P00791 (Sus scrofa) Explore P00791 Go to UniProtKB: P00791
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P00791
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
478 (Subject of Investigation/LOI) Query on 478 Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	{3-[(4-AMINO-BENZENESULFONYL)-ISOBUTYL-AMINO]-1-BENZYL-2-HYDROXY-PROPYL}-CARBAMIC ACID TETRAHYDRO-FURAN-3-YL ESTER C₂₅ H₃₅ N₃ O₆ S YMARZQAQMVYCKC-OEMFJLHTSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP Query on SEP	A	L-PEPTIDE LINKING	C₃ H₈ N O₆ P		SER

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.99 Å
R-Value Free: 0.191 (Depositor), 0.193 (DCC)
R-Value Work: 0.163 (Depositor), 0.164 (DCC)
R-Value Observed: 0.164 (Depositor)

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.13	α = 90
b = 66.13	β = 90
c = 288.082	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

Deposition Data

Released Date: 2021-06-16

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2021-06-16
Type: Initial release
Version 1.1: 2021-08-18
Changes: Data collection, Database references
Version 1.2: 2023-10-18
Changes: Data collection, Refinement description
Version 1.3: 2024-10-23
Changes: Structure summary

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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.