Proteins are natural biopolymers (1985)

Schedule of the 16th Conference of the Federation of European Biochemical Societies (FEBO), a man walks past the stand.

Fragment of an interview with A.S. Spirin.

On the tables of the conference participants are bottles of water, brochures, and flags.

Scientists communicate during breaks between sessions.

A scientist at the podium.

People at the exhibition.

Laboratory equipment, conducting experiments.

Photographs on stands (view through glass).

Drawing.

Flasks and retorts against the background of drawings and photographs.

Portraits of scientists.

The French scientist J. Etel tells the story.

Alternation: scientists at the forum, demonstration of experiments.

Protein Institute of the Russian Academy of Sciences.

A laboratory assistant conducts an experiment (shot from the street through a window).

A scientist walks along the corridor and invites journalists into the laboratory.

Entrance to the protein biosynthesis laboratory.

A scientist enters the office, a laboratory assistant is working at the table.

A man reads documents.

Experiments on protein extraction.

Cutting biological material.

Grinding.

Pouring a protein solution.

Precipitation of proteins in a solution using ammonium sulfate.

Dry sediment at the bottom of the flask.

Stages of isolating pure protein using the biuret reaction.

High-speed centrifugation method.

Proteins are poured into a test tube.

The test tube is placed in a rotor.

The rotor is inserted into the centrifuge.

The rotor rotates.

Separated proteins in a test tube.

Extracting proteins.

A scientist among devices.

Demonstration of the chromatography method.

Obtaining dry protein using the lyophilization method (lyophilic drying).

View of the street from the lobby of the institute.

People are walking along the corridors (shadows on the doors of the structural analysis laboratory).

The door opens. V.V. Filimonov is working in the laboratory.

A scientist enters the laboratory studying the chemical structure of proteins.

A group of scientists is constructing a diagram of the primary structure of a protein on the board.

The scientists are discussing their work.

A man is breaking a chicken egg.

Cartoon: formulas flow out of the crack in the egg along with the protein.

Cartoon: amino acid formulas, formation of peptide bonds.

A scientist is constructing a diagram of the primary structure of a protein.

Experiments on protein hydrolysis.

Determination of the amount of acids in the hydrolysate using an automatic amino acid analyzer.

Analysis results on a computer.

Determination of the order of amino acid connections (obtaining the primary structure of the protein).

Cleavage of amino acids.

Determination of amino acid types using a chromatograph.

Printouts with research results.

Cartoon: polypeptide chain of amino acids, alpha helix, formation of secondary bonds, formation of the tertiary structure of a protein.

Conference participants are discussing the structure of a protein using a model as an example.

Fragment of an interview with B.K. Weinstein.

X-ray structural studies of protein crystals.

Data on a computer screen.

Cartoon: formation of a three-dimensional protein structure based on mathematical calculations.

Scientists build a molecular model.

An excerpt from an interview with A.S. Spirin.

Cartoon: three-dimensional structure of a protein.

A man breaks a chicken egg.

Denaturation of proteins in a hydrochloric acid solution (images of the painting by S. Dali "The Geopolitical Infant" with a change in the color spectrum have been added to the recording of the experiments).

Cartoon: the three-dimensional structure of a protein blurs and melts.

A broken eggshell lies on the grid, a chicken walks nearby. V.V. Filimonov narrates.

Microorganisms under a microscope.

Cartoon: protein compounds are stained in different colors.

Paramecium scaly-legged under a microscope.

Alternation: proteins in different colors of the spectrum (cartoon), a hairy caterpillar on a branch, a sea turtle, baby crocodiles, an elephant crossing a clearing.

Microorganisms under a microscope.

Grass sprouts.

Foliage blossoms.

Chamomile flowers bloom.

Poppy buds open.

Cartoon: the structure of the ribosome.

A fragment of an interview with A.S. Spirin.

People are talking in the corridor.

Scientists are working in the laboratory.

Painting by S. Dali "Geopolitical Baby".

The face of a scientist.