'Globular proteins' diaporamas de présentation

Digestive System

1.08k views • 53 slides

Digestive System

957 views • 53 slides

Chapter 4

610 views • 44 slides

Biochemistry 412 Protein-Protein Interactions February 22, 2005

543 views • 42 slides

[I] MCB 3201 Gene Expression

487 views • 36 slides

?-sheet

?-sheet. 2 peptide backbones Very open configuration "Pleated" Parallel and antiparallel. Tertiary Structure. Thermodynamically most stable form Held together by Hydrophobic interactions Electrostatic interactions -S-S- bonds Can include non-protein groups

435 views • 31 slides

Structure of Proteins

Structure of Proteins. 3D structure determined by amino acid sequence Structure - Function Native structure of a protein = functionally, folded conformation Protein conformation stabilized by 1. disulfide bonds 2. weak noncovalent interactions ( H-bonds, hydrophobic & ionic ).

522 views • 24 slides

Text, Figure 6-14

326 views • 23 slides

PROTEIN STRUCTURES

PROTEIN STRUCTURES. To see some of these images in 3D you will need a Blue or Cyan filter on your left eye and a Red or Magenta filter on your right eye. (Experiment with the filters for best effect). Left Right. Proteins are formed from Amino Acids joined in a chain.

376 views • 22 slides

PROTEIN PHYSICS LECTURES 11-12

PROTEIN PHYSICS LECTURES 11-12. - Fibrous proteins and their functions - Membrane proteins and their functions. Globular proteins. Membrane proteins. Fibrous proteins. H-bonds (NH:::OC) & hydrophobic forces. Fibrous proteins : regular building blocks. b a collagen.

339 views • 21 slides

Fibrous Proteins

731 views • 20 slides

Globular Proteins Hemoglobin & Myoglobin

Globular Proteins Hemoglobin & Myoglobin. Myoglobin - monomer. Single peptide chain and one heme unit The heme unit contains an Fe atom (prosthetic group) Hemoglobin - tetramer. Four peptide chains and four heme units. Protein Reactions.

806 views • 20 slides

Predicting Signal Peptides using Deep Neural Networks

299 views • 14 slides

Lecture Eleven : Amino Acids, Peptides and Proteins

Biological Chemistry. First Year Organic Chemistry. Lecture Eleven : Amino Acids, Peptides and Proteins. Convener : Dr. Fawaz Aldabbagh. Amino Acids. All DNA encoded aa are ?. All are chiral, except Glycine R = H. All DNA encoded aa are usually L-.

317 views • 14 slides

Section in review

Section in review. Polar vs Non Polar. Hydrophillic. Hydrophobic. Binding specificity. - Shape is important - Charge is important. Water. Hydrogen Bonding. Water molecules bond together in this fashion, explains the concept of water cohesion / surface tension. BIOMACROMOLECULES.

222 views • 13 slides

Proteins

Fibrous. Proteins. 1 o structure. amino acid sequence. ?- helix ?-sheet. H - bonding between C = O and N - H of backbone. 2 o structure. ? +. ? -. some proteins only have 1 o and 2 o structure:. fibroin (silk). ?-sheet. insoluble in H 2 O. hair skin.

215 views • 12 slides

Proteins

Fibrous. Proteins. 1 o structure. amino acid sequence. ?- helix ?-sheet. H - bonding between C = O and N - H of backbone. 2 o structure. ? +. ? -. some proteins only have 1 o and 2 o structure:. fibroin (silk). ?-sheet. insoluble in H 2 O. hair skin.

342 views • 12 slides

Chemistry of Life Topic 3.6 - Enzymes

Chemistry of Life Topic 3.6 - Enzymes. Enzymes Globular proteins Catalysts which speed up chemical reactions Unchanged by reaction, therefore are reusable Specific to their substrate Affected by pH and Temp. Substrate The substance on which an enzyme works Active site

284 views • 11 slides

Enzymes

Enzymes. Enzymes Enzymes are globular proteins. Triose phosphate isomerase. Catalase. Enzymes Enzymes are globular proteins Enzymes are biological catalysts. Enzymes find another pathway. Enzymes Enzymes are globular proteins Enzymes are biological catalysts

376 views • 9 slides

Carbon dioxide and Oxygen transport

Carbon dioxide and Oxygen transport. Oxygen Transport. Oxygen is transported in the blood by hemoglobin in the red blood cells (RBC) Hb + O 2 --> HbO 2 (oxyhemoglobin) Recall: hemoglobin is a tertiary protein (4 globular proteins) bound to heme (iron pigment).

2.42k views • 9 slides