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*  Peptide PHI
... (or peptide histidine isoleucine) is a peptide which functions as a hormone. It plays a role in the regulation of ... Peptide PHI at the US National Library of Medicine Medical Subject Headings (MeSH). ... "The relative importance of vasoactive intestinal peptide and peptide histidine isoleucine as physiological regulators of ...
*  List of MeSH codes (D12.644)
... peptide phi MeSH D12.644.548.595 --- peptide yy MeSH D12.644.548.600 --- pituitary hormone release inhibiting hormones MeSH ... peptide phi MeSH D12.644.400.625 --- pituitary adenylate cyclase-activating polypeptide MeSH D12.644.400.640 --- pituitary ... galanin-like peptide MeSH D12.644.400.300 --- gastric inhibitory polypeptide MeSH D12.644.400.315 --- gastrin-releasing peptide ... c-peptide MeSH D12.644.548.400 --- leptin MeSH D12.644.548.500 --- motilin MeSH D12.644.548.560 --- msh release-inhibiting ...
*  List of MeSH codes (D06)
... peptide phi MeSH D06.472.699.595 --- peptide yy MeSH D06.472.699.600 --- pituitary hormone release inhibiting hormones MeSH ... glucagon-like peptide 1 MeSH D06.472.317.525 --- motilin MeSH D06.472.317.662 --- peptide yy MeSH D06.472.317.800 --- secretin ... natriuretic peptide, brain MeSH D06.472.699.584.750 --- natriuretic peptide, c-type MeSH D06.472.699.587 --- pancreatic ... c-peptide MeSH D06.472.699.400 --- leptin MeSH D06.472.699.500 --- motilin MeSH D06.472.699.560 --- msh release-inhibiting ...
*  Peptide
Vasoactive Intestinal Peptide; PHM27) PACAP Pituitary Adenylate Cyclase Activating Peptide Peptide PHI 27 (Peptide Histidine ... Argireline Beefy meaty peptide Bis-peptide CLE peptide Epidermal growth factor Journal of Peptide Science Lactotripeptides ... All peptides except cyclic peptides have an N-terminal and C-terminal residue at the end of the peptide (as shown for the ... A peptide hormone is a peptide that acts as a hormone. A proteose is a mixture of peptides produced by the hydrolysis of ...
*  Vasoactive intestinal peptide receptor
... peptide histidine isoleucineamide (PHI), peptide histidine methionineamide (PHM) and peptide histidine valine (PHV). "PACAP ... Vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase-activating peptide (PACAP) receptors are activated by the ... Receptors, Vasoactive Intestinal Peptide at the US National Library of Medicine Medical Subject Headings (MeSH). ... There are two known receptors for the vasoactive intestinal peptide (VIP) termed VPAC1 and VPAC2. These receptors bind both VIP ...
*  Levinthal's paradox
... a polypeptide of 100 residues will have 99 peptide bonds, and therefore 198 different phi and psi bond angles. If each of these ... is sped up and guided by the rapid formation of local interactions which then determine the further folding of the peptide; ...
*  Phi (disambiguation)
Peptide PHI (Peptide histidine isoleucine) 6-phospho-3-hexuloisomerase, an enzyme Phenyl group (Φ), a functional group in ... Phi (uppercase Φ, lowercase φ, or math symbol ϕ) is the 21st letter of the Greek alphabet. Phi or PHI may also refer to: Golden ... Sailor Phi, a villain in the Sailor Moon manga Phi, a character in the visual novel Zero Escape: Virtue's Last Reward Phi: A ... in US law Phi phenomenon, in visual perception Krumbein phi scale, for the size of a particle or sediment Phi (KinKi Kids album ...
*  Protein fragment library
However, this still leaves the phi-psi angles of the backbone, and up to four dihedral angles for each side chain, leading to a ... Fragments are short segments of the peptide backbone, typically from 5 to 15 residues long, and do not include the side chains ... This is much less than the KN possibilities if explicitly modeling the phi-psi angles as K possible combinations, as the ... In order to reduce the conformational space, one can use protein fragment libraries rather than explicitly model every phi-psi ...
*  Dihedral angle
... phi), ψ (psi) and ω (omega), as shown in the diagram. The planarity of the peptide bond usually restricts ω to be 180° (the ... The cis isomer is mainly observed in Xaa-Pro peptide bonds (where Xaa is any amino acid). The sidechain dihedral angles tend to ...
*  PSIPRED
PHI Learning Pvt. Ltd. pp. 302-. ISBN 978-81-203-4785-4. "PSIPRED , Bioinformatic Technology". 10 April 2014. Retrieved 7 May ... Peptide Science. Bentham Science Publishers. 1 (3): 273-301(29). doi:10.2174/1389203003381324. S. C. Rastogi; Namitra ...
*  Catgrip
Pavone, V; Benedetti E; Di Blasio B; Lombardi A (1989). "Regularly alternating L,D peptides. III Hexacyclic peptides from ... Catgrips are defined by the phi,psi main chain dihedral angles of the second and third amino acids in the nest. If two catgrips ... Catgrips are small cation-binding molecular features of proteins and peptides. Each consists of the main chain atoms only of ... They are also observed in synthetic peptides and in cyclic hexapeptides made from alternating D,L amino acids. The conformation ...
*  Nest (protein structural motif)
Peptide nests are small anion-binding molecular features of proteins and peptides. Each consists of the main chain atoms of ... R residues have negative phi values (as in right-handed alpha-helices) and L residues have positive phi values (as in the left- ... Simple nests are of two kinds called RL and LR depending on the sign of the phi angles of the first two nest residues. ... Nests are defined by the conformation of the main chain atoms, namely the phi,psi dihedral angles of the first two amino acids ...
*  Polyproline helix
... specifically the X-Pro peptide bond; steric and electronic factors heavily favor the trans isomer in most other peptide bonds. ... phi +\psi \right)/2\right]} Substitution of the poly-Pro II (φ,ψ) dihedral angles into this equation yields almost exactly Ω ... The poly-Pro I helix is much denser than the PPII helix due to the cis isomers of its peptide bonds. It is also rarer than the ... However, peptide bonds that replace proline with another N-substituted amino acid (such as sarcosine) are also likely to adopt ...
*  Volume Area Dihedral Angle Reporter
VADAR consists of >15 different algorithms and programs for assessing and validating peptide and protein structures from their ... phi, psi, omega and chi angles), assessing local structure quality (through numerous quality indices), evaluating global ...
*  Barnase
InterPro entry Kippen, A. D.; Arcus, V. L.; Fersht, A. R. (1994). "Structural studies on peptides corresponding to mutants of ... who used it as the test case in developing a method of characterizing protein folding transition states known as phi value ... nor does it require divalent cations or non-peptide components to fold. This simplicity, in combination with its reversible ...
*  Paul Flory
For an example, a peptide bond can be described by the x,y,z positions of every atom in this bond or the Flory convention can ... phi _{i}} . Applying a vector conversion from the Cartesian coordinates to the generalized coordinates will describe the same ...
*  Alpha helix
... thanks to the crystal structure determinations of amino acids and peptides and Pauling's prediction of planar peptide bonds; ... phi,psi and Cbeta deviation". Proteins. 50 (3): 437-50. doi:10.1002/prot.10286. PMID 12557186. Dickerson RE, Geis I (1969), ... Introduction to Peptides and Proteins. Boca Raton: CRC Press. pp. 36-57. ISBN 9781439882047. Terwilliger TC (March 2010). " ... Pace, C. Nick; Scholtz, J. Martin (1998). "A Helix Propensity Scale Based on Experimental Studies of Peptides and Proteins". ...
*  Flory convention
As an example of its use, a peptide bond can be described by the x,y,z positions of every atom in this bond or the Flory ... phi _{i}} (note that the sequence of dihedral angles is specified using angle 0 as trans). Applying a vector conversion from ...
*  Hydrophobic collapse
In this model, we do not consider the interactions of the peptide backbone as this maintains its stability in non-polar and ... of the transition state ensembles for folding of Im7 and Im9 determined using all-atom molecular dynamics simulations with phi ... Incidentally, polar residues interact favourably with water, thus the solvent-facing surface of the peptide is usually composed ... to fold by hydrophobic collapse are particularly amenable to complementary computational and experimental study using phi value ...
*  Dilworth Wayne Woolley
One of his assistants, Robert Bruce Merrifield, won the Nobel Prize in Chemistry in 1984, for work on peptide synthesis they ... via Newspapers.com M. Y. Khan and Farha Khan, Principles of Enzyme Technology (PHI Learning 2015): 211. ISBN 9788120350410 ... ISBN 9780471899792 "In Memoriam: R. Bruce Merrifield" American Peptide Society (2005). "Canadian Honored" Ottawa Journal ( ...
*  APD
... a Dominican Republic political party Alpha Phi Delta, an American college fraternity APD, National Rail code for Appledore ( ... Drugs Auditory processing disorder Antisocial personality disorder Avoidant personality disorder Antimicrobial peptide database ...
*  Schellman loop
... phi) angle values and the phi value of residue i+4 is positive. Schellman loops incorporate a three amino acid residue RL nest ... Datta, S; Uma, MV (1999). "Stereochemistry of Schellman motifs in peptides. Crystal structure of a hexapeptide with a C- ... A particular combination of phi,psi values in successive residues gives rise to anion-binding sites that occur commonly and are ... Datta, Saumen; Uma, Manjappara V.; Shamala, N.; Balaram, P. (1999). "Stereochemistry of Schellman motifs in peptides: crystal ...
*  Sequence analysis
In bioinformatics, sequence analysis is the process of subjecting a DNA, RNA or peptide sequence to any of a wide range of ... February 1977). "Nucleotide sequence of bacteriophage phi X174 DNA". Nature. 265 (5596): 687-95. Bibcode:1977Natur.265..687S. ... I. The identification of lower peptides from partial hydrolysates". Biochem. J. 49 (4): 463-81. doi:10.1042/bj0490463. PMC ... 2. The investigation of peptides from enzymic hydrolysates". Biochem. J. 49 (4): 481-90. doi:10.1042/bj0490481. PMC 1197536 . ...
*  Walker motifs
The hexapeptide SGAGKT has been shown to bind inorganic phosphate strongly; since such a short peptide does not form an alpha ... A particular combination of phi,psi values for successive residues gives rise to anion binding sites that occur commonly and ... Bianchi, A; Giorgi C; Ruzza P; Toniolo C; Milner-White EJ (2012). "A synthetic peptide designed to resemble a proteinaceous P- ...
*  Protein I-sites
Assessing structure within a cluster; choice of paradigm The structural similarity between any two peptide segments was ... Phi _{i+1},\Delta \Psi _{i})} The paradigm structure for a cluster was chosen from the top-scoring 20 segments in the database ...