+Open data
-Basic information
Entry | Database: PDB / ID: 1hyk | |||||||||
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Title | AGOUTI-RELATED PROTEIN (87-132) (AC-AGRP(87-132)) | |||||||||
Components | AGOUTI RELATED PROTEIN | |||||||||
Keywords | SIGNALING PROTEIN / CYSTEINE RICH / DISULFIDE BOND / ICK / INHIBITOR CYSTINE KNOT / MELANOCORTIN ANTAGONISTS / AGOUTI / AGOUTI-RELATED / AGRP / ENDOGENOUS ANTAGONIST | |||||||||
Function / homology | Function and homology information long-day photoperiodism / type 1 melanocortin receptor binding / positive regulation of feeding behavior / adult feeding behavior / regulation of feeding behavior / neuropeptide hormone activity / feeding behavior / eating behavior / neuropeptide signaling pathway / maternal process involved in female pregnancy ...long-day photoperiodism / type 1 melanocortin receptor binding / positive regulation of feeding behavior / adult feeding behavior / regulation of feeding behavior / neuropeptide hormone activity / feeding behavior / eating behavior / neuropeptide signaling pathway / maternal process involved in female pregnancy / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / hormone-mediated signaling pathway / response to insulin / Golgi lumen / circadian rhythm / signaling receptor binding / neuronal cell body / extracellular space Similarity search - Function | |||||||||
Method | SOLUTION NMR / torsion angle dynamics | |||||||||
Authors | Bolin, K.A. / Anderson, D.J. / Trulson, J.A. / Thompson, D.A. / Wilken, J. / Kent, S.B.H. / Millhauser, G.L. | |||||||||
Citation | Journal: FEBS Lett. / Year: 1999 Title: NMR structure of a minimized human agouti related protein prepared by total chemical synthesis. Authors: Bolin, K.A. / Anderson, D.J. / Trulson, J.A. / Thompson, D.A. / Wilken, J. / Kent, S.B. / Gantz, I. / Millhauser, G.L. #1: Journal: Mol.Endocrinol. / Year: 1999 Title: Characterization of Agouti-Related Protein Binding to Melanocortin Receptors. Authors: Yang, Y.K. / Thompson, D.A. / Dickinson, C.J. / Wilken, J. / Barsh, G.S. / Kent, S.B. / Gantz, I. #2: Journal: Biochemistry / Year: 1998 Title: Determination of Disulfide Structure in Agouti-Related Protein (Agrp) by Stepwise Reduction and Alkylation Authors: Bures, E.J. / Hui, J.O. / Young, Y. / Chow, D.T. / Katta, V. / Rohde, M.F. / Zeni, L. / Rosenfeld, R.D. / Stark, K.L. / Haniu, M. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1hyk.cif.gz | 534.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1hyk.ent.gz | 444.7 KB | Display | PDB format |
PDBx/mmJSON format | 1hyk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1hyk_validation.pdf.gz | 338.6 KB | Display | wwPDB validaton report |
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Full document | 1hyk_full_validation.pdf.gz | 572.7 KB | Display | |
Data in XML | 1hyk_validation.xml.gz | 27.4 KB | Display | |
Data in CIF | 1hyk_validation.cif.gz | 46.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hy/1hyk ftp://data.pdbj.org/pub/pdb/validation_reports/hy/1hyk | HTTPS FTP |
-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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NMR ensembles |
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-Components
#1: Protein/peptide | Mass: 5207.157 Da / Num. of mol.: 1 / Fragment: C-TERMINAL DOMAIN AC-AGRP(87-132) / Source method: obtained synthetically Details: This sequence is the native sequence for the cystine-rich C-terminal domain of the human agouti-related protein. The N-terminal acetylation at residue 87 (the first residue of the sequence) ...Details: This sequence is the native sequence for the cystine-rich C-terminal domain of the human agouti-related protein. The N-terminal acetylation at residue 87 (the first residue of the sequence) is non-native and done only to prevent a non-native positively charged amino terminus in the synthetic fragment. Synthesis was by means of standard BOC-based solid-phase peptide synthesis followed by refolding and oxidation of cysteines to cystines. References: UniProt: O00253 |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||
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NMR experiment |
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NMR details | Text: STANDARD 2D HOMONUCLEAR TECHNIQUES WERE USED TO ASSIGN SPECTRA ACQUIRED OVER THE TEMPERATURE RANGE 288- 303 K. A SUBSET OF UNAMBIGUOUSLY ASSIGNED NOE PEAKS TAKEN FROM DATA ACQUIRED AT 288 K ...Text: STANDARD 2D HOMONUCLEAR TECHNIQUES WERE USED TO ASSIGN SPECTRA ACQUIRED OVER THE TEMPERATURE RANGE 288- 303 K. A SUBSET OF UNAMBIGUOUSLY ASSIGNED NOE PEAKS TAKEN FROM DATA ACQUIRED AT 288 K WITH AN 150 MS MIXING TIME WERE USED IN STRUCTURE CALCULATIONS, AS WERE 34 PHI BACKBONE ANGLE RESTRAINTS DERIVED FROM FITTING OF DQF- COSY CROSSPEAKS. BOTH CARRIER PRESATURATION AND Z- GRADIENT WET TECHNIQUES WERE USED FOR SOLVENT SUPPRESSION. New experiments from 1qu8 are E-COSY at 500 MHz and 150 msec 2D-NOESY at 800 MHz, 288K. |
-Sample preparation
Details | Contents: 1.9 MM Ac-AGRP(87-132) (same as 1.9 MM MARP of 1qu8) Solvent system: 50 MM PHOSPHATE BUFFER PH 5.0 (pH is changed from pH=4.2 in 1qu8) |
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Sample conditions | Ionic strength: 50mM PHOSPHATE / pH: 5 / Pressure: 1 atm / Temperature: 288.00 K |
Crystal grow | *PLUS Method: other / Details: NMR |
-NMR measurement
NMR spectrometer | Type: Varian UNITYPLUS / Manufacturer: Varian / Model: UNITYPLUS / Field strength: 800 MHz |
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-Processing
NMR software |
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Refinement | Method: torsion angle dynamics / Software ordinal: 1 Details: The preliminary structure calculation and restraint quality assessment was performed in DYANA v 1.5, so that out of 200 structures the 20 with the lowest target functions would have target ...Details: The preliminary structure calculation and restraint quality assessment was performed in DYANA v 1.5, so that out of 200 structures the 20 with the lowest target functions would have target function vaules of < 3.0 square angstroms. The lowest target function structure of this family was then submitted as a pre-folded structure in CNS v. 1.0, and 40 structures calculated under cool (< 288K) simulated annealing and conjugate gradient energy minimization. These calculations were carried out in the presence of experimnetal NOE and J-coupling restraints as well as assigned hydrogen bonds consistent with HX protection. DYANA 1.5: 799 unique NOE's from 800 MHz data, 444 resulting distance restraints after pseudoatom calculation/replacement and removal of NOE's between atoms separated by only two or three bonds. 35 alpha-H to amide-H 3-bond J-coupling constants and 44 alpha-H to beta-H 3-bond J-coupling constants from ECOSY data were also included. Disulfides and seven hydrogen bonds as determinied from surrounding NOE's and HX data were included as pseudo-NOE restraints. CNS 1.0, patch level 0: 504 distance restraints from 800 MHz NOE data, corresponding to the same upper limit restraints as used in the final round of DYANA 1.5 calulations (conversion using AQUA 2.0 in PROCHECK_NMR, and modified lower limit of 1.6 angstroms was imposed on all NOE restraints while keeping upper bounds). Disulfide map was incorporated into the covalent structure of the molecule and thereby strictly enforced in this step. The seven hydrogen bonds were included in a separate restraint file. 34 alpha-H to amide-H 3-bond J-coupling constants (not including CYS-87 amide mesurement) were also included. 40 structures were so calculated and all are deposited here. | ||||||||||||||||||||||||||||
NMR representative | Selection criteria: lowest energy | ||||||||||||||||||||||||||||
NMR ensemble | Conformer selection criteria: see refinement method and details Conformers calculated total number: 40 / Conformers submitted total number: 40 |