HEADER NEUROPEPTIDE 30-JUN-22 8DJ4 TITLE NMR SOLUTION STRUCTURE OF C-TERMINALLY AMIDATED, FULL-LENGTH HUMAN TITLE 2 GALANIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: GALANIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_COMMON: HUMAN; SOURCE 5 ORGANISM_TAXID: 9606 KEYWDS SYNTHETIC, NEUROPEPTIDE EXPDTA SOLUTION NMR NUMMDL 25 AUTHOR R.E.WILKINSON,K.N.KRAICHELY,L.E.BUCHANAN,S.PARNHAM,M.W.GIULIANO REVDAT 2 07-SEP-22 8DJ4 1 JRNL REVDAT 1 24-AUG-22 8DJ4 0 JRNL AUTH R.E.WILKINSON,K.N.KRAICHELY,C.M.HENDY,L.E.BUCHANAN, JRNL AUTH 2 S.PARNHAM,M.W.GIULIANO JRNL TITL THE NEUROPEPTIDE GALANIN ADOPTS AN IRREGULAR SECONDARY JRNL TITL 2 STRUCTURE. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 626 121 2022 JRNL REFN ESSN 1090-2104 JRNL PMID 35994823 JRNL DOI 10.1016/J.BBRC.2022.08.032 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER A. T. ET.AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8DJ4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JUN-22. REMARK 100 THE DEPOSITION ID IS D_1000266560. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 4.6 REMARK 210 IONIC STRENGTH : SAMPLE WAS DISSOLVED IN 10 MM REMARK 210 SODIUM ACETATE-D3/ACETIC ACID-D4 REMARK 210 BUFFER AT PH 4.6; NO ADDITIONAL REMARK 210 ADDITIVES WERE PRESENT. REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 0.5 MM HGAL(1-30)NH2, 4.14 MM [U REMARK 210 -2H] SODIUM ACETATE, 5.86 MM [U- REMARK 210 2H] ACETIC ACID, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 1H 1D NMR SPECTRUM; 2D 1H-1H REMARK 210 COSY; 2D 1H-1H TOCSY; 2D 1H-1H REMARK 210 ROESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS, MESTRELAB (MNOVA / REMARK 210 MESTRENOVA / MESTREC) REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 1000 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 25 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE AUTHORS STATE THE FOLLOWING REGARDING THE GEOMETRIC REMARK 210 DEVIATIONS WITH THIS ENSEMBLE: WITH MOST OF THE HYDROGEN BONDS REMARK 210 IN THE N-TERMINUS OF THE PEPTIDE BIFURCATED, OR EVEN MORE, THEY REMARK 210 ARE CONFIDENT THAT THE ENSEMBLE REPRESENTS THE TIME-AVERAGED REMARK 210 STRUCTURE OF A PEPTIDE THAT IS RAPIDLY INTERCONVERTING TURNS OF REMARK 210 ALPHA, 310-, AND PI-HELIX. THEIR SHIFT ASSIGNMENTS WERE LARGELY REMARK 210 UNAMBIGUOUS AND CAN BE FOUND IN BMRB ENTRY 31032. THE "IRREGULAR REMARK 210 HELIX RESTRAINTS" USED (AND DESCRIBED IN THE MANUSCRIPT AND ITS REMARK 210 REFERENCES) WERE EMPLOYED TO ALLOW THE ENSEMBLE TO SAMPLE REMARK 210 MULTIPLE ARRANGEMENTS DURING SIMULATED ANNEALING. BY DEFINITION, REMARK 210 THIS ENSEMBLE EXISTING AS AN AVERAGE WILL DISPLAY A SIGNIFICANT REMARK 210 DEGREE OF GEOMETRIC IRREGULARITY, PARTICULARLY WITH REGARD THE REMARK 210 BACKBONE AND SIDECHAIN OUTLIERS AS COMPARED TO STATISTICAL REMARK 210 NORMS. FURTHER, THE CLASHSCORE LEVEL IS QUITE HIGH. THIS APPEARS REMARK 210 TO BE A CONSEQUENCE OF THE VERY HIGH DENSITY OF ROE-DERIVED REMARK 210 DISTANCE RESTRAINTS IN THE N-TERMINUS OF THE PEPTIDE, WHICH WERE REMARK 210 MAXIMALLY RELAXED TO ACCOUNT FOR ANY UNCERTAINTY IN THEIR REMARK 210 MEASUREMENT THROUGHOUT SEVERAL ROUNDS OF VALIDATION AND RE- REMARK 210 CALCULATION. TIGHT SIDECHAIN PACKING AND COMPRESSION SEEMS TO BE REMARK 210 THE DICTATED OUTCOME OF OUR DATA. MUCH OF THEIR STUDY IS REMARK 210 CONCERNED WITH COMPACT HYDROPHOBIC PACKING IN THIS SEQUENCE - REMARK 210 THIS FULL-LENGTH PEPTIDE IS INDEED MUCH MORE RIGID ACROSS THE REMARK 210 STRETCH OF RESIDUES IT SHARES WITH FRAGMENT PEPTIDES DESCRIBED REMARK 210 IN ENTRIES 7S3O, 7S3Q, AND 7S3R. TOGETHER WITH THE COMPACTNESS REMARK 210 OF THE REGION OF THE SEQUENCE, THE CLASHES APPEAR TO BE A REMARK 210 CONSEQUENCE OF SEVERAL AVERAGED, COILING, HELICAL CONFORMERS ALL REMARK 210 EXISTING ON THE NMR TIMESCALE. THIS IS DISCUSSED AT FURTHER REMARK 210 LENGTH IN THE CITATION AFFILIATED WITH THIS DEPOSITION REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O THR A 3 H GLY A 8 1.56 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 THR A 3 -37.05 -158.58 REMARK 500 1 LEU A 4 -57.95 -14.67 REMARK 500 1 SER A 6 -77.93 -56.41 REMARK 500 1 ASP A 24 -15.94 -140.19 REMARK 500 2 THR A 3 -37.77 -158.84 REMARK 500 2 LEU A 4 -58.04 -14.59 REMARK 500 2 SER A 6 -76.09 -59.10 REMARK 500 2 SER A 21 -33.32 -131.87 REMARK 500 2 ASP A 24 -21.47 -141.05 REMARK 500 3 THR A 3 -37.57 -158.73 REMARK 500 3 LEU A 4 -57.35 -14.89 REMARK 500 3 SER A 6 -77.51 -56.13 REMARK 500 3 ASP A 24 -27.58 -144.28 REMARK 500 3 THR A 29 107.54 52.34 REMARK 500 4 THR A 3 -37.36 -159.14 REMARK 500 4 LEU A 4 -58.15 -14.76 REMARK 500 4 SER A 6 -76.32 -59.31 REMARK 500 4 PHE A 22 -68.19 -95.92 REMARK 500 5 THR A 3 -37.70 -159.45 REMARK 500 5 LEU A 4 -57.69 -14.99 REMARK 500 5 SER A 6 -76.52 -59.30 REMARK 500 5 ASN A 18 -41.80 -138.50 REMARK 500 5 PHE A 22 -68.44 -100.11 REMARK 500 6 THR A 3 -37.33 -159.17 REMARK 500 6 LEU A 4 -58.19 -14.82 REMARK 500 6 SER A 6 -76.39 -59.26 REMARK 500 6 PHE A 22 -71.76 -92.05 REMARK 500 6 THR A 29 -46.05 -138.01 REMARK 500 7 THR A 3 -36.92 -158.81 REMARK 500 7 LEU A 4 -57.93 -14.80 REMARK 500 7 SER A 6 -77.61 -57.45 REMARK 500 7 PHE A 22 -68.36 -99.71 REMARK 500 8 THR A 3 -37.54 -158.76 REMARK 500 8 LEU A 4 -57.25 -15.05 REMARK 500 8 SER A 6 -77.64 -56.09 REMARK 500 8 ASP A 24 -26.18 -142.26 REMARK 500 8 LYS A 25 -43.00 -134.05 REMARK 500 8 THR A 29 107.62 52.37 REMARK 500 9 THR A 3 -36.99 -158.39 REMARK 500 9 LEU A 4 -57.81 -14.84 REMARK 500 9 SER A 6 -77.73 -56.52 REMARK 500 9 HIS A 14 125.76 62.84 REMARK 500 9 ASP A 24 -37.41 -139.89 REMARK 500 9 THR A 29 -46.00 -137.89 REMARK 500 10 THR A 3 -37.40 -159.12 REMARK 500 10 LEU A 4 -58.16 -14.72 REMARK 500 10 SER A 6 -76.51 -59.27 REMARK 500 10 ASP A 24 -25.88 -142.26 REMARK 500 11 THR A 3 -37.45 -158.66 REMARK 500 11 LEU A 4 -57.28 -14.94 REMARK 500 REMARK 500 THIS ENTRY HAS 120 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31029 RELATED DB: BMRB REMARK 900 CHEMICAL SHIFT DATA FOR AC-HGAL(17-30)NH2, A C-TERMINAL GALANIN REMARK 900 FRAGMENT REMARK 900 RELATED ID: 8DHZ RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE FOR AC-HGAL(17-30)NH2, A C-TERMINAL GALANIN REMARK 900 FRAGMENT REMARK 900 RELATED ID: 30946 RELATED DB: BMRB REMARK 900 CHEMICAL SHIFT DATA FOR HGAL(2-12)KK, A GALANIN N-TERMINAL FRAGMENT REMARK 900 RELATED ID: 7S3O RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE FOR HGAL(2-12)KK, A GALANIN N-TERMINAL REMARK 900 FRAGMENT REMARK 900 RELATED ID: 30947 RELATED DB: BMRB REMARK 900 CHEMICAL SHIFT DATA FOR HGAL(1-12)KK, A GALANIN N-TERMINAL FRAGMENT REMARK 900 RELATED ID: 7S3Q RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE FOR HGAL(1-12)KK, A GALANIN N-TERMINAL REMARK 900 FRAGMENT REMARK 900 RELATED ID: 30948 RELATED DB: BMRB REMARK 900 CHEMICAL SHIFT DATA FOR HGAL(1-17)KK, A GALANIN N-TERMINAL FRAGMENT REMARK 900 RELATED ID: 7S3R RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE FOR HGAL(1-12)KK, A GALANIN N-TERMINAL REMARK 900 FRAGMENT REMARK 900 RELATED ID: 31032 RELATED DB: BMRB REMARK 900 NMR SOLUTION STRUCTURE OF C-TERMINALLY AMIDATED, FULL-LENGTH HUMAN REMARK 900 GALANIN DBREF 8DJ4 A 1 30 UNP P22466 GALA_HUMAN 33 62 SEQADV 8DJ4 NH2 A 31 UNP P22466 AMIDATION SEQRES 1 A 31 GLY TRP THR LEU ASN SER ALA GLY TYR LEU LEU GLY PRO SEQRES 2 A 31 HIS ALA VAL GLY ASN HIS ARG SER PHE SER ASP LYS ASN SEQRES 3 A 31 GLY LEU THR SER NH2 HET NH2 A 31 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N LINK C SER A 30 N NH2 A 31 1555 1555 1.33 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1