HEADER METAL BINDING PROTEIN 14-SEP-24 9DMR TITLE SOLUTION NMR STRUCTURE OF THE CALCIUM INSENSITIVE HUMAN LETM1 F-EF- TITLE 2 HAND DOMAIN MUTANT IN THE ABSENCE OF CALCIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOCHONDRIAL PROTON/CALCIUM EXCHANGER PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ELECTRONEUTRAL MITOCHONDRIAL K(+)/H(+)EXCHANGER,KHE,LEUCINE COMPND 5 ZIPPER-EF-HAND-CONTAINING TRANSMEMBRANE PROTEIN 1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: LETM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS EF-HAND, F-EF-HAND, LETM1, MITOCHONDRIAL, METAL BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR Q.T.LIN,P.B.STATHOPULOS REVDAT 1 07-MAY-25 9DMR 0 JRNL AUTH Q.T.LIN,D.M.COLUSSI,P.B.STATHOPULOS JRNL TITL THE APO LETM1 F-EF-HAND ADOPTS A CLOSED CONFORMATION THAT JRNL TITL 2 UNDERLIES A MULTI-MODAL SENSORY ROLE IN MITOCHONDRIA. JRNL REF FEBS LETT. V. 599 971 2025 JRNL REFN ISSN 0014-5793 JRNL PMID 39927520 JRNL DOI 10.1002/1873-3468.70006 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.3 REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9DMR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1000288165. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308.15; 308.15 REMARK 210 PH : 7.8; 8.2 REMARK 210 IONIC STRENGTH : 95; 95 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 1 MM [U-99% 15N] HUMAN LEUCINE REMARK 210 ZIPPER EF-HAND CONTAINING REMARK 210 TRANSMEMBRANE PROTEIN-1 F-EF- REMARK 210 HAND DOMAIN, 20 MM TRIS, 50 MM REMARK 210 SODIUM CHLORIDE, 10 MM CHAPS, 90% REMARK 210 H2O/10% D2O; 1 MM [U-99% 15N; U- REMARK 210 99% 15N] HUMAN LEUCINE ZIPPER EF- REMARK 210 HAND CONTAINING TRANSMEMBRANE REMARK 210 PROTEIN-1 F-EF-HAND DOMAIN, 20 REMARK 210 MM TRIS, 50 MM SODIUM CHLORIDE, REMARK 210 10 MM CHAPS, 90% H2O/10% D2O; 1 REMARK 210 MM [U-99% 15N; U-99% 15N] HUMAN REMARK 210 LEUCINE ZIPPER EF-HAND REMARK 210 CONTAINING TRANSMEMBRANE PROTEIN- REMARK 210 1 F-EF-HAND DOMAIN, 20 MM TRIS, REMARK 210 50 MM SODIUM CHLORIDE, 10 MM REMARK 210 CHAPS, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D 1H-15N NOESY; REMARK 210 3D CBCA(CO)NH; 3D HNCACB; 3D REMARK 210 H(CCO)NH; 3D HNCO; 2D 1H-13C REMARK 210 HSQC; 3D HCCH-TOCSY; 3D 1H-13C REMARK 210 NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA 1.9.1B12, CNS, NMRPIPE 10.9 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 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: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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: 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 HIS A -3 -75.30 66.40 REMARK 500 1 ASN A 646 -71.35 -67.59 REMARK 500 1 ALA A 678 174.73 -52.14 REMARK 500 2 SER A 0 81.38 -152.89 REMARK 500 2 GLU A 645 168.12 67.45 REMARK 500 2 ASN A 646 -83.87 -115.17 REMARK 500 2 GLU A 698 33.83 -90.29 REMARK 500 3 SER A 0 106.89 61.98 REMARK 500 3 THR A 643 103.77 -49.13 REMARK 500 3 SER A 666 84.36 -67.45 REMARK 500 3 ALA A 678 175.71 -57.57 REMARK 500 4 GLU A 665 -168.37 -122.00 REMARK 500 5 ALA A 678 172.73 -51.40 REMARK 500 6 HIS A -3 70.65 63.02 REMARK 500 7 SER A 0 -35.04 72.32 REMARK 500 7 ASN A 646 -97.60 -91.17 REMARK 500 7 ALA A 678 171.48 -51.10 REMARK 500 8 MET A -2 77.71 68.17 REMARK 500 9 HIS A -3 -175.06 70.61 REMARK 500 9 ALA A -1 30.54 -84.75 REMARK 500 9 GLU A 645 42.74 -79.81 REMARK 500 9 ASN A 646 -89.75 65.13 REMARK 500 9 PRO A 664 -78.33 -78.94 REMARK 500 9 ALA A 678 168.32 -49.03 REMARK 500 10 ASN A 646 -62.97 -95.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31205 RELATED DB: BMRB REMARK 900 SOLUTION NMR STRUCTURE OF THE CALCIUM INSENSITIVE HUMAN LETM1 F-EF- REMARK 900 HAND DOMAIN MUTANT IN THE ABSENCE OF CALCIUM DBREF 9DMR A 643 699 UNP O95202 LETM1_HUMAN 643 699 SEQADV 9DMR GLY A -5 UNP O95202 EXPRESSION TAG SEQADV 9DMR SER A -4 UNP O95202 EXPRESSION TAG SEQADV 9DMR HIS A -3 UNP O95202 EXPRESSION TAG SEQADV 9DMR MET A -2 UNP O95202 EXPRESSION TAG SEQADV 9DMR ALA A -1 UNP O95202 EXPRESSION TAG SEQADV 9DMR SER A 0 UNP O95202 EXPRESSION TAG SEQADV 9DMR ALA A 676 UNP O95202 ASP 676 CONFLICT SEQADV 9DMR ALA A 678 UNP O95202 ASN 678 CONFLICT SEQRES 1 A 63 GLY SER HIS MET ALA SER THR GLY GLU ASN VAL ILE SER SEQRES 2 A 63 VAL ALA GLU LEU ILE ASN ALA MET LYS GLN VAL LYS HIS SEQRES 3 A 63 ILE PRO GLU SER LYS LEU THR SER LEU ALA ALA ALA LEU SEQRES 4 A 63 ALA GLU ALA LYS ASP GLY LYS VAL ASN ILE ASP ASP LEU SEQRES 5 A 63 VAL LYS VAL ILE GLU LEU VAL ASP LYS GLU ASP HELIX 1 AA1 VAL A 650 GLN A 659 1 10 HELIX 2 AA2 LYS A 667 GLU A 677 1 11 HELIX 3 AA3 ASN A 684 ASP A 696 1 13 SHEET 1 AA1 2 ILE A 648 SER A 649 0 SHEET 2 AA1 2 LYS A 682 VAL A 683 -1 O VAL A 683 N ILE A 648 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 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MASTER 133 0 0 3 2 0 0 6 466 1 0 5 END