HEADER MEMBRANE PROTEIN 14-APR-26 12OY TITLE SINGLE PARTICLE CRYO-EM STRUCTURE OF HUMAN MTCH2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOCHONDRIAL CARRIER HOMOLOG 2,MITOCHONDRIAL BROWN FAT COMPND 3 UNCOUPLING PROTEIN 1; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: MET-INDUCED MITOCHONDRIAL PROTEIN,UCP 1,SOLUTE CARRIER COMPND 6 FAMILY 25 MEMBER 7,THERMOGENIN; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: UCP1 NANOBODY; COMPND 11 CHAIN: B; COMPND 12 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: MTCH2, MIMP, HSPC032, UCP1, SLC25A7, UCP; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 10 EXPRESSION_SYSTEM_ORGAN: OVARY; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PFASTBAC1; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 16 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 17 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PETDUET KEYWDS MITOCHONDRIAL OUTER MEMBRANE INSERTASE, SLC25 CARRIER FOLD, KEYWDS 2 HYDROPHILIC GROOVE, MEMBRANE PROTEIN BIOGENESIS, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Z.LUO,T.A.STEVENS,R.M.VOORHEES REVDAT 1 13-MAY-26 12OY 0 JRNL AUTH Z.LUO,T.A.STEVENS,C.A.LEE,M.HAZU,E.G.GALATIS,A.J.INGLIS, JRNL AUTH 2 A.GUNA,R.M.VOORHEES JRNL TITL STRUCTURAL EVOLUTION OF THE MTCH FAMILY OF MITOCHONDRIAL JRNL TITL 2 INSERTASES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, SERIALEM, CRYOSPARC, COOT, REMARK 3 PHENIX, CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 8HBV REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : REAL-SPACE CORRELATION REMARK 3 COEFFICIENT REMARK 3 OVERALL ANISOTROPIC B VALUE : 136.000 REMARK 3 REMARK 3 FITTING PROCEDURE : INITIAL FITTING WAS DONE USING COOT AND REMARK 3 REFINED BY PHENIX CRYO-EM REAL SPACE REFINEMENT. REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.600 REMARK 3 NUMBER OF PARTICLES : 485622 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: FINAL MAP GENERATED BY LOCAL REFINEMENT IN REMARK 3 CRYOSPARC USING A SOFT MASK ENCOMPASSING MTCH2 ONLY. REMARK 4 REMARK 4 12OY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-APR-26. REMARK 100 THE DEPOSITION ID IS D_1000306803. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : MTCH2 COMPLEXED WITH UCP1 REMARK 245 NANOBODY REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.90 REMARK 245 SAMPLE SUPPORT DETAILS : THE GRID WAS GLOW-DISCHARGED REMARK 245 WITH A PELCO EASIGLOWTM (TED REMARK 245 PELLA, INC.) AT 20 MA FOR 60 S. REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : HUMAN MTCH2 WITH THE CYTOSOLIC REMARK 245 LOOP BETWEEN TM4 AND TM5 REPLACED BY THE ANTI-UCP1 NANOBODY REMARK 245 RECOGNITION EPITOPE FROM UCP1 IN COMPLEX WITH THE ANTI-UCP1 REMARK 245 NANOBODY PMB65 (MODIFIED TO PERMIT NABFAB BINDING) REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 15334 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1800.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.60 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 LYS A 100 REMARK 465 GLY A 101 REMARK 465 GLU A 102 REMARK 465 GLU A 103 REMARK 465 LEU A 104 REMARK 465 GLY A 105 REMARK 465 PRO A 106 REMARK 465 GLY A 107 REMARK 465 ASN A 108 REMARK 465 VAL A 109 REMARK 465 GLN A 110 REMARK 465 LYS A 111 REMARK 465 GLU A 112 REMARK 465 VAL A 113 REMARK 465 SER A 114 REMARK 465 SER A 115 REMARK 465 LEU A 303 REMARK 465 ILE A 304 REMARK 465 GLY B 3 REMARK 465 GLN B 4 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 MET A 302 CG SD CE 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 LEU A 162 -127.35 61.96 REMARK 500 CYS A 297 -59.12 -126.97 REMARK 500 VAL B 51 -55.26 -124.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-76655 RELATED DB: EMDB REMARK 900 SINGLE PARTICLE CRYO-EM STRUCTURE OF HUMAN MTCH2 DBREF 12OY A 1 202 UNP Q9Y6C9 MTCH2_HUMAN 1 202 DBREF 12OY A 203 222 UNP P25874 UCP1_HUMAN 198 217 DBREF 12OY A 223 304 UNP Q9Y6C9 MTCH2_HUMAN 222 303 DBREF 12OY B 3 129 PDB 12OY 12OY 3 129 SEQADV 12OY VAL A 199 UNP Q9Y6C9 LEU 199 ENGINEERED MUTATION SEQADV 12OY TYR A 200 UNP Q9Y6C9 ALA 200 ENGINEERED MUTATION SEQADV 12OY ALA A 227 UNP Q9Y6C9 THR 226 ENGINEERED MUTATION SEQRES 1 A 304 MET ALA ASP ALA ALA SER GLN VAL LEU LEU GLY SER GLY SEQRES 2 A 304 LEU THR ILE LEU SER GLN PRO LEU MET TYR VAL LYS VAL SEQRES 3 A 304 LEU ILE GLN VAL GLY TYR GLU PRO LEU PRO PRO THR ILE SEQRES 4 A 304 GLY ARG ASN ILE PHE GLY ARG GLN VAL CYS GLN LEU PRO SEQRES 5 A 304 GLY LEU PHE SER TYR ALA GLN HIS ILE ALA SER ILE ASP SEQRES 6 A 304 GLY ARG ARG GLY LEU PHE THR GLY LEU THR PRO ARG LEU SEQRES 7 A 304 CYS SER GLY VAL LEU GLY THR VAL VAL HIS GLY LYS VAL SEQRES 8 A 304 LEU GLN HIS TYR GLN GLU SER ASP LYS GLY GLU GLU LEU SEQRES 9 A 304 GLY PRO GLY ASN VAL GLN LYS GLU VAL SER SER SER PHE SEQRES 10 A 304 ASP HIS VAL ILE LYS GLU THR THR ARG GLU MET ILE ALA SEQRES 11 A 304 ARG SER ALA ALA THR LEU ILE THR HIS PRO PHE HIS VAL SEQRES 12 A 304 ILE THR LEU ARG SER MET VAL GLN PHE ILE GLY ARG GLU SEQRES 13 A 304 SER LYS TYR CYS GLY LEU CYS ASP SER ILE ILE THR ILE SEQRES 14 A 304 TYR ARG GLU GLU GLY ILE LEU GLY PHE PHE ALA GLY LEU SEQRES 15 A 304 VAL PRO ARG LEU LEU GLY ASP ILE LEU SER LEU TRP LEU SEQRES 16 A 304 CYS ASN SER VAL TYR TYR LEU MET LYS GLU ALA PHE VAL SEQRES 17 A 304 LYS ASN ASN ILE LEU ALA ASP ASP VAL PRO CYS HIS LEU SEQRES 18 A 304 VAL SER GLN ALA VAL ALA GLY PHE PHE ALA SER MET LEU SEQRES 19 A 304 THR TYR PRO PHE VAL LEU VAL SER ASN LEU MET ALA VAL SEQRES 20 A 304 ASN ASN CYS GLY LEU ALA GLY GLY CYS PRO PRO TYR SER SEQRES 21 A 304 PRO ILE TYR THR SER TRP ILE ASP CYS TRP CYS MET LEU SEQRES 22 A 304 GLN LYS GLU GLY ASN MET SER ARG GLY ASN SER LEU PHE SEQRES 23 A 304 PHE ARG LYS VAL PRO PHE GLY LYS THR TYR CYS CYS ASP SEQRES 24 A 304 LEU LYS MET LEU ILE SEQRES 1 B 127 GLY GLN ARG GLN LEU VAL GLU SER GLY GLY GLY LEU VAL SEQRES 2 B 127 GLN PRO GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER SEQRES 3 B 127 GLY ARG THR SER SER THR TYR THR MET GLY TRP PHE ARG SEQRES 4 B 127 GLN ALA PRO GLY LYS GLU ARG GLU PHE VAL ALA ALA ILE SEQRES 5 B 127 SER TRP THR GLY THR PRO TYR TYR ALA ASP SER VAL LYS SEQRES 6 B 127 GLY ARG PHE THR ILE SER ARG ASP ASN ALA LYS ASN THR SEQRES 7 B 127 VAL TYR LEU GLN MET ASN SER LEU GLU PRO GLU ASP THR SEQRES 8 B 127 ALA VAL TYR TYR CYS ALA ALA ALA ARG PRO GLY LEU PHE SEQRES 9 B 127 ILE PHE VAL SER ASP TYR ALA ARG THR ALA LYS TYR ASP SEQRES 10 B 127 TYR TRP GLY LYS GLY THR PRO VAL THR VAL HELIX 1 AA1 ALA A 2 GLY A 31 1 30 HELIX 2 AA2 GLY A 53 ASP A 65 1 13 HELIX 3 AA3 GLY A 73 ASP A 99 1 27 HELIX 4 AA4 PHE A 117 VAL A 150 1 34 HELIX 5 AA5 GLN A 151 GLY A 154 5 4 HELIX 6 AA6 GLY A 161 ASP A 164 5 4 HELIX 7 AA7 SER A 165 GLY A 174 1 10 HELIX 8 AA8 ILE A 175 ALA A 180 5 6 HELIX 9 AA9 GLY A 181 ASN A 210 1 30 HELIX 10 AB1 ASP A 216 THR A 235 1 20 HELIX 11 AB2 THR A 235 ASN A 248 1 14 HELIX 12 AB3 SER A 265 GLY A 277 1 13 HELIX 13 AB4 ARG B 30 TYR B 35 1 6 HELIX 14 AB5 ASP B 64 LYS B 67 5 4 HELIX 15 AB6 GLU B 89 THR B 93 5 5 HELIX 16 AB7 PHE B 108 ARG B 114 5 7 SHEET 1 AA1 2 THR A 38 ARG A 41 0 SHEET 2 AA1 2 GLN A 47 GLN A 50 -1 O VAL A 48 N GLY A 40 SHEET 1 AA2 4 VAL B 8 SER B 10 0 SHEET 2 AA2 4 LEU B 21 ALA B 26 -1 O ALA B 26 N VAL B 8 SHEET 3 AA2 4 THR B 80 MET B 85 -1 O LEU B 83 N LEU B 23 SHEET 4 AA2 4 PHE B 70 ASP B 75 -1 N SER B 73 O TYR B 82 SHEET 1 AA3 5 PRO B 60 TYR B 62 0 SHEET 2 AA3 5 GLU B 49 ILE B 54 -1 N ALA B 53 O TYR B 61 SHEET 3 AA3 5 THR B 36 GLN B 42 -1 N ARG B 41 O GLU B 49 SHEET 4 AA3 5 ALA B 94 ALA B 101 -1 O VAL B 95 N GLN B 42 SHEET 5 AA3 5 TYR B 120 TRP B 121 -1 O TYR B 120 N ALA B 100 SHEET 1 AA4 5 PRO B 60 TYR B 62 0 SHEET 2 AA4 5 GLU B 49 ILE B 54 -1 N ALA B 53 O TYR B 61 SHEET 3 AA4 5 THR B 36 GLN B 42 -1 N ARG B 41 O GLU B 49 SHEET 4 AA4 5 ALA B 94 ALA B 101 -1 O VAL B 95 N GLN B 42 SHEET 5 AA4 5 THR B 125 VAL B 127 -1 O THR B 125 N TYR B 96 SSBOND 1 CYS B 25 CYS B 98 1555 1555 2.03 CISPEP 1 PRO A 257 PRO A 258 0 3.31 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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 CONECT 2366 2944 CONECT 2944 2366 MASTER 163 0 0 16 16 0 0 6 3174 2 2 34 END