HEADER NUCLEAR PROTEIN 27-FEB-25 9M2D TITLE SERF1_HUMAN SHORT ISOFORM OF SMALL EDRK-RICH FACTOR 1, SERF1A AT PH TITLE 2 6.8. COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM SHORT OF SMALL EDRK-RICH FACTOR 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PROTEIN 4F5,H4F5,SMA MODIFIER 1; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE TWO RESIDUES, GLY-SER (GS), ARE REMNANTS FROM THE COMPND 7 AFFINITY TAG REMOVAL PROCESS. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SERF1A, FAM2A, SERF1, SMAM1, SERF1B, FAM2B, SERF1, SMAM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RNA-BINDING PROTEIN, INTRINSIC DISORDER PROTEIN, AND NEUROLOGICAL KEYWDS 2 DISORDERS., NUCLEAR PROTEIN EXPDTA SOLUTION NMR NUMMDL 100 AUTHOR S.Y.HUANG,O.SHIH,U.S.JENG,C.F.CHANG,J.H.LIN,T.E.MALLIAVIN REVDAT 1 14-JAN-26 9M2D 0 JRNL AUTH S.Y.HUANG,O.SHIH,U.S.JENG,C.F.CHANG,J.H.LIN,T.E.MALLIAVIN JRNL TITL PH SENSITIVITY OF THE SERF1A CONFORMATIONAL ENSEMBLE. JRNL REF ACS OMEGA 2026 JRNL REFN ESSN 2470-1343 JRNL DOI 10.1021/ACSOMEGA.5C07620 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9M2D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1300056964. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 20 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 0.5 MM [U-13C; U-15N] SERF1A, REMARK 210 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 3D CBCA(CO)NH; 3D HNCACB; 3D 1H- REMARK 210 15N TOCSY; 3D 1H-15N NOESY; 3D REMARK 210 HNCO REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : SPARKY REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 2000 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 100 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-100 REMARK 465 RES C SSSEQI REMARK 465 GLY A -1 REMARK 465 SER A 0 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 LYS A 55 -73.62 -110.48 REMARK 500 2 ASN A 5 41.52 -106.52 REMARK 500 2 GLN A 19 110.35 -171.18 REMARK 500 2 SER A 22 42.20 -104.98 REMARK 500 2 GLU A 28 -72.45 -53.85 REMARK 500 2 ASP A 29 -73.76 -117.87 REMARK 500 2 SER A 30 132.08 -174.75 REMARK 500 2 LYS A 54 43.28 -95.73 REMARK 500 2 LYS A 55 128.24 -171.10 REMARK 500 3 LYS A 27 50.74 -111.20 REMARK 500 4 GLN A 19 111.32 -167.19 REMARK 500 5 MET A 15 134.21 -175.06 REMARK 500 5 LYS A 17 119.99 -174.29 REMARK 500 5 LYS A 55 146.96 -172.98 REMARK 500 5 ARG A 60 106.90 -59.05 REMARK 500 6 LYS A 17 45.54 -103.24 REMARK 500 7 ARG A 26 125.72 -172.39 REMARK 500 7 GLU A 28 -70.80 -53.61 REMARK 500 7 LEU A 31 78.22 -118.14 REMARK 500 7 SER A 56 172.01 -59.02 REMARK 500 8 LYS A 16 103.88 -51.96 REMARK 500 9 ARG A 26 72.23 -100.29 REMARK 500 9 ARG A 60 51.54 -106.88 REMARK 500 10 MET A 15 -176.42 -59.82 REMARK 500 10 ASP A 29 -73.34 -97.74 REMARK 500 10 SER A 30 126.48 -174.65 REMARK 500 10 SER A 56 113.63 -173.73 REMARK 500 11 ASN A 5 54.76 -106.88 REMARK 500 11 LYS A 17 -73.02 -73.62 REMARK 500 11 LYS A 25 -60.65 -102.44 REMARK 500 11 ASP A 29 -66.13 -107.88 REMARK 500 11 GLN A 58 62.16 -113.06 REMARK 500 12 LYS A 16 139.60 -171.70 REMARK 500 12 GLU A 20 76.72 -107.45 REMARK 500 12 LYS A 23 -70.22 -84.29 REMARK 500 12 LYS A 25 120.95 -170.23 REMARK 500 12 ARG A 26 148.60 -172.00 REMARK 500 12 LYS A 54 72.81 -101.86 REMARK 500 13 LYS A 55 113.36 -162.17 REMARK 500 13 MET A 57 -53.77 -122.77 REMARK 500 14 ASP A 29 -72.80 -71.18 REMARK 500 15 LYS A 17 67.38 -115.49 REMARK 500 15 SER A 22 93.73 -68.13 REMARK 500 15 ARG A 60 79.27 -112.35 REMARK 500 16 ARG A 60 -68.74 -92.15 REMARK 500 17 MET A 15 44.70 -99.27 REMARK 500 18 LYS A 16 113.71 -167.20 REMARK 500 18 SER A 22 91.39 -68.75 REMARK 500 18 LYS A 27 78.02 -116.18 REMARK 500 18 SER A 56 44.27 -103.60 REMARK 500 REMARK 500 THIS ENTRY HAS 297 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 36733 RELATED DB: BMRB REMARK 900 SERF1_HUMAN SHORT ISOFORM OF SMALL EDRK-RICH FACTOR 1, SERF1A AT PH REMARK 900 6.8. DBREF 9M2D A 1 62 UNP O75920 SERF1_HUMAN 1 62 SEQADV 9M2D GLY A -1 UNP O75920 EXPRESSION TAG SEQADV 9M2D SER A 0 UNP O75920 EXPRESSION TAG SEQRES 1 A 64 GLY SER MET ALA ARG GLY ASN GLN ARG GLU LEU ALA ARG SEQRES 2 A 64 GLN LYS ASN MET LYS LYS THR GLN GLU ILE SER LYS GLY SEQRES 3 A 64 LYS ARG LYS GLU ASP SER LEU THR ALA SER GLN ARG LYS SEQRES 4 A 64 GLN ARG ASP SER GLU ILE MET GLN GLU LYS GLN LYS ALA SEQRES 5 A 64 ALA ASN GLU LYS LYS SER MET GLN THR ARG GLU LYS HELIX 1 AA1 ASN A 5 MET A 15 1 11 HELIX 2 AA2 LEU A 31 GLU A 53 1 23 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 TER 1045 LYS A 62 ENDMDL MODEL 2 TER 1045 LYS A 62 ENDMDL MODEL 3 TER 1045 LYS A 62 ENDMDL MODEL 4 TER 1045 LYS A 62 ENDMDL MODEL 5 TER 1045 LYS A 62 ENDMDL MODEL 6 TER 1045 LYS A 62 ENDMDL MODEL 7 TER 1045 LYS A 62 ENDMDL MODEL 8 TER 1045 LYS A 62 ENDMDL MODEL 9 TER 1045 LYS A 62 ENDMDL MODEL 10 TER 1045 LYS A 62 ENDMDL MODEL 11 TER 1045 LYS A 62 ENDMDL MODEL 12 TER 1045 LYS A 62 ENDMDL MODEL 13 TER 1045 LYS A 62 ENDMDL MODEL 14 TER 1045 LYS A 62 ENDMDL MODEL 15 TER 1045 LYS A 62 ENDMDL MODEL 16 TER 1045 LYS A 62 ENDMDL MODEL 17 TER 1045 LYS A 62 ENDMDL MODEL 18 TER 1045 LYS A 62 ENDMDL MODEL 19 TER 1045 LYS A 62 ENDMDL MODEL 20 TER 1045 LYS A 62 ENDMDL MODEL 21 TER 1045 LYS A 62 ENDMDL MODEL 22 TER 1045 LYS A 62 ENDMDL MODEL 23 TER 1045 LYS A 62 ENDMDL MODEL 24 TER 1045 LYS A 62 ENDMDL MODEL 25 TER 1045 LYS A 62 ENDMDL MODEL 26 TER 1045 LYS A 62 ENDMDL MODEL 27 TER 1045 LYS A 62 ENDMDL MODEL 28 TER 1045 LYS A 62 ENDMDL MODEL 29 TER 1045 LYS A 62 ENDMDL MODEL 30 TER 1045 LYS A 62 ENDMDL MODEL 31 TER 1045 LYS A 62 ENDMDL MODEL 32 TER 1045 LYS A 62 ENDMDL MODEL 33 TER 1045 LYS A 62 ENDMDL MODEL 34 TER 1045 LYS A 62 ENDMDL MODEL 35 TER 1045 LYS A 62 ENDMDL MODEL 36 TER 1045 LYS A 62 ENDMDL MODEL 37 TER 1045 LYS A 62 ENDMDL MODEL 38 TER 1045 LYS A 62 ENDMDL MODEL 39 TER 1045 LYS A 62 ENDMDL MODEL 40 TER 1045 LYS A 62 ENDMDL MODEL 41 TER 1045 LYS A 62 ENDMDL MODEL 42 TER 1045 LYS A 62 ENDMDL MODEL 43 TER 1045 LYS A 62 ENDMDL MODEL 44 TER 1045 LYS A 62 ENDMDL MODEL 45 TER 1045 LYS A 62 ENDMDL MODEL 46 TER 1045 LYS A 62 ENDMDL MODEL 47 TER 1045 LYS A 62 ENDMDL MODEL 48 TER 1045 LYS A 62 ENDMDL MODEL 49 TER 1045 LYS A 62 ENDMDL MODEL 50 TER 1045 LYS A 62 ENDMDL MODEL 51 TER 1045 LYS A 62 ENDMDL MODEL 52 TER 1045 LYS A 62 ENDMDL MODEL 53 TER 1045 LYS A 62 ENDMDL MODEL 54 TER 1045 LYS A 62 ENDMDL MODEL 55 TER 1045 LYS A 62 ENDMDL MODEL 56 TER 1045 LYS A 62 ENDMDL MODEL 57 TER 1045 LYS A 62 ENDMDL MODEL 58 TER 1045 LYS A 62 ENDMDL MODEL 59 TER 1045 LYS A 62 ENDMDL MODEL 60 TER 1045 LYS A 62 ENDMDL MODEL 61 TER 1045 LYS A 62 ENDMDL MODEL 62 TER 1045 LYS A 62 ENDMDL MODEL 63 TER 1045 LYS A 62 ENDMDL MODEL 64 TER 1045 LYS A 62 ENDMDL MODEL 65 TER 1045 LYS A 62 ENDMDL MODEL 66 TER 1045 LYS A 62 ENDMDL MODEL 67 TER 1045 LYS A 62 ENDMDL MODEL 68 TER 1045 LYS A 62 ENDMDL MODEL 69 TER 1045 LYS A 62 ENDMDL MODEL 70 TER 1045 LYS A 62 ENDMDL MODEL 71 TER 1045 LYS A 62 ENDMDL MODEL 72 TER 1045 LYS A 62 ENDMDL MODEL 73 TER 1045 LYS A 62 ENDMDL MODEL 74 TER 1045 LYS A 62 ENDMDL MODEL 75 TER 1045 LYS A 62 ENDMDL MODEL 76 TER 1045 LYS A 62 ENDMDL MODEL 77 TER 1045 LYS A 62 ENDMDL MODEL 78 TER 1045 LYS A 62 ENDMDL MODEL 79 TER 1045 LYS A 62 ENDMDL MODEL 80 TER 1045 LYS A 62 ENDMDL MODEL 81 TER 1045 LYS A 62 ENDMDL MODEL 82 TER 1045 LYS A 62 ENDMDL MODEL 83 TER 1045 LYS A 62 ENDMDL MODEL 84 TER 1045 LYS A 62 ENDMDL MODEL 85 TER 1045 LYS A 62 ENDMDL MODEL 86 TER 1045 LYS A 62 ENDMDL MODEL 87 TER 1045 LYS A 62 ENDMDL MODEL 88 TER 1045 LYS A 62 ENDMDL MODEL 89 TER 1045 LYS A 62 ENDMDL MODEL 90 TER 1045 LYS A 62 ENDMDL MODEL 91 TER 1045 LYS A 62 ENDMDL MODEL 92 TER 1045 LYS A 62 ENDMDL MODEL 93 TER 1045 LYS A 62 ENDMDL MODEL 94 TER 1045 LYS A 62 ENDMDL MODEL 95 TER 1045 LYS A 62 ENDMDL MODEL 96 TER 1045 LYS A 62 ENDMDL MODEL 97 TER 1045 LYS A 62 ENDMDL MODEL 98 TER 1045 LYS A 62 ENDMDL MODEL 99 TER 1045 LYS A 62 ENDMDL MODEL 100 TER 1045 LYS A 62 ENDMDL MASTER 153 0 0 2 0 0 0 6 508 1 0 5 END