A HOMOLOGY MODEL OF HUMAN INTERFERON-ALPHA-2

被引:30
作者
MURGOLO, NJ [1 ]
WINDSOR, WT [1 ]
HRUZA, A [1 ]
REICHERT, P [1 ]
TSARBOPOULOS, A [1 ]
BALDWIN, S [1 ]
HUANG, E [1 ]
PRAMANIK, B [1 ]
EALICK, S [1 ]
TROTTA, PP [1 ]
机构
[1] CORNELL UNIV,DEPT BIOCHEM & MOLEC & CELL BIOL,ITHACA,NY 14853
来源
PROTEINS-STRUCTURE FUNCTION AND GENETICS | 1993年 / 17卷 / 01期
关键词
ALPHA-INTERFERON; INTERFERON-BETA; HOMOLOGY MODELING;
D O I
10.1002/prot.340170109
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
An atomic coordinate five alpha-helix three-dimensional model is presented for human interferon alpha-2 (HuIFNalpha2). The HuIFNalpha2 structure was constructed from murine interferon beta (MuIFNbeta) by homology modeling using the STEREO and IMPACT programs. The HuIFNalpha2 model is consistent with its known biochemical and biophysical properties including epitope mapping. Lysine residues predicted to be buried in the model were primarily unreactive with succinimidyl-7-amino-4-methylcoumarin-3-acetic acid (AMCA-NHS), a lysine modification agent, as shown by mass spectrometric analysis of tryptic digests. N-terminal sequence analysis of polypeptides generated by limited digestion of HuIFNalpha2 with endoproteinase Lys-C demonstrated rapid cleavage at K31, which is consistent with the presence of this residue in a loop in the proposed HuIFNalpha2 model. Based on this model structure potential receptor binding sites are identified. (C) 1993 Wiley-Liss, Inc.
引用
收藏
页码:62 / 74
页数:13
相关论文
共 75 条
  • [1] 3-DIMENSIONAL STRUCTURE OF A GENETICALLY ENGINEERED VARIANT OF PORCINE GROWTH-HORMONE
    ABDELMEGUID, SS
    SHIEH, HS
    SMITH, WW
    DAYRINGER, HE
    VIOLAND, BN
    BENTLE, LA
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1987, 84 (18) : 6434 - 6437
  • [2] ALKAN SS, 1985, INTERFERON SYSTEM, P237
  • [3] ORIENTATION OF A HUMAN-LEUKOCYTE INTERFERON MOLECULE ON ITS CELL-SURFACE RECEPTOR - CARBOXYL TERMINUS REMAINS ACCESSIBLE TO A MONOCLONAL-ANTIBODY MADE AGAINST A SYNTHETIC INTERFERON FRAGMENT
    ARNHEITER, H
    OHNO, M
    SMITH, M
    GUTTE, B
    ZOON, KC
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1983, 80 (09): : 2539 - 2543
  • [4] DETERMINATION OF PROTEIN STRUCTURES IN SOLUTION USING NMR DATA AND IMPACT
    BASSOLINO, DA
    HIRATA, F
    KITCHEN, DB
    KOMINOS, D
    PARDI, A
    LEVY, RM
    [J]. INTERNATIONAL JOURNAL OF SUPERCOMPUTER APPLICATIONS AND HIGH PERFORMANCE COMPUTING, 1988, 2 (02): : 41 - 61
  • [5] AMINO-ACID SUBSTITUTIONS WHICH ALTER THE ANTIVIRAL ACTIVITY OF HUMAN INTERFERON-ALPHA-1 ON MOUSE CELLS
    BEILHARZ, MW
    TYMMS, MJ
    CHAMBERS, PJ
    MCINNES, B
    PITHAROWE, PM
    LINNANE, AW
    [J]. JOURNAL OF INTERFERON RESEARCH, 1988, 8 (06): : 779 - 782
  • [6] CHEMICAL MODIFICATION OF THE RECOMBINANT HUMAN ALPHA-A-INTERFERONS AND BETA-INTERFERONS
    BORUKHOV, SI
    STRONGIN, AY
    [J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1990, 167 (01) : 74 - 80
  • [7] BOURKHOV SI, 1990, BIOCHEM BIOPH RES CO, V169, P287
  • [8] BREWELY TA, 1982, INT J PEPT PROT RES, V20, P93
  • [9] ION SPRAY INTERFACE FOR COMBINED LIQUID CHROMATOGRAPHY/ATMOSPHERIC PRESSURE IONIZATION MASS-SPECTROMETRY
    BRUINS, AP
    COVEY, TR
    HENION, JD
    [J]. ANALYTICAL CHEMISTRY, 1987, 59 (22) : 2642 - 2646
  • [10] RIBBON MODELS OF MACROMOLECULES
    CARSON, M
    [J]. JOURNAL OF MOLECULAR GRAPHICS, 1987, 5 (02): : 103 - &