1U4Q - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF REPEATS 15, 16 AND 17 OF CHICKEN BRAIN ALPHA SPECTRIN
• Keywords: ALPHA SPECTRIN, THREE REPEATS OF SPECTRIN, ALPHA-HELICAL LINKER REGION, 3-HELIX COILED-COIL, STRUCTURAL PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1U4Q	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SPECTRIN ALPHA CHAIN, BRAIN	A	318	2553	0
2	Protein	SPECTRIN ALPHA CHAIN, BRAIN	B	317	2545	0
3	Water			445	0	445
total				1080	5098	445

Proteins

Unit 1

ALA 1662 ASN 1663 LYS 1664 GLN 1665 GLN 1666 ASN 1667 PHE 1668 ASN 1669 THR 1670 GLY 1671 ILE 1672 LYS 1673 ASP 1674 PHE 1675 ASP 1676 PHE 1677 TRP 1678 LEU 1679 SER 1680 GLU 1681 VAL 1682 GLU 1683 ALA 1684 LEU 1685 LEU 1686 ALA 1687 SER 1688 GLU 1689 ASP 1690 TYR 1691 GLY 1692 LYS 1693 ASP 1694 LEU 1695 ALA 1696 SER 1697 VAL 1698 ASN 1699 ASN 1700 LEU 1701 LEU 1702 LYS 1703 LYS 1704 HIS 1705 GLN 1706 LEU 1707 LEU 1708 GLU 1709 ALA 1710 ASP 1711 ILE 1712 SER 1713 ALA 1714 HIS 1715 GLU 1716 ASP 1717 ARG 1718 LEU 1719 LYS 1720 ASP 1721 LEU 1722 ASN 1723 SER 1724 GLN 1725 ALA 1726 ASP 1727 SER 1728 LEU 1729 MET 1730 THR 1731 SER 1732 SER 1733 ALA 1734 PHE 1735 ASP 1736 THR 1737 SER 1738 GLN 1739 VAL 1740 LYS 1741 ASP 1742 LYS 1743 ARG 1744 GLU 1745 THR 1746 ILE 1747 ASN 1748 GLY 1749 ARG 1750 PHE 1751 GLN 1752 ARG 1753 ILE 1754 LYS 1755 SER 1756 MET 1757 ALA 1758 ALA 1759 ALA 1760 ARG 1761 ARG 1762 ALA 1763 LYS 1764 LEU 1765 ASN 1766 GLU 1767 SER 1768 HIS 1769 ARG 1770 LEU 1771 HIS 1772 GLN 1773 PHE 1774 PHE 1775 ARG 1776 ASP 1777 MET 1778 ASP 1779 ASP 1780 GLU 1781 GLU 1782 SER 1783 TRP 1784 ILE 1785 LYS 1786 GLU 1787 LYS 1788 LYS 1789 LEU 1790 LEU 1791 VAL 1792 SER 1793 SER 1794 GLU 1795 ASP 1796 TYR 1797 GLY 1798 ARG 1799 ASP 1800 LEU 1801 THR 1802 GLY 1803 VAL 1804 GLN 1805 ASN 1806 LEU 1807 ARG 1808 LYS 1809 LYS 1810 HIS 1811 LYS 1812 ARG 1813 LEU 1814 GLU 1815 ALA 1816 GLU 1817 LEU 1818 ALA 1819 ALA 1820 HIS 1821 GLU 1822 PRO 1823 ALA 1824 ILE 1825 GLN 1826 GLY 1827 VAL 1828 LEU 1829 ASP 1830 THR 1831 GLY 1832 LYS 1833 LYS 1834 LEU 1835 SER 1836 ASP 1837 ASP 1838 ASN 1839 THR 1840 ILE 1841 GLY 1842 LYS 1843 GLU 1844 GLU 1845 ILE 1846 GLN 1847 GLN 1848 ARG 1849 LEU 1850 ALA 1851 GLN 1852 PHE 1853 VAL 1854 ASP 1855 HIS 1856 TRP 1857 LYS 1858 GLU 1859 LEU 1860 LYS 1861 GLN 1862 LEU 1863 ALA 1864 ALA 1865 ALA 1866 ARG 1867 GLY 1868 GLN 1869 ARG 1870 LEU 1871 GLU 1872 GLU 1873 SER 1874 LEU 1875 GLU 1876 TYR 1877 GLN 1878 GLN 1879 PHE 1880 VAL 1881 ALA 1882 ASN 1883 VAL 1884 GLU 1885 GLU 1886 GLU 1887 GLU 1888 ALA 1889 TRP 1890 ILE 1891 ASN 1892 GLU 1893 LYS 1894 MET 1895 THR 1896 LEU 1897 VAL 1898 ALA 1899 SER 1900 GLU 1901 ASP 1902 TYR 1903 GLY 1904 ASP 1905 THR 1906 LEU 1907 ALA 1908 ALA 1909 ILE 1910 GLN 1911 GLY 1912 LEU 1913 LEU 1914 LYS 1915 LYS 1916 HIS 1917 GLU 1918 ALA 1919 PHE 1920 GLU 1921 THR 1922 ASP 1923 PHE 1924 THR 1925 VAL 1926 HIS 1927 LYS 1928 ASP 1929 ARG 1930 VAL 1931 ASN 1932 ASP 1933 VAL 1934 CYS 1935 ALA 1936 ASN 1937 GLY 1938 GLU 1939 ASP 1940 LEU 1941 ILE 1942 LYS 1943 LYS 1944 ASN 1945 ASN 1946 HIS 1947 HIS 1948 VAL 1949 GLU 1950 ASN 1951 ILE 1952 THR 1953 ALA 1954 LYS 1955 MET 1956 LYS 1957 GLY 1958 LEU 1959 LYS 1960 GLY 1961 LYS 1962 VAL 1963 SER 1964 ASP 1965 LEU 1966 GLU 1967 LYS 1968 ALA 1969 ALA 1970 ALA 1971 GLN 1972 ARG 1973 LYS 1974 ALA 1975 LYS 1976 LEU 1977 ASP 1978 GLU 1979

Unit 2

GLN 1665 GLN 1666 ASN 1667 PHE 1668 ASN 1669 THR 1670 GLY 1671 ILE 1672 LYS 1673 ASP 1674 PHE 1675 ASP 1676 PHE 1677 TRP 1678 LEU 1679 SER 1680 GLU 1681 VAL 1682 GLU 1683 ALA 1684 LEU 1685 LEU 1686 ALA 1687 SER 1688 GLU 1689 ASP 1690 TYR 1691 GLY 1692 LYS 1693 ASP 1694 LEU 1695 ALA 1696 SER 1697 VAL 1698 ASN 1699 ASN 1700 LEU 1701 LEU 1702 LYS 1703 LYS 1704 HIS 1705 GLN 1706 LEU 1707 LEU 1708 GLU 1709 ALA 1710 ASP 1711 ILE 1712 SER 1713 ALA 1714 HIS 1715 GLU 1716 ASP 1717 ARG 1718 LEU 1719 LYS 1720 ASP 1721 LEU 1722 ASN 1723 SER 1724 GLN 1725 ALA 1726 ASP 1727 SER 1728 LEU 1729 MET 1730 THR 1731 SER 1732 SER 1733 ALA 1734 PHE 1735 ASP 1736 THR 1737 SER 1738 GLN 1739 VAL 1740 LYS 1741 ASP 1742 LYS 1743 ARG 1744 GLU 1745 THR 1746 ILE 1747 ASN 1748 GLY 1749 ARG 1750 PHE 1751 GLN 1752 ARG 1753 ILE 1754 LYS 1755 SER 1756 MET 1757 ALA 1758 ALA 1759 ALA 1760 ARG 1761 ARG 1762 ALA 1763 LYS 1764 LEU 1765 ASN 1766 GLU 1767 SER 1768 HIS 1769 ARG 1770 LEU 1771 HIS 1772 GLN 1773 PHE 1774 PHE 1775 ARG 1776 ASP 1777 MET 1778 ASP 1779 ASP 1780 GLU 1781 GLU 1782 SER 1783 TRP 1784 ILE 1785 LYS 1786 GLU 1787 LYS 1788 LYS 1789 LEU 1790 LEU 1791 VAL 1792 SER 1793 SER 1794 GLU 1795 ASP 1796 TYR 1797 GLY 1798 ARG 1799 ASP 1800 LEU 1801 THR 1802 GLY 1803 VAL 1804 GLN 1805 ASN 1806 LEU 1807 ARG 1808 LYS 1809 LYS 1810 HIS 1811 LYS 1812 ARG 1813 LEU 1814 GLU 1815 ALA 1816 GLU 1817 LEU 1818 ALA 1819 ALA 1820 HIS 1821 GLU 1822 PRO 1823 ALA 1824 ILE 1825 GLN 1826 GLY 1827 VAL 1828 LEU 1829 ASP 1830 THR 1831 GLY 1832 LYS 1833 LYS 1834 LEU 1835 SER 1836 ASP 1837 ASP 1838 ASN 1839 THR 1840 ILE 1841 GLY 1842 LYS 1843 GLU 1844 GLU 1845 ILE 1846 GLN 1847 GLN 1848 ARG 1849 LEU 1850 ALA 1851 GLN 1852 PHE 1853 VAL 1854 ASP 1855 HIS 1856 TRP 1857 LYS 1858 GLU 1859 LEU 1860 LYS 1861 GLN 1862 LEU 1863 ALA 1864 ALA 1865 ALA 1866 ARG 1867 GLY 1868 GLN 1869 ARG 1870 LEU 1871 GLU 1872 GLU 1873 SER 1874 LEU 1875 GLU 1876 TYR 1877 GLN 1878 GLN 1879 PHE 1880 VAL 1881 ALA 1882 ASN 1883 VAL 1884 GLU 1885 GLU 1886 GLU 1887 GLU 1888 ALA 1889 TRP 1890 ILE 1891 ASN 1892 GLU 1893 LYS 1894 MET 1895 THR 1896 LEU 1897 VAL 1898 ALA 1899 SER 1900 GLU 1901 ASP 1902 TYR 1903 GLY 1904 ASP 1905 THR 1906 LEU 1907 ALA 1908 ALA 1909 ILE 1910 GLN 1911 GLY 1912 LEU 1913 LEU 1914 LYS 1915 LYS 1916 HIS 1917 GLU 1918 ALA 1919 PHE 1920 GLU 1921 THR 1922 ASP 1923 PHE 1924 THR 1925 VAL 1926 HIS 1927 LYS 1928 ASP 1929 ARG 1930 VAL 1931 ASN 1932 ASP 1933 VAL 1934 CYS 1935 ALA 1936 ASN 1937 GLY 1938 GLU 1939 ASP 1940 LEU 1941 ILE 1942 LYS 1943 LYS 1944 ASN 1945 ASN 1946 HIS 1947 HIS 1948 VAL 1949 GLU 1950 ASN 1951 ILE 1952 THR 1953 ALA 1954 LYS 1955 MET 1956 LYS 1957 GLY 1958 LEU 1959 LYS 1960 GLY 1961 LYS 1962 VAL 1963 SER 1964 ASP 1965 LEU 1966 GLU 1967 LYS 1968 ALA 1969 ALA 1970 ALA 1971 GLN 1972 ARG 1973 LYS 1974 ALA 1975 LYS 1976 LEU 1977 ASP 1978 GLU 1979 ASN 1980 SER 1981