3T1I: Human Mre11: Understanding Tumorigenic Mutations

Crystal Structure of Human Mre11: Understanding Tumorigenic Mutations. Determined by X-ray diffraction at 3.0 Å resolution. Released 30 Nov 2011.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
Homo sapiens
Chains
4
Atoms
12,407
Mol. weight
201.43 kDa
Ligands
MN, DTT
Released
30 Nov 2011

Explore 3T1I in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3T1I contains 60 α-helices and 96 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains A, B, C and D: 15 helices, 24 β-strands

ElementResiduesLengthSheet
α-helix9-113
β-strand12-1871
β-strand2312
α-helix35-4915
β-strand54-5741
β-strand6212
α-helix69-8315
β-strand8413
α-helix88-892
β-strand92-9324
β-strand11813
β-strand122-12431
β-strand13315
β-strand13815
α-helix140-1478
β-strand150-15231
β-strand162-16436
β-strand167-17154
β-strand174-18184
α-helix186-1949
β-strand198-20036
α-helix201-2033
α-helix207-2093
β-strand210-21674
α-helix231-2333
β-strand240-24344
β-strand250-25564
β-strand262-26544
α-helix276-2794
α-helix281-2822
β-strand283-29081
β-strand293-30081
α-helix305-3062
β-strand307-31377
α-helix314-3163
α-helix328-35023
β-strand362-36877
α-helix379-3857
β-strand396-39947

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Double-strand break repair protein MRE11AA, B, C, Dprotein431Homo sapiensP49959 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>3T1I_1 Double-strand break repair protein MRE11A (chains A, B, C, D)
MGSSHHHHHHSSGLVPRGSHMSTADALDDENTFKILVATDIHLGFMEKDAVRGNDTFVTL
DEILRLAQENEVDFILLGGDLFHENKPSRKTLHTCLELLRKYCMGDRPVQFEILSDQSVN
FGFSKFPWVNYQDGNLNISIPVFSIHGNHDDPTGADALCALDILSCAGFVNHFGRSMSVE
KIDISPVLLQKGSTKIALYGLGSIPDERLYRMFVNKKVTMLRPKEDENSWFNLFVIHQNR
SKHGSTNFIPEQFLDDFIDLVIWGHEHECKIAPTKNEQQLFYISQPGSSVVTSLSPGEAV
KKHVGLLRIKGRKMNMHKIPLHTVRQFFMEDIVLANHPDIFNPDNPKVTQAIQSFCLEKI
EEMLENAERERLGNSHQPEKPLVRLRVDYSGGFEPFSVLRFSQKFVDRVANPKDIIHFFR
HREQKEKTGEE

Ligands and cofactors

IDNameFormulaCopies
MNManganese (II) ionMn8
DTT2,3-dihydroxy-1,4-dithiobutaneC4 H10 O2 S22

Water and common crystallization additives (GOL) are not listed.

Primary citation

Crystal structure of human mre11: understanding tumorigenic mutations. Park, Y.B., Chae, J., Kim, Y. et al. Structure (2011) 19:1591-1602. DOI 10.1016/j.str.2011.09.010 · PubMed

Other PDB entries of the same protein (UniProt P49959 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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