1Z1G: Lambda integrase tetramer

Crystal structure of a lambda integrase tetramer bound to a Holliday junction. Determined by X-ray diffraction at 4.4 Å resolution. Released 28 Jun 2005.

Method
X-ray diffraction
Resolution
4.4 Å
Organism
Enterobacteria phage lambda
Chains
12
Atoms
15,156
Mol. weight
229.29 kDa
Released
28 Jun 2005

Explore 1Z1G in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1Z1G contains 76 α-helices and 47 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.

Chain A: 20 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand16-1831
β-strand24-2741
β-strand34-3631
α-helix41-5414
α-helix66-694
α-helix76-8914
α-helix94-11017
α-helix116-1183
α-helix121-13313
α-helix137-15620
α-helix165-1673
α-helix170-1723
α-helix182-19110
α-helix192-1943
α-helix197-20913
α-helix213-2164
β-strand22012
α-helix221-2233
β-strand224-22523
β-strand228-23253
β-strand239-24353
β-strand247-24824
β-strand253-25424
α-helix255-26511
β-strand27012
α-helix279-2813
α-helix282-29615
α-helix304-3052
α-helix309-32113
α-helix324-3318
β-strand351-35225
Chain B: 19 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand16-1836
β-strand24-2746
β-strand34-3636
α-helix41-5414
β-strand7517
α-helix76-8914
α-helix94-11017
β-strand11517
α-helix116-1183
α-helix121-13313
α-helix137-15620
α-helix165-1673
α-helix169-1713
α-helix182-19110
α-helix192-1943
α-helix197-20913
α-helix213-2164
β-strand22018
α-helix221-2233
β-strand224-22525
β-strand228-23255
β-strand239-24355
β-strand247-24829
β-strand253-25429
α-helix255-26511
β-strand27018
α-helix279-2813
α-helix282-29615
α-helix304-3052
α-helix309-32113
α-helix324-3318
Chain C: 18 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand16-18310
β-strand24-27410
β-strand34-36310
α-helix41-5414
α-helix64-696
α-helix76-8914
α-helix94-11017
α-helix116-1183
α-helix121-13313
α-helix137-15620
α-helix165-1673
α-helix169-1724
α-helix182-19110
α-helix197-20913
α-helix213-2164
β-strand220111
α-helix221-2233
β-strand224-225212
β-strand228-232512
β-strand239-243512
β-strand247-248213
β-strand253-254213
α-helix255-26511
β-strand270111
α-helix282-29615
α-helix304-3052
α-helix309-32113
α-helix324-3307
β-strand352114
Chain D: 19 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand16-18315
β-strand24-27415
β-strand34-36315
α-helix41-5414
β-strand75116
α-helix76-8914
α-helix94-11017
β-strand115116
α-helix116-1183
α-helix121-13313
α-helix137-15620
α-helix165-1673
α-helix170-1723
α-helix182-19110
α-helix192-1943
α-helix197-20913
α-helix213-2164
β-strand220117
α-helix221-2233
β-strand224-225214
β-strand228-232514
β-strand239-243514
β-strand247-248218
β-strand253-254218
α-helix255-26511
β-strand270117
α-helix279-2813
α-helix282-29615
α-helix304-3052
α-helix309-32113
α-helix324-3307
β-strand351-35223

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
29-MERIDNA29
29-MERJDNA29
29-MERKDNA29
29-MERLDNA29
5'-d(*ap*cp*ap*gp*gp*tp*cp*ap*cp*tp*ap*tp*cp*ap*gp*tp*cp*ap*ap*ap*ap*tp*ap*cp*c)-3'E, GDNA25
25-MERF, HDNA25
IntegraseA, B, C, Dprotein356Enterobacteria phage lambdaP03700
Sequence of entity 1 (I), FASTA
>1Z1G_1 29-MER (chains I)
AACTCTGCTTTTTACAACAAAGTTGGATC
Sequence of entity 2 (J), FASTA
>1Z1G_2 29-MER (chains J)
CGCTCAAGTTTATATTAAAAAGCAGAGTT
Sequence of entity 3 (K), FASTA
>1Z1G_3 29-MER (chains K)
TTGCCAGCTTTATTATATAAACTTGAGCG
Sequence of entity 4 (L), FASTA
>1Z1G_4 29-MER (chains L)
GATCCAACTTTGTTGAATAAAGCTGGCAA
Sequence of entity 5 (E, G), FASTA
>1Z1G_5 5'-D(*AP*CP*AP*GP*GP*TP*CP*AP*CP*TP*AP*TP*CP*AP*GP*TP*CP*AP*AP*AP*AP*TP*AP*CP*C)-3' (chains E, G)
ACAGGTCACTATCAGTCAAAATACC
Sequence of entity 6 (F, H), FASTA
>1Z1G_6 25-MER (chains F, H)
GGTATTTTGACTGATAGTGACCTGT
Sequence of entity 7 (A, B, C, D), FASTA
>1Z1G_7 Integrase (chains A, B, C, D)
MGRRRSHERRDLPPNLYIRNNGYYCYRDPRTGKEFGLGRDRRIAITEAIQANIELFSGHK
HKPLTARINSDNSVTLHSWLDRYEKILASRGIKQKTLINYMSKIKAIRRGLPDAPLEDIT
TKEIAAMLNGYIDEGKAASAKLIRSTLSDAFREAIAEGHITTNHVAATRAAKSEVRRSRL
TADEYLKIYQAAESSPCWLRLAMELAVVTGQRVGDLCEMKWSDIVDGYLYVEQSKTGVKI
AIPTALHIDALGISMKETLDKCKEILGGETIIASTRREPLSSGTVSRYFMRARKASGLSF
EGDPPTFHELRSLSARLYEKQISDKFAQHLLGHKSDTMASQFRDDRGREWDKIEIK

Primary citation

A structural basis for allosteric control of DNA recombination by lambda integrase. Biswas, T., Aihara, H., Radman-Livaja, M. et al. Nature (2005) 435:1059-1066. DOI 10.1038/nature03657 · PubMed

Other PDB entries of the same protein (UniProt P03700), best resolution first:

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