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Magnesium in PDB 4iem: Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+

Enzymatic activity of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+

All present enzymatic activity of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+:
4.2.99.18;

Protein crystallography data

The structure of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+, PDB code: 4iem was solved by S.E.Tsutakawa, C.D.Mol, A.S.Arvai, J.A.Tainer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.64 / 2.39
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 104.639, 74.090, 112.138, 90.00, 111.98, 90.00
R / Rfree (%) 20.8 / 24.6

Other elements in 4iem:

The structure of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ also contains other interesting chemical elements:

Sodium (Na) 9 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ (pdb code 4iem). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 7 binding sites of Magnesium where determined in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+, PDB code: 4iem:
Jump to Magnesium binding site number: 1; 2; 3; 4; 5; 6; 7;

Magnesium binding site 1 out of 7 in 4iem

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Magnesium binding site 1 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg501

b:55.1
occ:1.00
H22 G:DG518 2.0 52.6 1.0
O2 E:DC505 2.0 39.0 1.0
O G:HOH606 2.0 53.0 1.0
O A:HOH641 2.1 34.0 1.0
N2 G:DG518 2.4 43.8 1.0
H21 G:DG518 2.4 52.6 1.0
O2 G:DT519 2.7 42.0 1.0
H1' E:DC505 3.0 45.4 1.0
C2 E:DC505 3.2 37.5 1.0
O A:HOH602 3.2 44.9 1.0
H2 E:DA504 3.4 44.5 1.0
C2 G:DG518 3.6 42.6 1.0
O A:HOH603 3.6 40.0 1.0
O A:HOH651 3.8 39.7 1.0
H1 G:DG518 3.8 45.1 1.0
C1' E:DC505 3.9 37.8 1.0
C2 G:DT519 3.9 45.1 1.0
H1' G:DT519 4.0 44.7 1.0
N1 E:DC505 4.0 38.2 1.0
O E:HOH702 4.0 38.7 1.0
HZ1 A:LYS98 4.1 55.7 1.0
C2 E:DA504 4.1 37.1 1.0
N1 G:DG518 4.1 37.6 1.0
N3 E:DC505 4.1 36.1 1.0
OD1 A:ASP70 4.2 42.3 1.0
OD2 A:ASP308 4.3 25.3 1.0
H3 G:DT519 4.4 53.7 1.0
OD2 A:ASP70 4.4 43.0 1.0
N3 G:DG518 4.5 46.3 1.0
HD2 A:TYR269 4.5 32.6 1.0
N3 E:DA504 4.6 39.6 1.0
CG A:ASP70 4.6 44.2 1.0
N3 G:DT519 4.7 44.8 1.0
O4' E:DC505 4.7 37.9 1.0
H2'' E:DC505 4.7 46.0 1.0
N1 E:DA504 4.8 40.8 1.0
NZ A:LYS98 4.8 46.4 1.0
O A:HOH635 4.8 25.5 1.0
HZ2 A:LYS98 4.8 55.7 1.0
C1' G:DT519 4.8 37.2 1.0
N1 G:DT519 4.9 43.9 1.0
HE2 A:TYR269 4.9 39.0 1.0
O3' E:DC505 4.9 35.1 1.0
C2' E:DC505 4.9 38.4 1.0
HZ3 A:LYS98 5.0 55.7 1.0
MG A:MG502 5.0 42.5 1.0

Magnesium binding site 2 out of 7 in 4iem

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Magnesium binding site 2 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg502

b:42.5
occ:1.00
O A:HOH603 1.9 40.0 1.0
OP1 F:3DR506 2.0 28.8 1.0
O A:HOH601 2.2 26.8 1.0
O3' E:DC505 2.2 35.1 1.0
OE1 A:GLU96 2.4 36.1 1.0
O A:HOH602 2.9 44.9 1.0
P F:3DR506 3.1 33.1 1.0
H2'' E:DC505 3.2 46.0 1.0
HE2 A:HIS309 3.2 32.1 1.0
C3' E:DC505 3.3 37.4 1.0
OP3 F:3DR506 3.3 23.1 1.0
H3' E:DC505 3.5 44.9 1.0
CD A:GLU96 3.6 40.6 1.0
HD22 A:ASN68 3.6 33.6 1.0
C2' E:DC505 3.7 38.4 1.0
O5' F:3DR506 3.7 32.2 1.0
H1' E:DC505 3.8 45.4 1.0
NE2 A:HIS309 3.9 26.8 1.0
HH A:TYR171 4.0 66.2 1.0
OE2 A:GLU96 4.0 45.1 1.0
O A:HOH641 4.1 34.0 1.0
HD2 A:HIS309 4.1 29.9 1.0
OD2 A:ASP308 4.2 25.3 1.0
ND2 A:ASN68 4.2 28.0 1.0
O E:HOH702 4.3 38.7 1.0
C1' E:DC505 4.3 37.8 1.0
H5'' F:3DR506 4.4 31.4 1.0
CD2 A:HIS309 4.4 24.9 1.0
OP2 F:3DR506 4.4 21.6 1.0
OD1 A:ASP308 4.4 31.2 1.0
HE1 A:PHE266 4.4 38.5 1.0
H2' E:DC505 4.5 46.0 1.0
HE2 A:TYR171 4.6 35.3 1.0
C4' E:DC505 4.6 39.8 1.0
C5' F:3DR506 4.6 26.1 1.0
CG A:ASP308 4.7 32.9 1.0
OH A:TYR171 4.7 55.2 1.0
OD1 A:ASN68 4.7 29.1 1.0
HD21 A:ASN68 4.7 33.6 1.0
H4' E:DC505 4.7 47.7 1.0
HG3 A:GLU96 4.8 42.3 1.0
CG A:ASN68 4.8 26.6 1.0
CG A:GLU96 4.8 35.2 1.0
HB2 A:ASP70 4.9 45.1 1.0
O4' E:DC505 4.9 37.9 1.0
MG A:MG501 5.0 55.1 1.0

Magnesium binding site 3 out of 7 in 4iem

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Magnesium binding site 3 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg503

b:38.1
occ:1.00
O2 L:DT509 2.1 32.6 1.0
O2 M:DT515 2.3 42.1 1.0
H2 M:DA514 3.1 55.0 1.0
H1' L:DT509 3.3 47.1 1.0
C2 L:DT509 3.3 34.6 1.0
H2 L:DA508 3.4 42.9 1.0
C2 M:DT515 3.4 38.5 1.0
H1' M:DT515 3.8 53.8 1.0
H3 M:DT515 3.9 42.1 1.0
C2 M:DA514 3.9 45.8 1.0
C2 L:DA508 4.0 35.8 1.0
H3 L:DT509 4.1 42.0 1.0
N3 M:DT515 4.1 35.1 1.0
C1' L:DT509 4.2 39.3 1.0
N1 L:DT509 4.2 34.1 1.0
N3 L:DT509 4.3 35.0 1.0
N1 M:DT515 4.5 43.1 1.0
N1 M:DA514 4.5 41.7 1.0
N1 L:DA508 4.5 34.5 1.0
N3 L:DA508 4.6 33.9 1.0
C1' M:DT515 4.6 44.8 1.0
O2 M:DC516 4.7 31.0 1.0
N3 M:DA514 4.7 44.4 1.0
O4' L:DC510 4.7 47.9 1.0
O2 L:DC510 4.7 41.7 1.0
O4' L:DT509 4.8 44.7 1.0
O4' M:DC516 5.0 43.7 1.0
H5' L:DC510 5.0 46.4 1.0

Magnesium binding site 4 out of 7 in 4iem

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Magnesium binding site 4 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 4 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg401

b:61.7
occ:1.00
O I:HOH601 2.1 53.2 1.0
O B:HOH503 2.1 51.4 1.0
OE1 B:GLU96 2.1 54.5 1.0
O3' H:DC505 2.1 53.8 1.0
OP1 I:3DR506 2.4 52.7 1.0
O B:HOH502 2.9 58.1 1.0
CD B:GLU96 3.2 51.0 1.0
C3' H:DC505 3.4 46.8 1.0
H2'' H:DC505 3.5 55.9 1.0
H1' H:DC505 3.6 57.7 1.0
OE2 B:GLU96 3.6 52.0 1.0
HD22 B:ASN68 3.6 60.5 1.0
P I:3DR506 3.6 43.0 1.0
HE2 B:HIS309 3.7 60.0 1.0
OP3 I:3DR506 3.8 44.0 1.0
HH B:TYR171 3.8 58.8 1.0
H3' H:DC505 3.8 56.2 1.0
C2' H:DC505 3.9 46.6 1.0
OD1 B:ASP308 4.1 51.7 1.0
OD2 B:ASP308 4.2 54.9 1.0
C1' H:DC505 4.2 48.1 1.0
HD2 B:HIS309 4.3 58.6 1.0
ND2 B:ASN68 4.3 50.4 1.0
NE2 B:HIS309 4.3 50.0 1.0
OD1 B:ASP70 4.4 68.4 1.0
OD1 B:ASN68 4.4 41.3 1.0
HG3 B:GLU96 4.5 60.0 1.0
CG B:GLU96 4.5 50.0 1.0
C4' H:DC505 4.5 49.2 1.0
HB2 B:ASP70 4.5 66.2 1.0
H4' H:DC505 4.5 59.1 1.0
O5' I:3DR506 4.5 54.7 1.0
CG B:ASP308 4.6 58.8 1.0
OH B:TYR171 4.6 49.0 1.0
CD2 B:HIS309 4.6 48.8 1.0
HA B:ASP70 4.6 56.7 1.0
OP2 I:3DR506 4.7 52.3 1.0
CG B:ASN68 4.7 49.1 1.0
O4' H:DC505 4.7 42.3 1.0
O J:HOH602 4.8 58.9 1.0
H2' H:DC505 4.8 55.9 1.0
CG B:ASP70 4.9 65.8 1.0
HD21 B:ASN68 4.9 60.5 1.0
H5' I:3DR506 5.0 73.9 1.0

Magnesium binding site 5 out of 7 in 4iem

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Magnesium binding site 5 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 5 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Mg401

b:49.3
occ:1.00
O3' K:DC505 1.9 40.3 1.0
O C:HOH602 1.9 35.2 1.0
OP1 L:3DR506 2.1 34.2 1.0
O C:HOH601 2.4 34.7 1.0
O K:HOH701 2.4 46.2 1.0
OE1 C:GLU96 2.5 34.2 1.0
H2'' K:DC505 2.9 46.9 1.0
C3' K:DC505 3.0 38.5 1.0
H1' K:DC505 3.3 49.8 1.0
P L:3DR506 3.3 35.0 1.0
HE2 C:HIS309 3.4 36.1 1.0
C2' K:DC505 3.4 39.1 1.0
H3' K:DC505 3.4 46.3 1.0
OP3 L:3DR506 3.5 25.4 1.0
CD C:GLU96 3.6 41.5 1.0
C1' K:DC505 3.8 41.5 1.0
HD22 C:ASN68 3.9 35.9 1.0
OE2 C:GLU96 3.9 44.2 1.0
O5' L:3DR506 4.0 37.4 1.0
HH C:TYR171 4.0 55.6 1.0
O C:HOH668 4.0 38.1 1.0
NE2 C:HIS309 4.2 30.1 1.0
OD1 C:ASP308 4.2 34.0 1.0
C4' K:DC505 4.2 46.3 1.0
H2' K:DC505 4.3 46.9 1.0
O K:HOH706 4.3 40.4 1.0
H4' K:DC505 4.3 55.5 1.0
MG C:MG402 4.4 48.8 1.0
HD2 C:HIS309 4.4 37.0 1.0
H5'' L:3DR506 4.5 38.8 1.0
O4' K:DC505 4.5 40.4 1.0
OD2 C:ASP308 4.5 30.7 1.0
HE1 C:PHE266 4.5 34.3 1.0
OP2 L:3DR506 4.5 29.4 1.0
ND2 C:ASN68 4.5 29.9 1.0
CD2 C:HIS309 4.7 30.9 1.0
OH C:TYR171 4.7 46.3 1.0
OD1 C:ASP70 4.7 42.1 1.0
CG C:ASP308 4.7 34.5 1.0
O2 K:DC505 4.8 38.8 1.0
OD1 C:ASN68 4.8 30.2 1.0
HE2 C:TYR171 4.8 46.5 1.0
C5' L:3DR506 4.8 32.3 1.0
HG3 C:GLU96 4.9 48.8 1.0
CG C:GLU96 4.9 40.6 1.0

Magnesium binding site 6 out of 7 in 4iem

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Magnesium binding site 6 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 6 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Mg402

b:48.8
occ:1.00
O C:HOH614 2.2 33.5 1.0
O C:HOH668 2.2 38.1 1.0
O2 K:DC505 2.2 38.8 1.0
O K:HOH701 2.3 46.2 1.0
H1' K:DC505 2.9 49.8 1.0
O2 M:DT519 3.1 45.2 1.0
H22 M:DG518 3.1 46.6 1.0
C2 K:DC505 3.4 45.6 1.0
H2 K:DA504 3.4 50.2 1.0
H21 M:DG518 3.4 46.6 1.0
N2 M:DG518 3.5 38.8 1.0
OD1 C:ASP70 3.6 42.1 1.0
O C:HOH602 3.6 35.2 1.0
C1' K:DC505 3.8 41.5 1.0
N1 K:DC505 4.0 47.5 1.0
C2 K:DA504 4.1 41.9 1.0
H1' M:DT519 4.2 45.1 1.0
HZ3 C:LYS98 4.3 54.8 1.0
C2 M:DT519 4.3 43.8 1.0
N3 K:DC505 4.4 48.9 1.0
MG C:MG401 4.4 49.3 1.0
O4' K:DC505 4.4 40.4 1.0
O K:HOH706 4.4 40.4 1.0
HZ2 C:LYS98 4.5 54.8 1.0
OD1 C:ASP308 4.5 34.0 1.0
N3 K:DA504 4.5 36.1 1.0
CG C:ASP70 4.5 51.5 1.0
C2 M:DG518 4.5 47.0 1.0
O3' K:DC505 4.7 40.3 1.0
NZ C:LYS98 4.7 45.7 1.0
H2'' K:DC505 4.8 46.9 1.0
H1 M:DG518 4.8 63.3 1.0
OD2 C:ASP70 4.8 47.8 1.0
H3 M:DT519 4.8 54.4 1.0
HZ1 C:LYS98 4.9 54.8 1.0
C2' K:DC505 4.9 39.1 1.0
O M:HOH601 4.9 43.6 1.0
HE2 C:TYR269 4.9 38.8 1.0
N1 K:DA504 5.0 46.4 1.0
O C:HOH601 5.0 34.7 1.0
HD2 C:TYR269 5.0 36.1 1.0

Magnesium binding site 7 out of 7 in 4iem

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Magnesium binding site 7 out of 7 in the Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 7 of Human Apurinic/Apyrimidinic Endonuclease (APE1) with Product Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Mg401

b:61.6
occ:1.00
O3' N:DC505 1.8 52.0 1.0
O D:HOH502 1.9 47.5 1.0
O N:HOH701 2.3 49.3 1.0
O D:HOH501 2.4 39.6 1.0
OE1 D:GLU96 2.4 46.0 1.0
OP1 O:3DR506 2.4 40.0 1.0
C3' N:DC505 3.1 53.4 1.0
H2'' N:DC505 3.2 59.6 1.0
H1' N:DC505 3.2 64.3 1.0
CD D:GLU96 3.4 50.7 1.0
HE2 D:HIS309 3.5 46.5 1.0
P O:3DR506 3.5 42.9 1.0
C2' N:DC505 3.5 49.6 1.0
OP3 O:3DR506 3.5 40.5 1.0
H3' N:DC505 3.6 64.1 1.0
OE2 D:GLU96 3.7 56.8 1.0
HH D:TYR171 3.8 60.7 1.0
C1' N:DC505 3.8 53.6 1.0
HD22 D:ASN68 3.8 46.1 1.0
OD1 D:ASP308 4.1 46.2 1.0
O D:HOH539 4.1 48.8 1.0
C4' N:DC505 4.1 49.2 1.0
H4' N:DC505 4.2 59.1 1.0
NE2 D:HIS309 4.2 38.8 1.0
O5' O:3DR506 4.3 51.8 1.0
O4' N:DC505 4.4 46.1 1.0
HD2 D:HIS309 4.4 40.3 1.0
H2' N:DC505 4.5 59.6 1.0
ND2 D:ASN68 4.5 38.4 1.0
HE1 D:PHE266 4.6 53.8 1.0
OH D:TYR171 4.6 50.6 1.0
OD2 D:ASP308 4.6 44.3 1.0
OD1 D:ASP70 4.7 58.3 1.0
CD2 D:HIS309 4.7 33.6 1.0
OP2 O:3DR506 4.7 40.7 1.0
CG D:ASP308 4.8 46.6 1.0
H5' O:3DR506 4.8 56.8 1.0
CG D:GLU96 4.8 49.9 1.0
HG3 D:GLU96 4.8 59.9 1.0
O2 N:DC505 4.8 52.6 1.0
OD1 D:ASN68 5.0 35.4 1.0
HE2 D:TYR171 5.0 48.7 1.0

Reference:

S.E.Tsutakawa, D.S.Shin, C.D.Mol, T.Izumi, A.S.Arvai, A.K.Mantha, B.Szczesny, I.N.Ivanov, D.J.Hosfield, B.Maiti, M.E.Pique, K.A.Frankel, K.Hitomi, R.P.Cunningham, S.Mitra, J.A.Tainer. Conserved Structural Chemistry For Incision Activity in Structurally Non-Homologous Apurinic/Apyrimidinic Endonuclease APE1 and Endonuclease IV Dna Repair Enzymes. J.Biol.Chem. V. 288 8445 2013.
ISSN: ISSN 0021-9258
PubMed: 23355472
DOI: 10.1074/JBC.M112.422774
Page generated: Mon Dec 14 18:52:55 2020

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