Interaction between Poly [ADP-ribose] polymerase 1 (4dqy_D) and Poly [ADP-ribose] polymerase 1 (4dqy_F)

PDB and SCOP data

Title: Structure of Human PARP-1 bound to a DNA double strand break

Release date: 2012-05-30

Resolution: 3.2 Å

Buried interface area: 255.36 Å²

Number of inter-residue contacts at the interface: 20

Number of H-bonds: 5

Number of salt bridges: 1

Pairwise interaction

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Biological assembly

Heteromer, 3 proteins, 1 nucleic acid.

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No.	Residue no. in structure	Residue no. in sequence	Residue name	Buried ASA, Å²	Buried ASA, %
1	40	60	Q	40.8	43.4 %
2	41	61	S	7.3	53.6 %
3	42	62	P	33.6	26.4 %
4	43	63	M	56.2	34.1 %
5	44	64	F	30.5	24.6 %
6	45	65	D	87.0	79.4 %

No.	Residue no. in structure	Residue no. in sequence	Residue name	Buried ASA, Å²	Buried ASA, %
1	566	50	T	18.3	54.2 %
2	567	51	N	6.8	69.9 %
3	568	52	S	17.6	56.0 %
4	589	73	W	30.4	31.6 %
5	590	74	G	11.0	81.3 %
6	591	75	R	35.1	74.0 %
7	595	79	V	4.4	2.9 %
8	596	80	I	59.8	75.2 %
9	597	81	G	29.5	63.7 %
10	598	82	S	26.5	43.2 %
11	746	230	M	16.2	13.5 %

No.	Residue no. in chain A structure	Residue no. in chain A sequence	Residue in chain A	Residue no. in chain B structure	Residue no. in chain B sequence	Residue in chain B	Contact area, Å²	Contact type
1	40	60	Q	591	75	R	4.2
2	40	60	Q	596	80	I	20.5
3	40	60	Q	746	230	M	16.2
4	41	61	S	596	80	I	7.3
5	42	62	P	595	79	V	4.4
6	42	62	P	596	80	I	16.8
7	42	62	P	597	81	G	12.4	H-bond
8	43	63	M	589	73	W	16.4	H-bond
9	43	63	M	597	81	G	13.4
10	43	63	M	598	82	S	26.5
11	44	64	F	589	73	W	14.1
12	44	64	F	590	74	G	3.6
13	44	64	F	596	80	I	9.0
14	44	64	F	597	81	G	3.7
15	45	65	D	566	50	T	18.3
16	45	65	D	567	51	N	6.8	H-bond
17	45	65	D	568	52	S	17.6	H-bond
18	45	65	D	590	74	G	7.3
19	45	65	D	591	75	R	30.9	H-bond, Salt bridge
20	45	65	D	596	80	I	6.2