Interaction between Poly [ADP-ribose] polymerase 1 (4dqy_A) and Poly [ADP-ribose] polymerase 1 (4dqy_C)

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: 256.30 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	41.5	44.9 %
2	41	61	S	7.5	53.8 %
3	42	62	P	33.5	26.4 %
4	43	63	M	55.6	33.7 %
5	44	64	F	31.5	25.4 %
6	45	65	D	86.6	79.1 %

No.	Residue no. in structure	Residue no. in sequence	Residue name	Buried ASA, Å²	Buried ASA, %
1	566	50	T	17.5	52.9 %
2	567	51	N	6.7	70.6 %
3	568	52	S	18.5	60.2 %
4	589	73	W	29.9	31.2 %
5	590	74	G	11.1	82.1 %
6	591	75	R	34.4	75.7 %
7	595	79	V	4.5	2.9 %
8	596	80	I	58.7	75.1 %
9	597	81	G	29.6	63.7 %
10	598	82	S	26.8	44.1 %
11	746	230	M	18.7	15.6 %

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	4.0
2	40	60	Q	596	80	I	18.8
3	40	60	Q	746	230	M	18.7
4	41	61	S	596	80	I	7.5
5	42	62	P	595	79	V	4.5
6	42	62	P	596	80	I	17.2
7	42	62	P	597	81	G	11.9	H-bond
8	43	63	M	589	73	W	15.1	H-bond
9	43	63	M	597	81	G	13.7
10	43	63	M	598	82	S	26.8
11	44	64	F	589	73	W	14.8
12	44	64	F	590	74	G	3.5
13	44	64	F	596	80	I	9.3
14	44	64	F	597	81	G	3.9
15	45	65	D	566	50	T	17.5
16	45	65	D	567	51	N	6.7	H-bond
17	45	65	D	568	52	S	18.5	H-bond
18	45	65	D	590	74	G	7.6
19	45	65	D	591	75	R	30.4	H-bond, Salt bridge
20	45	65	D	596	80	I	5.9