Analysis of interatomic Contacts of Structural Units in PDB entry:
1ATN

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 1ATN entry

There are 3 chains in PDB entry 1ATN (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASP 1	GLU 72
A	GLY 74	ARG 372
D	LEU 1	THR 260

There are 31 helices in PDB entry 1ATN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	A01	A	56	60	Right-handed alpha
Helix 2	H1A	A	62	64	Right-handed 310
Helix 3	A02	A	79	91	Right-handed alpha
Helix 4	H2A	A	98	100	Right-handed 310
Helix 5	A03	A	113	126	Right-handed alpha
Helix 6	A04	A	137	144	Right-handed alpha
Helix 7	H3A	A	172	174	Right-handed 310
Helix 8	A05	A	182	194	Right-handed alpha
Helix 9	A06	A	203	216	Right-handed alpha
Helix 10	A07	A	224	232	Right-handed alpha
Helix 11	A08	A	253	262	Right-handed alpha
Helix 12	H4A	A	264	267	Right-handed 310
Helix 13	A09	A	274	282	Right-handed alpha
Helix 14	A10	A	290	294	Right-handed alpha
Helix 15	H5A	A	302	305	Right-handed 310
Helix 16	A11	A	309	318	Right-handed alpha
Helix 17	H6A	A	333	337	Right-handed 310
Helix 18	A12	A	338	348	Right-handed alpha
Helix 19	H7A	A	350	355	Right-handed 310
Helix 20	A13	A	359	365	Right-handed alpha
Helix 21	A14	A	368	371	Right-handed alpha
Helix 22	D1	D	13	17	Right-handed alpha
Helix 23	D2	D	19	29	Right-handed alpha
Helix 24	D3	D	46	55	Right-handed alpha
Helix 25	H1D	D	137	139	Right-handed 310
Helix 26	D4	D	140	158	Right-handed alpha
Helix 27	H2D	D	178	183	Right-handed 310
Helix 28	D5	D	185	188	Right-handed alpha
Helix 29	D6	D	219	224	Right-handed alpha
Helix 30	D7	D	235	238	Right-handed alpha
Helix 31	D8	D	243	249	Right-handed alpha

There are 10 sheets in PDB entry 1ATN. Click on sheet of interest to get list of strands forming it: A1, A2, A3, A4A, A4B, A5, D1A, D1B, D2A, D2B,

There are 6 strands in A1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	29	32	first strand
Strand 2	A	16	21	anti-parallel
Strand 3	A	8	12	anti-parallel
Strand 4	A	103	107	parallel
Strand 5	A	131	136	parallel
Strand 6	A	357	358	anti-parallel

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There are 3 strands in A2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	53	54	first strand
Strand 2	A	35	38	anti-parallel
Strand 3	A	65	68	anti-parallel

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There are 2 strands in A3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	71	72	first strand
Strand 2	A	75	76	anti-parallel

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There are 5 strands in A4A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	176	178	first strand
Strand 2	A	160	166	anti-parallel
Strand 3	A	150	155	anti-parallel
Strand 4	A	297	300	parallel
Strand 5	A	329	330	parallel

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There are 5 strands in A4B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	169	170	first strand
Strand 2	A	160	166	anti-parallel
Strand 3	A	150	155	anti-parallel
Strand 4	A	297	300	parallel
Strand 5	A	329	330	parallel

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There are 2 strands in A5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	238	241	first strand
Strand 2	A	247	250	anti-parallel

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There are 7 strands in D1A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	42	44	first strand
Strand 2	D	64	67	parallel
Strand 3	D	81	84	anti-parallel
Strand 4	D	34	38	anti-parallel
Strand 5	D	2	7	parallel
Strand 6	D	255	258	anti-parallel
Strand 7	D	231	232	anti-parallel

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There are 4 strands in D1B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	71	71	first strand
Strand 2	D	78	79	anti-parallel
Strand 3	D	40	41	anti-parallel
Strand 4	D	11	11	parallel

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There are 6 strands in D2A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	89	91	first strand
Strand 2	D	114	120	anti-parallel
Strand 3	D	127	134	anti-parallel
Strand 4	D	163	168	parallel
Strand 5	D	212	217	anti-parallel
Strand 6	D	193	194	anti-parallel

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There are 6 strands in D2B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	93	96	first strand
Strand 2	D	114	120	anti-parallel
Strand 3	D	127	134	anti-parallel
Strand 4	D	163	168	parallel
Strand 5	D	212	217	anti-parallel
Strand 6	D	193	194	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 1ATN

Analysis of interatomic Contacts of Structural Units in PDB entry:
1ATN