Analysis of interatomic Contacts of Structural Units in PDB entry:
3DDR

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 3DDR entry

There are 2 chains in PDB entry 3DDR (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 113	PHE 865
B	ASN 113	ARG 639

There are 30 helices in PDB entry 3DDR. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	114	119	Right-handed 310
Helix 2	2	A	129	134	Right-handed alpha
Helix 3	3	A	138	146	Right-handed 310
Helix 4	4	A	232	236	Right-handed 310
Helix 5	5	A	304	313	Right-handed alpha
Helix 6	6	A	474	478	Right-handed 310
Helix 7	7	A	592	598	Right-handed alpha
Helix 8	8	A	741	746	Right-handed alpha
Helix 9	9	A	757	761	Right-handed 310
Helix 10	10	B	114	119	Right-handed 310
Helix 11	11	B	129	134	Right-handed alpha
Helix 12	12	B	138	146	Right-handed 310
Helix 13	13	B	232	236	Right-handed 310
Helix 14	14	B	304	313	Right-handed alpha
Helix 15	15	B	474	478	Right-handed 310
Helix 16	16	B	592	598	Right-handed alpha
Helix 17	17	B	741	747	Right-handed alpha
Helix 18	18	B	757	761	Right-handed 310
Helix 19	19	C	15	27	Right-handed alpha
Helix 20	20	C	123	129	Right-handed 310
Helix 21	21	C	130	140	Right-handed alpha
Helix 22	22	C	144	156	Right-handed alpha
Helix 23	23	C	157	159	Right-handed 310
Helix 24	24	C	165	173	Right-handed alpha
Helix 25	25	D	15	27	Right-handed alpha
Helix 26	26	D	123	129	Right-handed 310
Helix 27	27	D	130	140	Right-handed alpha
Helix 28	28	D	144	156	Right-handed alpha
Helix 29	29	D	157	159	Right-handed 310
Helix 30	30	D	165	173	Right-handed alpha

There are 18 sheets in PDB entry 3DDR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	123	126	first strand
Strand 2	A	203	210	anti-parallel
Strand 3	A	224	230	anti-parallel
Strand 4	A	174	177	parallel
Strand 5	A	180	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	149	150	first strand
Strand 2	A	163	164	anti-parallel

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There are 24 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	547	558	first strand
Strand 2	A	501	525	anti-parallel
Strand 3	A	561	571	anti-parallel
Strand 4	A	578	589	anti-parallel
Strand 5	A	617	631	anti-parallel
Strand 6	A	639	652	anti-parallel
Strand 7	A	682	695	anti-parallel
Strand 8	A	699	709	anti-parallel
Strand 9	A	766	775	anti-parallel
Strand 10	A	780	789	anti-parallel
Strand 11	A	810	819	anti-parallel
Strand 12	A	825	831	anti-parallel
Strand 13	A	857	865	anti-parallel
Strand 14	A	243	252	anti-parallel
Strand 15	A	256	266	anti-parallel
Strand 16	A	271	282	anti-parallel
Strand 17	A	322	335	anti-parallel
Strand 18	A	339	360	anti-parallel
Strand 19	A	369	390	anti-parallel
Strand 20	A	399	415	anti-parallel
Strand 21	A	426	446	anti-parallel
Strand 22	A	451	470	anti-parallel
Strand 23	A	483	497	anti-parallel
Strand 24	A	501	525	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	600	603	first strand
Strand 2	A	606	609	anti-parallel
Strand 3	A	673	678	parallel
Strand 4	A	655	658	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	715	716	first strand
Strand 2	A	749	750	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	725	727	first strand
Strand 2	A	738	740	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	792	793	first strand
Strand 2	A	806	807	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	125	126	first strand
Strand 2	B	203	210	anti-parallel
Strand 3	B	224	230	anti-parallel
Strand 4	B	174	177	parallel
Strand 5	B	180	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	149	150	first strand
Strand 2	B	163	164	anti-parallel

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There are 24 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	547	558	first strand
Strand 2	B	501	525	anti-parallel
Strand 3	B	561	571	anti-parallel
Strand 4	B	578	589	anti-parallel
Strand 5	B	617	631	anti-parallel
Strand 6	B	639	652	anti-parallel
Strand 7	B	682	695	anti-parallel
Strand 8	B	699	709	anti-parallel
Strand 9	B	766	775	anti-parallel
Strand 10	B	780	789	anti-parallel
Strand 11	B	810	819	anti-parallel
Strand 12	B	825	831	anti-parallel
Strand 13	B	857	865	anti-parallel
Strand 14	B	243	252	anti-parallel
Strand 15	B	256	266	anti-parallel
Strand 16	B	271	282	anti-parallel
Strand 17	B	322	335	anti-parallel
Strand 18	B	339	360	anti-parallel
Strand 19	B	369	390	anti-parallel
Strand 20	B	399	415	anti-parallel
Strand 21	B	426	446	anti-parallel
Strand 22	B	451	470	anti-parallel
Strand 23	B	483	497	anti-parallel
Strand 24	B	501	525	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	600	603	first strand
Strand 2	B	606	609	anti-parallel
Strand 3	B	673	678	parallel
Strand 4	B	655	658	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	715	716	first strand
Strand 2	B	749	750	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	725	727	first strand
Strand 2	B	738	740	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	792	793	first strand
Strand 2	B	806	807	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	4	7	first strand
Strand 2	C	110	116	anti-parallel
Strand 3	C	85	96	anti-parallel
Strand 4	C	65	75	anti-parallel
Strand 5	C	51	58	anti-parallel
Strand 6	C	45	46	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	4	7	first strand
Strand 2	C	110	116	anti-parallel
Strand 3	C	85	96	anti-parallel
Strand 4	C	120	122	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	4	7	first strand
Strand 2	D	110	116	anti-parallel
Strand 3	D	85	96	anti-parallel
Strand 4	D	65	75	anti-parallel
Strand 5	D	51	58	anti-parallel
Strand 6	D	45	46	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	4	7	first strand
Strand 2	D	110	116	anti-parallel
Strand 3	D	85	96	anti-parallel
Strand 4	D	120	122	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: 3DDR

Analysis of interatomic Contacts of Structural Units in PDB entry:
3DDR