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

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 1ERJ entry

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

Chain ID	Initial residue	Terminal residue
A	HIS 283	ILE 710
B	HIS 283	ILE 710
C	HIS 283	ILE 710

There are 10 helices in PDB entry 1ERJ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	299	304	Right-handed alpha
Helix 2	2	A	640	642	Right-handed 310
Helix 3	3	B	287	291	Right-handed 310
Helix 4	4	B	299	304	Right-handed alpha
Helix 5	5	B	311	313	Right-handed 310
Helix 6	6	B	640	642	Right-handed 310
Helix 7	7	C	287	291	Right-handed 310
Helix 8	8	C	299	303	Right-handed 310
Helix 9	9	C	311	313	Right-handed 310
Helix 10	10	C	640	642	Right-handed 310

There are 21 sheets in PDB entry 1ERJ. 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, S, T, U,

There are 6 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	315	317	first strand
Strand 2	A	322	325	anti-parallel
Strand 3	A	664	669	anti-parallel
Strand 4	A	653	658	anti-parallel
Strand 5	A	644	649	anti-parallel
Strand 6	A	633	638	anti-parallel

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There are 4 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	333	342	first strand
Strand 2	A	701	709	anti-parallel
Strand 3	A	691	697	anti-parallel
Strand 4	A	675	680	anti-parallel

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There are 4 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	349	352	first strand
Strand 2	A	358	362	anti-parallel
Strand 3	A	367	371	anti-parallel
Strand 4	A	377	381	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	446	451	first strand
Strand 2	A	457	462	anti-parallel
Strand 3	A	467	471	anti-parallel
Strand 4	A	476	481	anti-parallel

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There are 4 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	488	493	first strand
Strand 2	A	499	504	anti-parallel
Strand 3	A	508	513	anti-parallel
Strand 4	A	518	524	anti-parallel

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There are 4 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	529	534	first strand
Strand 2	A	541	546	anti-parallel
Strand 3	A	551	555	anti-parallel
Strand 4	A	561	565	anti-parallel

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There are 4 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	579	584	first strand
Strand 2	A	590	595	anti-parallel
Strand 3	A	599	604	anti-parallel
Strand 4	A	622	627	anti-parallel

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There are 6 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	315	317	first strand
Strand 2	B	322	325	anti-parallel
Strand 3	B	664	669	anti-parallel
Strand 4	B	653	658	anti-parallel
Strand 5	B	644	649	anti-parallel
Strand 6	B	633	638	anti-parallel

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There are 4 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	333	342	first strand
Strand 2	B	701	709	anti-parallel
Strand 3	B	691	697	anti-parallel
Strand 4	B	675	680	anti-parallel

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There are 4 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	349	352	first strand
Strand 2	B	358	362	anti-parallel
Strand 3	B	367	371	anti-parallel
Strand 4	B	377	381	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	446	451	first strand
Strand 2	B	457	462	anti-parallel
Strand 3	B	467	471	anti-parallel
Strand 4	B	476	481	anti-parallel

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There are 4 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	488	493	first strand
Strand 2	B	499	504	anti-parallel
Strand 3	B	508	513	anti-parallel
Strand 4	B	518	524	anti-parallel

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There are 4 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	529	534	first strand
Strand 2	B	541	546	anti-parallel
Strand 3	B	551	555	anti-parallel
Strand 4	B	561	565	anti-parallel

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There are 4 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	579	584	first strand
Strand 2	B	590	595	anti-parallel
Strand 3	B	599	604	anti-parallel
Strand 4	B	622	627	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	315	317	first strand
Strand 2	C	322	325	anti-parallel
Strand 3	C	664	669	anti-parallel
Strand 4	C	653	658	anti-parallel
Strand 5	C	644	649	anti-parallel
Strand 6	C	633	638	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	333	342	first strand
Strand 2	C	701	709	anti-parallel
Strand 3	C	691	697	anti-parallel
Strand 4	C	675	680	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	349	352	first strand
Strand 2	C	358	362	anti-parallel
Strand 3	C	367	371	anti-parallel
Strand 4	C	377	381	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	C	446	451	first strand
Strand 2	C	457	462	anti-parallel
Strand 3	C	467	471	anti-parallel
Strand 4	C	476	481	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	488	493	first strand
Strand 2	C	499	504	anti-parallel
Strand 3	C	508	513	anti-parallel
Strand 4	C	518	524	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	529	534	first strand
Strand 2	C	541	546	anti-parallel
Strand 3	C	551	555	anti-parallel
Strand 4	C	561	565	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	579	584	first strand
Strand 2	C	590	595	anti-parallel
Strand 3	C	599	604	anti-parallel
Strand 4	C	622	627	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: 1ERJ

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