Analysis of interatomic Contacts of Structural Units in PDB entry:
3I38

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 3I38 entry

There are 12 chains in PDB entry 3I38 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	HIS 200	TRP 302
B	HIS 200	TRP 302
C	PRO 201	TRP 302
D	HIS 200	TRP 302
E	PRO 201	TRP 302
F	HIS 200	TRP 302
G	HIS 200	TRP 302
H	LEU 202	TRP 302
I	PRO 201	TRP 302
J	HIS 200	TRP 302
K	ALA 0	TRP 302
L	PRO 201	TRP 302

There are 25 helices in PDB entry 3I38. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	217	224	Right-handed alpha
Helix 2	2	A	279	293	Right-handed alpha
Helix 3	3	B	217	224	Right-handed alpha
Helix 4	4	B	279	293	Right-handed alpha
Helix 5	5	C	217	224	Right-handed alpha
Helix 6	6	C	279	293	Right-handed alpha
Helix 7	7	D	217	224	Right-handed alpha
Helix 8	8	D	279	293	Right-handed alpha
Helix 9	9	E	217	224	Right-handed alpha
Helix 10	10	E	279	293	Right-handed alpha
Helix 11	11	F	217	224	Right-handed alpha
Helix 12	12	F	279	293	Right-handed alpha
Helix 13	13	F	297	302	Right-handed 310
Helix 14	14	G	217	224	Right-handed alpha
Helix 15	15	G	279	293	Right-handed alpha
Helix 16	16	H	217	224	Right-handed alpha
Helix 17	17	H	279	293	Right-handed alpha
Helix 18	18	I	217	224	Right-handed alpha
Helix 19	19	I	279	293	Right-handed alpha
Helix 20	20	J	217	224	Right-handed alpha
Helix 21	21	J	279	293	Right-handed alpha
Helix 22	22	K	217	224	Right-handed alpha
Helix 23	23	K	279	293	Right-handed alpha
Helix 24	24	L	217	224	Right-handed alpha
Helix 25	25	L	279	293	Right-handed alpha

There are 24 sheets in PDB entry 3I38. 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, V, W, X,

There are 4 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	204	206	first strand
Strand 2	A	209	216	anti-parallel
Strand 3	A	266	272	parallel
Strand 4	A	249	252	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	225	229	first strand
Strand 2	A	236	240	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	B	204	206	first strand
Strand 2	B	209	216	anti-parallel
Strand 3	B	266	272	parallel
Strand 4	B	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	225	229	first strand
Strand 2	B	236	240	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	C	204	206	first strand
Strand 2	C	209	216	anti-parallel
Strand 3	C	266	272	parallel
Strand 4	C	249	252	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	C	225	229	first strand
Strand 2	C	236	240	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	D	204	206	first strand
Strand 2	D	209	216	anti-parallel
Strand 3	D	266	272	parallel
Strand 4	D	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	225	229	first strand
Strand 2	D	236	240	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	E	204	206	first strand
Strand 2	E	209	216	anti-parallel
Strand 3	E	266	272	parallel
Strand 4	E	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	225	229	first strand
Strand 2	E	236	240	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	F	204	206	first strand
Strand 2	F	209	216	anti-parallel
Strand 3	F	266	272	parallel
Strand 4	F	249	252	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	F	225	229	first strand
Strand 2	F	236	240	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	G	204	206	first strand
Strand 2	G	209	216	anti-parallel
Strand 3	G	266	272	parallel
Strand 4	G	249	252	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	G	225	229	first strand
Strand 2	G	236	240	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	204	206	first strand
Strand 2	H	209	216	anti-parallel
Strand 3	H	266	272	parallel
Strand 4	H	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	225	229	first strand
Strand 2	H	236	240	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	I	204	206	first strand
Strand 2	I	209	216	anti-parallel
Strand 3	I	266	272	parallel
Strand 4	I	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	225	229	first strand
Strand 2	I	236	240	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	J	204	206	first strand
Strand 2	J	209	216	anti-parallel
Strand 3	J	266	272	parallel
Strand 4	J	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	225	229	first strand
Strand 2	J	236	240	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	K	204	206	first strand
Strand 2	K	209	216	anti-parallel
Strand 3	K	266	272	parallel
Strand 4	K	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	225	229	first strand
Strand 2	K	236	240	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	204	206	first strand
Strand 2	L	209	216	anti-parallel
Strand 3	L	266	272	parallel
Strand 4	L	249	252	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	225	229	first strand
Strand 2	L	236	240	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: 3I38

Analysis of interatomic Contacts of Structural Units in PDB entry:
3I38