Analysis of interatomic Contacts of Structural Units in PDB entry:
4FFI

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 4FFI entry

There are 4 chains in PDB entry 4FFI (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 41	ALA 520
B	ALA 41	ALA 520
C	ALA 41	GLN 519
D	ALA 41	GLY 518

There are 31 helices in PDB entry 4FFI. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	136	140	Right-handed 310
Helix 2	2	A	166	172	Right-handed alpha
Helix 3	3	A	176	182	Right-handed alpha
Helix 4	4	A	260	264	Right-handed 310
Helix 5	5	A	329	336	Right-handed alpha
Helix 6	6	A	365	369	Right-handed 310
Helix 7	7	A	437	440	Right-handed 310
Helix 8	8	B	136	140	Right-handed 310
Helix 9	9	B	166	172	Right-handed alpha
Helix 10	10	B	174	182	Right-handed alpha
Helix 11	11	B	229	233	Right-handed 310
Helix 12	12	B	260	264	Right-handed 310
Helix 13	13	B	329	336	Right-handed alpha
Helix 14	14	B	365	369	Right-handed 310
Helix 15	15	B	437	440	Right-handed 310
Helix 16	16	C	136	140	Right-handed 310
Helix 17	17	C	166	172	Right-handed alpha
Helix 18	18	C	174	182	Right-handed alpha
Helix 19	19	C	229	233	Right-handed 310
Helix 20	20	C	260	264	Right-handed 310
Helix 21	21	C	329	336	Right-handed alpha
Helix 22	22	C	365	369	Right-handed 310
Helix 23	23	C	437	440	Right-handed 310
Helix 24	24	D	136	140	Right-handed 310
Helix 25	25	D	168	172	Right-handed 310
Helix 26	26	D	174	182	Right-handed alpha
Helix 27	27	D	229	233	Right-handed 310
Helix 28	28	D	260	264	Right-handed 310
Helix 29	29	D	329	336	Right-handed alpha
Helix 30	30	D	365	369	Right-handed 310
Helix 31	31	D	437	440	Right-handed 310

There are 34 sheets in PDB entry 4FFI. 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, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH,

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	93	99	first strand
Strand 2	A	80	86	anti-parallel
Strand 3	A	64	72	anti-parallel
Strand 4	A	50	61	anti-parallel
Strand 5	A	337	338	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	110	115	first strand
Strand 2	A	126	134	anti-parallel
Strand 3	A	142	149	anti-parallel
Strand 4	A	157	158	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	184	192	first strand
Strand 2	A	197	204	anti-parallel
Strand 3	A	207	213	anti-parallel
Strand 4	A	220	221	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	236	244	first strand
Strand 2	A	250	257	anti-parallel
Strand 3	A	269	276	anti-parallel
Strand 4	A	281	283	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	236	244	first strand
Strand 2	A	250	257	anti-parallel
Strand 3	A	269	276	anti-parallel
Strand 4	A	289	290	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	298	304	first strand
Strand 2	A	313	318	anti-parallel
Strand 3	A	345	352	anti-parallel
Strand 4	A	356	363	anti-parallel

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There are 6 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	380	382	first strand
Strand 2	A	507	517	anti-parallel
Strand 3	A	371	376	anti-parallel
Strand 4	D	371	376	anti-parallel
Strand 5	D	507	517	anti-parallel
Strand 6	D	380	382	anti-parallel

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There are 12 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	483	488	first strand
Strand 2	A	473	478	anti-parallel
Strand 3	A	462	470	anti-parallel
Strand 4	A	395	403	anti-parallel
Strand 5	A	507	517	anti-parallel
Strand 6	A	371	376	anti-parallel
Strand 7	D	371	376	anti-parallel
Strand 8	D	507	517	anti-parallel
Strand 9	D	395	403	anti-parallel
Strand 10	D	462	470	anti-parallel
Strand 11	D	473	478	anti-parallel
Strand 12	D	484	488	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	385	387	first strand
Strand 2	A	497	503	anti-parallel
Strand 3	A	408	415	anti-parallel
Strand 4	A	423	428	anti-parallel
Strand 5	A	431	435	anti-parallel
Strand 6	A	451	455	anti-parallel

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There are 5 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	93	99	first strand
Strand 2	B	80	86	anti-parallel
Strand 3	B	64	72	anti-parallel
Strand 4	B	50	61	anti-parallel
Strand 5	B	337	338	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	110	114	first strand
Strand 2	B	127	134	anti-parallel
Strand 3	B	142	149	anti-parallel
Strand 4	B	157	158	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	184	192	first strand
Strand 2	B	197	204	anti-parallel
Strand 3	B	207	213	anti-parallel
Strand 4	B	220	221	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	236	244	first strand
Strand 2	B	250	257	anti-parallel
Strand 3	B	269	276	anti-parallel
Strand 4	B	281	283	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	236	244	first strand
Strand 2	B	250	257	anti-parallel
Strand 3	B	269	276	anti-parallel
Strand 4	B	289	290	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	B	298	304	first strand
Strand 2	B	313	318	anti-parallel
Strand 3	B	345	352	anti-parallel
Strand 4	B	356	363	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	371	377	first strand
Strand 2	B	507	517	anti-parallel
Strand 3	B	380	382	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	B	371	377	first strand
Strand 2	B	507	517	anti-parallel
Strand 3	B	395	403	anti-parallel
Strand 4	B	462	470	anti-parallel
Strand 5	B	473	478	anti-parallel
Strand 6	B	483	488	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	385	387	first strand
Strand 2	B	497	503	anti-parallel
Strand 3	B	408	415	anti-parallel
Strand 4	B	423	428	anti-parallel
Strand 5	B	431	435	anti-parallel
Strand 6	B	451	455	anti-parallel

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There are 5 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	93	99	first strand
Strand 2	C	80	86	anti-parallel
Strand 3	C	64	72	anti-parallel
Strand 4	C	50	61	anti-parallel
Strand 5	C	337	338	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	110	114	first strand
Strand 2	C	127	134	anti-parallel
Strand 3	C	142	149	anti-parallel
Strand 4	C	157	158	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	184	192	first strand
Strand 2	C	197	204	anti-parallel
Strand 3	C	209	213	anti-parallel
Strand 4	C	220	221	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	236	244	first strand
Strand 2	C	250	257	anti-parallel
Strand 3	C	269	276	anti-parallel
Strand 4	C	281	283	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	C	236	244	first strand
Strand 2	C	250	257	anti-parallel
Strand 3	C	269	276	anti-parallel
Strand 4	C	289	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	298	304	first strand
Strand 2	C	313	318	anti-parallel
Strand 3	C	345	352	anti-parallel
Strand 4	C	356	363	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	371	376	first strand
Strand 2	C	507	517	anti-parallel
Strand 3	C	380	382	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	371	376	first strand
Strand 2	C	507	517	anti-parallel
Strand 3	C	395	403	anti-parallel
Strand 4	C	462	470	anti-parallel
Strand 5	C	473	478	anti-parallel
Strand 6	C	484	488	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	385	387	first strand
Strand 2	C	497	503	anti-parallel
Strand 3	C	408	415	anti-parallel
Strand 4	C	423	428	anti-parallel
Strand 5	C	431	435	anti-parallel
Strand 6	C	451	455	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	93	99	first strand
Strand 2	D	80	86	anti-parallel
Strand 3	D	64	72	anti-parallel
Strand 4	D	50	61	anti-parallel
Strand 5	D	337	338	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	110	114	first strand
Strand 2	D	127	134	anti-parallel
Strand 3	D	142	149	anti-parallel
Strand 4	D	156	158	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	184	192	first strand
Strand 2	D	197	204	anti-parallel
Strand 3	D	207	213	anti-parallel
Strand 4	D	220	221	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	236	244	first strand
Strand 2	D	250	257	anti-parallel
Strand 3	D	269	276	anti-parallel
Strand 4	D	281	283	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	236	244	first strand
Strand 2	D	250	257	anti-parallel
Strand 3	D	269	276	anti-parallel
Strand 4	D	289	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	298	304	first strand
Strand 2	D	313	318	anti-parallel
Strand 3	D	345	352	anti-parallel
Strand 4	D	356	363	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	385	391	first strand
Strand 2	D	497	503	anti-parallel
Strand 3	D	408	415	anti-parallel
Strand 4	D	423	428	anti-parallel
Strand 5	D	431	435	anti-parallel
Strand 6	D	451	455	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: 4FFI

Analysis of interatomic Contacts of Structural Units in PDB entry:
4FFI