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5HUQ

A tethered niacin-derived pincer complex with a nickel-carbon bond in lactate racemase

Replaces:  4YNS
Functional Information from GO Data
ChainGOidnamespacecontents
A0016853molecular_functionisomerase activity
A0046872molecular_functionmetal ion binding
A0050043molecular_functionlactate racemase activity
B0016853molecular_functionisomerase activity
B0046872molecular_functionmetal ion binding
B0050043molecular_functionlactate racemase activity
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue 4EY A 501
ChainResidue
ASER71
ALYS184
APRO188
AGLY189
ASO4502
AASP72
ATHR74
AARG75
AALA104
APHE107
AHIS108
ASER180
AGLY181

site_idAC2
Number of Residues5
Detailsbinding site for residue SO4 A 502
ChainResidue
AARG75
AHIS108
AGLN295
ALYS298
A4EY501

site_idAC3
Number of Residues2
Detailsbinding site for residue SO4 A 503
ChainResidue
AHIS108
AARG109

site_idAC4
Number of Residues1
Detailsbinding site for residue SO4 A 504
ChainResidue
AARG109

site_idAC5
Number of Residues1
Detailsbinding site for residue SO4 A 505
ChainResidue
AARG320

site_idAC6
Number of Residues2
Detailsbinding site for residue SO4 A 506
ChainResidue
ALYS10
AARG320

site_idAC7
Number of Residues2
Detailsbinding site for residue SO4 A 507
ChainResidue
AARG11
ATHR12

site_idAC8
Number of Residues2
Detailsbinding site for residue SO4 A 508
ChainResidue
ASER38
AGLU39

site_idAC9
Number of Residues3
Detailsbinding site for residue SO4 A 509
ChainResidue
AGLU203
APRO349
AARG350

site_idAD1
Number of Residues4
Detailsbinding site for residue SO4 A 510
ChainResidue
AGLY407
AGLN408
AALA409
AALA410

site_idAD2
Number of Residues2
Detailsbinding site for residue SO4 A 511
ChainResidue
AARG98
BARG98

site_idAD3
Number of Residues3
Detailsbinding site for residue SO4 A 512
ChainResidue
AMET132
AASP137
BASP137

site_idAD4
Number of Residues4
Detailsbinding site for residue NI B 501
ChainResidue
BPRO188
BHIS200
B4EY502
BSO4503

site_idAD5
Number of Residues8
Detailsbinding site for residue SO4 B 503
ChainResidue
BARG75
BHIS108
BHIS174
BTYR294
BGLN295
BLYS298
BNI501
B4EY502

site_idAD6
Number of Residues5
Detailsbinding site for residue SO4 B 504
ChainResidue
BARG109
BGLN291
BASN292
BASP321
BHIS323

site_idAD7
Number of Residues1
Detailsbinding site for residue SO4 B 505
ChainResidue
BARG320

site_idAD8
Number of Residues2
Detailsbinding site for residue SO4 B 506
ChainResidue
BGLY121
BGLU122

site_idAD9
Number of Residues3
Detailsbinding site for residue SO4 B 507
ChainResidue
BSER38
BGLU39
BLYS246

site_idAE1
Number of Residues1
Detailsbinding site for residue SO4 B 508
ChainResidue
BARG350

site_idAE2
Number of Residues3
Detailsbinding site for residue SO4 B 509
ChainResidue
BGLU203
BPRO349
BARG350

site_idAE3
Number of Residues2
Detailsbinding site for residue SO4 B 510
ChainResidue
BSER207
BPRO208

site_idAE4
Number of Residues1
Detailsbinding site for residue SO4 B 511
ChainResidue
BHIS217

site_idAE5
Number of Residues6
Detailsbinding site for residue SO4 B 512
ChainResidue
BARG211
BVAL423
BLYS424
BALA425
BSER426
BSO4513

site_idAE6
Number of Residues4
Detailsbinding site for residue SO4 B 513
ChainResidue
ALYS143
BLYS424
BTRP427
BSO4512

site_idAE7
Number of Residues2
Detailsbinding site for residue SO4 B 514
ChainResidue
BHIS371
BARG405

site_idAE8
Number of Residues23
Detailsbinding site for Di-peptide 4EY B 502 and LYS B 184
ChainResidue
BPRO188
BGLY189
BHIS200
BTYR294
BNI501
BSO4503
BSER71
BASP72
BTHR74
BARG75
BALA104
BTHR105
BPHE107
BHIS108
BPHE170
BHIS174
BSER180
BGLY181
BGLY182
BARG183
BSER185
BVAL186
BLEU187

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"26138974","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"26138974","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"26138974","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27114550","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"26138974","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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